Question 1 5 pts Given the cash flow diagram below, evaluate the value of \"A\" if the \"F\"
value is $24.000 for an interest rate of 7%. ?? 4A
Solution
Future Value of investents: Year Investment Future Value of Investment of 1 Future
Value of Investment a b c=1.07^(5-a) d=b*c 1 A 1.3108
1.3108 A 2 2A 1.2250 2.4501 A 3 3A 1.1449
3.4347 A 4 4A 1.0700 4.2800 A
11.4756 A Now, As per question, 11.4756 A = $
24,000 or, A = $ 2,091.40 Thus, Value of A $ 2,091.40.
ABSTRACT WEIGHT Contains an INTRODUCTORY statement (2-3 Sent.docxransayo
ABSTRACT WEIGHT
Contains an INTRODUCTORY statement (2-3 Sentences) A B C D F /2
States the purpose of the experiment accurately
Clearly links chemical relationships to observing chemical change
Defines single and double displacement reactions,
explains evidence of chemical change, and use of stoichiometry
A B C D F /3
A B C D F /2
A B C D F /3
Explains how results were evaluated (compare observations with
solubility tables, knowledge of gas forming rxns, qualitative analysis)
A B C D F /2
/20
REACTION SHEET WEIGHT
Accurately describes fundamental steps or lessons learned that are
essential to conducting the experiment (equipment used, major
procedural steps, big picture reasons for doing what you did, any
important information you learned from conducting the experiment )
* Excludes non-essential details that can be assumed to be known
A B C D F /10
A B C D F /10
Comments:
/20
Name:______________________ WINTER 2017
Lab Abstract Rubric – CH 204
Experiment #6 – OBSERVING AND WRITING CHEMICAL REACTIONS Total Points to Date and %:_____ /2
Contains a description of the METHODS used (2-3 Sentences)
Accurately explains significance of observations and/or results of
the experiment, interprets all important tends and data
comparisons, connects experimental work to theories and/or
principles that explain the work. Relate back to the introductory
statement and your specific results/observations.
A B C D F /2Contains a CONCLUDING statement (3-5 Sentences)
Contains a description of the most interesting RESULTS/
OBSERVATIONS (3-4 Sentences)
/3A B C D F
A B C D F /3
Comments:
Contains each (8-10) balanced reactions with correct physical states,
proper chemical formulas, and accurate stoichiometry:
NaCl (aq) + AgNO3 (aq) → AgCl (s) + NaNO3 (aq)
Contains, in sentence form, the description of the reaction:
Aqueous sodium chloride reacted with aqueous silver nitrate to
form solid silver chloride and aqueous sodium nitrate.
LABORATORY NOTEBOOK WEIGHT
Includes carbon copy of completed & on-time pre-lab A B C D F /2
Includes a complete record of properly constructed lab notes
which include the date, data, calculations, notes to self, ect. A B C D F /3
Demonstrates legible and comprehensible organization of
observations and data
A B C D F /3
Comments:
/8
Abdullah Alfifi
CH 204
7/11/2016
Experiment 6: Observing Chemical Reactions/Writing Chemical Equations
Introduction
Chemical reactions occur when atoms of same or different elements exchange electrons to form new products. The exchange of electrons or atoms is usually invisible and can be seen in form or chemical changes. The changes represents evidence of a chemical reaction. Such cha.
Which of the following statements about financial intermediaries is .pdffathimafancyjeweller
Which of the following is true of a natural monopoly? Oa. If regulated, the firm will be allowed
to charge a price higher than its average cost. b. If regulated, the firm will haye a lower level of
output than if it was unregulated. Oc. If regulated, the firm will have a higher level of output than
if it was unregulated. Oc. If regulated, the firm will eam economic profit in the long run. De. If
regulated, the firm will experience diseconomies of scale.
Solution
Answer :- Option b). If regulated, the firm will have a lower level of output than if it was
unregulated.
Conclusion :- Option b)..
More Related Content
Similar to Question 1. Dscribe the change you observed when you added 1 mL of 0.pdf
ABSTRACT WEIGHT Contains an INTRODUCTORY statement (2-3 Sent.docxransayo
ABSTRACT WEIGHT
Contains an INTRODUCTORY statement (2-3 Sentences) A B C D F /2
States the purpose of the experiment accurately
Clearly links chemical relationships to observing chemical change
Defines single and double displacement reactions,
explains evidence of chemical change, and use of stoichiometry
A B C D F /3
A B C D F /2
A B C D F /3
Explains how results were evaluated (compare observations with
solubility tables, knowledge of gas forming rxns, qualitative analysis)
A B C D F /2
/20
REACTION SHEET WEIGHT
Accurately describes fundamental steps or lessons learned that are
essential to conducting the experiment (equipment used, major
procedural steps, big picture reasons for doing what you did, any
important information you learned from conducting the experiment )
* Excludes non-essential details that can be assumed to be known
A B C D F /10
A B C D F /10
Comments:
/20
Name:______________________ WINTER 2017
Lab Abstract Rubric – CH 204
Experiment #6 – OBSERVING AND WRITING CHEMICAL REACTIONS Total Points to Date and %:_____ /2
Contains a description of the METHODS used (2-3 Sentences)
Accurately explains significance of observations and/or results of
the experiment, interprets all important tends and data
comparisons, connects experimental work to theories and/or
principles that explain the work. Relate back to the introductory
statement and your specific results/observations.
A B C D F /2Contains a CONCLUDING statement (3-5 Sentences)
Contains a description of the most interesting RESULTS/
OBSERVATIONS (3-4 Sentences)
/3A B C D F
A B C D F /3
Comments:
Contains each (8-10) balanced reactions with correct physical states,
proper chemical formulas, and accurate stoichiometry:
NaCl (aq) + AgNO3 (aq) → AgCl (s) + NaNO3 (aq)
Contains, in sentence form, the description of the reaction:
Aqueous sodium chloride reacted with aqueous silver nitrate to
form solid silver chloride and aqueous sodium nitrate.
LABORATORY NOTEBOOK WEIGHT
Includes carbon copy of completed & on-time pre-lab A B C D F /2
Includes a complete record of properly constructed lab notes
which include the date, data, calculations, notes to self, ect. A B C D F /3
Demonstrates legible and comprehensible organization of
observations and data
A B C D F /3
Comments:
/8
Abdullah Alfifi
CH 204
7/11/2016
Experiment 6: Observing Chemical Reactions/Writing Chemical Equations
Introduction
Chemical reactions occur when atoms of same or different elements exchange electrons to form new products. The exchange of electrons or atoms is usually invisible and can be seen in form or chemical changes. The changes represents evidence of a chemical reaction. Such cha.
Which of the following statements about financial intermediaries is .pdffathimafancyjeweller
Which of the following is true of a natural monopoly? Oa. If regulated, the firm will be allowed
to charge a price higher than its average cost. b. If regulated, the firm will haye a lower level of
output than if it was unregulated. Oc. If regulated, the firm will have a higher level of output than
if it was unregulated. Oc. If regulated, the firm will eam economic profit in the long run. De. If
regulated, the firm will experience diseconomies of scale.
Solution
Answer :- Option b). If regulated, the firm will have a lower level of output than if it was
unregulated.
Conclusion :- Option b)..
Why must each network router interface belong to a different network.pdffathimafancyjeweller
Why is 89 and 93 (-infinity, infinity) and not [7/4,infinity) and [-7,infinity)?
Solution
89. k(x) = (4x -7)1/3 The function k(x) takes all the values on the real number line as x takes
various values on the real number line. Both the domain and the range of the function k(x) are R,
the set of all real numbers, or in interval notation, (- , ). When x = 7/4, k(x) = 0 and when x <
7/4, k(x) is negative. A negative real number can have a third root. For example, the 3rd root of -
1 is -1 as (-1)3 = -1. Also, if n is a positive number, then (-n)1/3 = (- 1*n)1/3 = -1(n)1/3 which
is real number. Hence the domain of k(x) is (- , ) and not [7/4, ).
93. F(x) = (x+7)1/3. The function F(x) takes all the values on the real number line as x takes
various values on the real number line. Both the domain and the range of the function k(x) are R,
the set of all real numbers, or in interval notation, (- , ). When x = -7, F(x) = 0 and when x < -7,
F(x) is negative. A negative real number can have a third root. For example, the 3rd root of -1 is
-1 as (-1)3 = -1. Also, if n is a positive number, then (-n)1/3 = (- 1*n)1/3 = -1(n)1/3 which is
real number. Hence the domain of F(x) is(- , ) and not [-7, )..
What are the similarities and differences between the seppuku of the.pdffathimafancyjeweller
What are the consequences of stakeholder ethics with regards to organizational goals and
productivity
Solution
stakeholders are the people who contributes their services to the firm, they includes; customers,
employees, owners/promoters, media, society, government, suppliers and competitors.
if an organization is considering all the requirements of stakeholders as a whole, it means that it
is doing good. here it should treat all the stakeholders equally, and should not works for one
community or one kind of people to the organization. if the organization works to protect the
rights and requirements of all stakeholders, it means that they are doing good.
the ultimate goal of any organization is wealth maximization, in that process it has to satisfy all
its stakeholders. if not, they never reach the goal. so, in my words, if an organization is fulfilling
all its stakeholders requirements, there are no chances to violate ethics..
Which of the following are considered withdrawals from an economy.pdffathimafancyjeweller
When using the enzyme coupled reaction for the glucose assay, it is important that the
absorbance value determined @415nm has a direct correlation to the amount of glucose in the
solution.
Glucose + O2 + H2O ----->Glucose Acid + H2O2
H2O2 + ABTS(reduced) [colourless] ------> ABTS+(oxidized) [blue]
After reviewing the glucose oxidase/peroxidase-coupled reaction above discuss the following.....
a, How would your unknown glucose result be affected if by some chance the enzyme, catalase,
was a cintaminant in your unknown glucose example? Explain ur reasoning.
b, How would your unknown glucose result be affected if by some chance Vitamin C, was a
cintaminant in your unknown glucose example? Explain ur reasoning.
Thank you!
Solution
a) Catalase is an antioxidant that makes the hydrogen peroxide less toxic by converting it into
water and oxygen gas. Absence of free hydrogen peroxide to oxidise the ABTS would not give
the blue color.
b) Vitamin C also serves as antioxidant by reducing the hydrogen peroxide. Therefore, no blue
color of the oxidised ABTS would be produced.
Hence, in both cases, presence of glucose would be masked by antioxidant activities of the
catalase and vitamin C..
What measures have the EU (or member nations) taken to mitigate the .pdffathimafancyjeweller
What is the weighted average cost of capital for a corporation that finances an expansion project
using 35% retained earnings and the rest as debt capital? Assume the interest rates are 11% for
equity financing and 23% for debt financing. The weighted average cost of capital is 5785 0 %.
Solution
WACC = cost of equity x equity percentage + cost of debt x debt percentage
WACC = 23% x(1 - 35%) + 11% x 35% = 18.8%.
What types of powers are given to the states by the Constitution.pdffathimafancyjeweller
What measures have the EU (or member nations) taken to mitigate the current economic
problems? What is your economic outlook for the EU nations (you may address the EU as a
whole or choose a specific member nation)?
Solution
In last few years,The EU financial and economic policies have been moulded under the
supervision and ratification of the member states to combat the series of economic challenges
that the region has confronted consistently.In this context,we can divide these recent challenges
according to the events that occured in recent past and discuss some of the economic remmedies
that had implemented by the member states either conjointly or separately.Evidently,the
challenges that the EU had faced recently majorly include Brexit issue,Financial Crisis that
culminated in 2008 and sustained,immigration issues and refugee crisis,capital/financial market
crisis and foreign and security policies and the recent policies implemented by the region against
these and potential crisis in the future will be discussed in further details.
Brexit Issue
Considering the apprehension of an impending economic collapse due to UK\'s exit from the
EU,there has been much emphasis on resistive policy mechanism from the part of the
administration.It had been apprehended that as Britain has traditionally been a strong economic
force of EU with considerably high contribution of overall GDP in EU,source of high export
revenue for EU as a whole,major source employment to the EU region,attracting significant
foreign investment due to the existence of so many top shot MNCs in Britain and its rapid GDP
growth also contributed notably to the growth and progress of the entire EU
region.Thus,expectedly,the apprehension became stronger that Brexit would lead to massive
economic collapse in EU region through decline in overall GDP nad GDP growth rate,lower
employment rate,restrictions on free flow of capital in the region,undersirable international trade
impacts,reduction in foreign capital and financial investment in the region and so forth.
However,the impact of Brexit has been clearly evident in UK with high inflation rate,decrease in
consumer spending and slow production and output in the country,some of the intial resistive
fiscal and monetary policies adopted by EU could resist the some of the expected
damages.Favorable monetary and labor market policies have restricted the extent of
macroeconomic crisis within the EU nations due to Brexit.In this regard,certain expansionary
monetary and fiscal relief meausers undertaken have been able to restore the production level
and consumer spending or at least ensure improvement amidst the economic threats of
brexit.Furthermore,low oil prices and consistent weaker Euro have safeguarded many EU nations
against the negative trade impacts of Brexit where other member nations are able to continue
high levels of trade volumes with the rest of the world.However,further challenges do lie in
strenghtening certain bilateral or reg.
Using the balanced equations given below, determine the overall mola.pdffathimafancyjeweller
Using DOM manipulation to remove the Image link on a Bing.com search engine.
I am using firebug on Firefox. I did a search and now I need to DOM manipulate to remove the
Image link on the page. In the firebug code the Image is a link:
Images
If i use the document.
how can I remove the href link in the page?
Solution
To remove the image link using dom explorer we have to use the following code:
Images
\"retun flase is necessary as it will not allow the href to go anywhere except that page..
True or false Income statement profit and loss statement shows com.pdffathimafancyjeweller
Today’s world seems to be moving beyond sovereignty and toward supranational leadership to
cooperate on issues of global importance. What are some of these issues? How might they be
solved through supranational cooperation? Does such cooperation impede the sovereignty of
independent nations? Please sure to include specific examples in supporting your points.
Solution
Answer:
The essential issues that are being experienced all inclusive incorporate battle against
psychological warfare, control of expansion, cultivating advancement, guaranteeing strength in
nations that don\'t have stable government. The sovereign obligation emergency and the euro
emergency have incited heads of state and government in Europe to uplift and heighten
supranational collaboration. Through supranational cooperation on matters to do with
intelligence the security agents among nations are equipped to able to share and providing
combined forces for peace keeping mission.
Control inflation by ensuring stability in the country currency and good trading relationships. For
development the nation is able to support investors from outside for its growth. Such
participation does not block national sway on the grounds that the administrations can help each
other in reinforcing their authority for example instance of United States and Russia on issues to
do with the utilization of atomic weapons in this way they have made assertion for peace
keeping..
Thomas Rinks and Joseph Shields developed Psycho Chihuahua, a carica.pdffathimafancyjeweller
This Question: 2 pts 21 of 55 (0 complete) ? | > | This Test: 150 pts pos Which of the following
statements is true of process costing? O A. It assigns manufacturing overhead costs to products
only in the last production process. O B. It tracks and assigns both period costs and product costs
to units produced. O C. It accumulates product costs by production departments. O D. It uses one
Work-in-Process Inventory account.
Solution
Process costing accumulates product costs by production departments. Option C is correct.
The government uses part of payroll taxes to pay for Social Security..pdffathimafancyjeweller
The future value at 4.75% interest, compounded continously for 6 Years, of the countinous
income steam with the rate of flow f(t)=1,350e^0.02t, is $8,857. Compute interest earnerd.
The future value at 4.75% interest, compounded continously for 6 Years, of the countinous
income steam with the rate of flow f(t)=1,350e^0.02t, is $8,857. Compute interest earnerd.
Solution
Answer : Given, Time (t) = 6 years;
Rate of interest (r) = 4.75%
Future value = $8857
Continuous income = 1350e^0.02t
= 1350 (2.7183)^0.02×6 ; where e is the mathematical constant and the value of e is 2.7183
(approximately).
= 1350 (2.7183)^0.12 = 1350 × 1.1274 = $1521.99
Therefore, earned interest amount is ( 8875 - 1521.99 ) = $7335.01.
The financial statements are prepared from the unadjusted trial balan.pdffathimafancyjeweller
The expression Quadruple Play refers to the commercial bundle of voice, video, and data plus
mobility. Answer the four parts below about Quadruple Play; each worth 10 points.
Part 1: What are some examples of trends for commercial video communications as they relate
to Quadruple Play?
Part 2: What are some examples of how commercial VoIP can benefit a company?
Part 3: What are some examples of how Quadruple Play will affect commercial users of data?
Part 4: How will commercial customers benefit from the relationship between Quadruple Play
and unified messaging service?
Solution.
Should the US conform to international standardsSolutionYes, .pdffathimafancyjeweller
Shell-and-tube heat exchangers with hundreds of tubes housed in a shell are commonly used in
practice for heat transfer between two fluids. Such a heat exchanger used in an active solar hot-
water system transfers heat from a water-antifreeze solution flowing through the shell and the
solar collector to fresh water flowing through the tubes at an average temperature of 60 degree C
at a rate of 15 L/s. The heat exchanger contains 80 brass tubes 1 cm in inner diameter and 1.5 m
in length. The roughness of brass tubing is epsilon 1.5 times 10^-6 m. Determine the pressure
drop across a single tube. Calculate the pumping power required by the tube-side fluid of the
heat exchanger. After operating for a long time. 1-mm-thick scale builds up on the inner
surfaces with an equivalent roughness of 0.4 mm. For the same pumping power input determine
the percent reduction in the flow rate of water through the tubes.
Solution
solution:
1)here for calculating pressure loss is given by
dP=f(L/D)*density*V^2/2
Q=15/80=.1875 l/s or 1.875*10^-4 m3/s
D=.01 m
L=1.5 m
e=1.5*106-6 m
velocity is given by
V=Q*4/pi*D^2=2.3873 m/s
Re=VD/kinematic viscosity=23873.241
here for terbulent flow friction factor is given by
f=1.325/{ln[e/3.7D+5.74/Re^.9]}^2
so we get
f=.02510
here pressure drop is given as
dP=f(L/D)*density*V^2/2
dP=10728.74 N/m2
where pumping power is
W=Q*dP/1000=2.011*10^-3 kw
3)when scale are deposited then flow velocity is given by
reduced diameter=d1=.01-.002=8*10^-3 m
velocity=1.875*10^-4*4/pi*d1=3.7301 m/s
reynolds number is
Re1=29840.8
friction factor is for e1=4*10^-4 m
f1=.07284
pressure drop=dP1=95016.55 N/m2
for same power flow rate is
W=Q1*dP1/1000
Q1=2.1164*10^-5 m3/s
hence percent reduction in flow rate is for single tube
%reduction=(Q-Q1/Q)*100=88.75%.
Research and describe a tool that can be used to test for web server.pdffathimafancyjeweller
Requirement 1. Describe the difference between period costs and product costs. Period costs are
operating costs that are expensed in the accounting period in which they are incurred. Product
costs are all costs of a product that GAAS requires companies to treat as an asset for extemal
financial reporting. These costs are recorded as an asset (inventory) on the balance sheet until the
asset is sold. The cost is then transferred to an expense accountCost of Goods Manufactured on
the income statement. is subtracted from Sales Revenue to determine gross proft. The operating
costs are then On the income statement, Cost of Goods Sold subtracted to determine operating
income. Requirement 2. Classify Lawlor\'s costs as period costs or product costs. If the costs are
product costs, further classify as direct materials, direct labor, or Shaft and handle of weed
trimmer Motor of weed trimmer Factory labor for workers assembling weed trimmers Nylon
thread used by the weed trimmer (not traced to the product) Glue to hold housing together Plant
janitorial wages Depreciation on factory equipment Rent on plant Sales commissions
Administrative salaries Plant utilities Shipping costs to deliver finished weed trimmers to
customers Direct materials Direct materials Direct labor Manufacturing overhead Manufacturing
overhead Manufacturing overhead Manufacturing overhead Manufacturing overhead Period
costs Period costs Manufacturing overhead Period costs
Solution
Requirement 1
Period Costs are operating costs that are expensed in the accounting period in which they are
incurred.
Product Costs are all the cost of a product that GAAP requires companies to treat as an asset for
external financial reporting. These costs are recorded as an asset (inventory) on the balance sheet
until the asset is sold. The cost is then transferred to an expense account (Cost of Goods Sold) on
the income statement. Product costs include direct materials, direct labour, and manufacturing
overhead.
On the income statement, Cost of Goods Sold ( product Cost ) is subtracted from Sales Revenue
to determine gross profit. The period costs are then subtracted from gross profit to determine
operating income.
Requirement 2
Direct Materials
Direct Materials
Direct labour
Manufacturing Overhead
Manufacturing Overhead
Manufacturing Overhead
Manufacturing Overhead
Manufacturing Overhead
Period Cost
Period Cost
Manufacturing Overhead
Period Cost.
Question 11 of 24 In E. coli, three structural Deand enzymes A. D, an.pdffathimafancyjeweller
Question 1. Dscribe the change you observed when you added 1 mL of 0.1 M KSCN to the 2 mL
portion of the diluted solution. Copy the equation from the procedure and explain your
observations in terms of LeChatelier’s Principle. Choose the best answer.
The additional thiocyantate ion shifted the equilibrium toward the products, producing
morehexathiocyanatoferrate(III) lightening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
The additional thiocyantate ion shifted the equilibrium toward the reactants, producing
lesshexathiocyanatoferrate(III) and deepening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
The additional thiocyantate ion shifted the equilibrium toward the reactants, producing
morehexathiocyanatoferrate(III) lightening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
The additional thiocyantate ion shifted the equilibrium toward the products, producing
morehexathiocyanatoferrate(III) and deepening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
Question 2. Show your calculations to determine the final volume of the 0.001 M FeCl3 solution.
Choose the best answer.
M1V1 = M2V2.
(0.001 M)V1=(0.1 M)(0.05 L)
V1=0.050 L = 50 mL
M1V1 = M2V2.
(0.001 M)V1=(0.1 M)(0.005 L)
V1=0.500 L = 500 mL
M1V1 = M2V2.
(0.1 M)(0.005 L)=(0.001 M)V2
V2=0.500 L = 500 mL
M1V1 = M2V2.
(0.1 M)(0.0005 L)=(0.001 M)V2
V2=0.050 L = 50 mL
Question 3. Describe the change you observed when you added 1 mL of 0.1 M FeCl3 to the
diluted mixture of 0.001 M FeCl3(aq) and 0.1 M KSCN(aq). Refer to the equation in step 1 and
explain your observations in terms of LeChatelier’s Principle. Choose the best answer.
Additional iron(III) ion shifted the equilibrium toward the products to form the red-colored
hexathiocyanatoferrate(III) complex and the intensity of color increased.color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
Additional iron(III) ion shifted the equilibrium toward the products to form the red-colored
hexathiocyanatoferrate(III) chloride precipitate.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)6Cl3(s).
Additional iron(III) ion caused the equilibrium to shift to the reactants to compensate for the
additional added iron(III), which increased the intensity of the red color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
Additional iron(III) ion increased the concentration of the red-colored iron(III) ion.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
Question 4. Predict and then describe what happened when you added HCl(aq) to the copper
nitrate solution. Write down the equation for the reaction. Choose the best answer.
The added hydrogen ion shifted the equilibrium toward the products so that more CuCl42-(aq)
was createdand the solution changed from blue to green.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(aq) + 4H2O(l).
The added chloride ion shifted the equilibrium toward the products so that more CuCl42-(aq)
was created and the solution changed from blue to green.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(aq) + 4H2O(l).
The added chloride ion caused the precipitation of CuCl42-(s), which shifted the equilibrium
toward t.
Prove that a group of order 255 is a cyclic.SolutionLet G be a .pdffathimafancyjeweller
Project #8 requires you to find an escape path from a given starting point in a maze. The maze
(or swamp or mine field etc.) is a square 2D array of int. A value of zero in any cell represents a
wall (land mine or quicksand etc.) while a value of one represents a possible step to take. Each
input file will have a line at the top of the file that has the square dimension of the matrix
followed by the drop in point. The drop in point is the row/col pair indicating where you are
dropped into the swamp. You escape the swamp by taking one step at a time to any adjacent
square that is a 1. You are not allowed to step on a zero cell. You must somehow remember
which squares you have already stepped on in a path so that you don\'t get into an infinite loop.
The five input files you are given have cycles and dead ends and valid paths to the edge of the
swamp.
The starter file that you are given has two methods already written for you. The first given
method loads the grid values and generates the 2D int array to hold the 1s and 0s. The second
method echo\'s out the swamp to the screen before calling the method that you must fill in -
which will print all the escape paths.
Do not modify main any more than needed.
Do not modify the given methods that load or print the grid.
You are just to write and call the method(s) that print all escape paths.
the only output you are to write is one line per escape path and it must be in the exact format as
my sample output. If there are no escape paths then your code prints out no additional output.
Your escape path lines may be in a different order than mine but the row,col values must match
exactly in matching lines.
Your program must find and print ALL the escape paths. Lines may be in any order though.
Do not print any other output of any kind other than what my solution demo does.
DO NOT PRINT \"DEAD END\" OR *ANY* OUTPUT IF THERE ARE NO PATHS OUT.
JUST PRINT NOTHING!
input file:
output should look like:
Solution
input0.txt
10 2 3
0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 1 0 1 0
0 0 0 1 0 1 0 1 0 0
0 0 0 1 0 1 1 0 0 0
0 0 1 0 1 0 0 1 0 0
0 1 0 0 1 1 1 1 0 0
0 0 1 0 1 0 1 0 1 0
0 0 0 1 0 1 0 1 0 0
0 0 1 0 1 0 1 0 1 0
0 0 0 0 0 0 0 0 0 0
Project2.java
import java.io.*;
import java.util.*;
public class Project2
{
public static void main(String[] args) throws Exception
{
int[] dropInPt = new int[2]; // row and col will be on the 2nd line of input file;
int[][] swamp = loadSwamp( args[0], dropInPt );
int row=dropInPt[0], col = dropInPt[1];
printSwamp( \"\ SWAMP: dropped in at: [\"+row+\",\"+col+\"]\ \",swamp );
System.out.println(\"\ ESCAPE PATHS:\ \");
// YOUR CODE HERE. DECLARE WHATEVER OBJECTS AND VARIABLES
NEEDED
// CALL YOUR METHOD(s) TO PRINT ALL ESCAPE PATHS
printPath(swamp, dropInPt);
} // END MAIN
// ###################################################
// DO NOT MODIFY THIS METHOD
// ----------------------------------------------------------------
private static void printSwamp(String label, int[][] swamp )
{
System.o.
Choose one field such as academia, health, consulting, business, man.pdffathimafancyjeweller
Choose one field such as academia, health, consulting, business, management, and so on and
discuss the importance of followership in that field.
Solution
A follower can be a personality kind, as a foothold in a very hierarchy, as a role, or as a
collection of traits and behaviors. Studies of followership have created numerous theories
together with an attribute, activity attributes, role, and constructionist theories additionally to
exploring myths or misunderstandings concerning followership.
---Effective followership coaching within the school room is difficult due to media messages that
preference leadership, internal schemas command by students that ignore followership, and
cultural biases against it. undergrad and graduate students are proof against the thought of
followership and followership have been taken as leadership poorly enacted or as subsiding for a
lesser position. In recent years, attitudes have begun to change the students have noted that
following is an expected, healthy a part of a reciprocal relationship in social media which it
failed to carry negative connotations.
Although a student’s contribution within the schoolroom has such high significance, the school
admissions system has nevertheless to seek out the way to acknowledge and reward students who
have ceaselessly created these contributions. on condition that outstanding schoolroom
contributions are neglected, nevertheless play such an important role, it\'s the responsibility of
the school admissions system to seek out the way to spot them.
---In hospitals and tourism, being a good follower is vital for achieving the service-oriented goals
of the many operations.In hospital operations, it\'s typically necessary for followers to figure
severally of their leaders to holdout necessary tasks. it\'s been steered that incorporating
followership into coaching and education in intentional, purposeful ways in which may assist
operations in hospital and tourism.
---Followership, as outlined by Hurwitz (2008), is “accepting or enabling [italics original] the
goal accomplishment of one’s leader”. within the context of franchising, the franchise may well
be seen as an admirer as a result of he or she accepts the franchisor’s business plan and allows
the franchisor’s goal accomplishment through the individual franchise operations. Leaders will
begin by building structure price for followers and followership price could be a method of
incorporating the construct of followership into the organization’s culture, policies, and practices
as a result of leaders have followers it\'s their responsibility to line a vision, build trust, and
encourage the followers with passion and hope.
---The Followership Learning Community (FLC) could be a learning community inside the
International Leadership Organization (ILA) and is “dedicated to the event of information,
competencies, and programs regarding the leader-follower relationship. it\'s the primary such
educational or applies community dedi.
An intercalating agent 1. Inserts between base pairs of the two str.pdffathimafancyjeweller
An intercalating agent: 1. Inserts between base pairs of the two strands of DNA 2. Makes double-
stranded lesions in the DNA 3. Inserts between adjacent base pairs on a single strand of DNA 4.
Commonly causes transversion mutations 5. Makes single-stranded lesions in the DNA
Solution
Chelating agent involves the formation or presence of two or more separate coordinate bonds
between a polydentate (multiple bonded) ligand and a single central atom. Usually these ligands
are organic compounds, and are called chelants, chelators, chelating agents, or sequestering
agents..
a trait is considered discrete when 1-The traits are intermediat.pdffathimafancyjeweller
a trait is considered: discrete when:
1-The traits are intermediate between the recessive and dominant cases
2- the traits are obviously either there or not there [what I guess the answer is]
3- the traits are variable in the population
4- the traits are a result of multiple genes.
when the allele of a trait is incompletely dominant:
1- the dominant trait masks the recessive trait
2- the recessive trait masks the dominant trait
3- the heterozygous individial is the same as the dominant.
4- the heterozygous individual is intermediate between the recessive and the dominant
5- the heterozygous individual expresses both traits.
Solution
A trait is considered discrete when the traits are either there or not there, eg Albinism, cystic
fibrosis, Huntingtons disease, -option 2.
Incomplete dominance is a form of intermediate inheritance where one allele for a specific trait
is not completely expressed over its paired allele. This results in a third phenotype in which the
expressed physical trait is a combination of the phenotypes of both the alleles. Option 4-the
heterozygous individual is intermediate between the recessive and the dominant.
Please show your input and output screenshot of matlab. Show all wor.pdffathimafancyjeweller
Please review my code (java)
Someone helped me with it but i cannot get it to compile i tried to separate the code that didnt
work.
package ch02.stacks;
import java.lang.Iterable;
import java.util.*;
import java.lang.*;
import java.io.*;
public class ArrayBoundedStack implements StackInterface
public class StackUnderflowException extends RuntimeException
class StackUnderflowException extends RuntimeException
{
public StackUnderflowException()
{
super();
}
public StackUnderflowException(String message)
{
super(message);
}
}
class StackOverflowException extends RuntimeException
{
public StackOverflowException()
{
super();
}
public StackOverflowException(String message)
{
super(message);
}
}
class ArrayBoundedStack implements StackInterface
{
protected final int DEFCAP = 100; // default capacity
protected T[] elements; // holds stack elements
protected int topIndex = -1; // index of top element in stack
public ArrayBoundedStack()
{
elements = (T[]) new Object[DEFCAP];
}
public ArrayBoundedStack(int maxSize)
{
elements = (T[]) new Object[maxSize];
}
public void push(T element)
// Throws StackOverflowException if this stack is full,
// otherwise places element at the top of this stack.
{
if (isFull())
throw new StackOverflowException(\"Push attempted on a full stack.\");
else
{
topIndex++;
elements[topIndex] = element;
}
}
public void pop()
// Throws StackUnderflowException if this stack is empty,
// otherwise removes top element from this stack.
{
if (isEmpty())
throw new StackUnderflowException(\"Pop attempted on an empty stack.\");
else
{
elements[topIndex] = null;
topIndex--;
}
}
public T top()
// Throws StackUnderflowException if this stack is empty,
// otherwise returns top element of this stack.
{
T topOfStack = null;
if (isEmpty())
throw new StackUnderflowException(\"Top attempted on an empty stack.\");
else
topOfStack = elements[topIndex];
return topOfStack;
}
public boolean isEmpty()
// Returns true if this stack is empty, otherwise returns false.
{
return (topIndex == -1);
}
public boolean isFull()
// Returns true if this stack is full, otherwise returns false.
{
return (topIndex == (elements.length - 1));
}
public String toString()
{
String ans=new String();
int counter=topIndex;
while(counter>=0)
{
ans=ans+elements[topIndex].toString()+\"--\";
counter--;
}
}
public int size()
{
return topIndex+1;
}
public void popSome(int count)
{
if(size()0)
{
elements[topIndex] = null;
topIndex--;
count--;
}
}
public boolean swapStart()
{
if(size()<2)
return false;
T topOfStack = null;
topOfStack=elements[topIndex];
elements[topIndex]=elements[topIndex-1];
elements[topIndex-1]=topOfStack;
return true;
}
public T poptop()
{
if(topIndex==-1)
throw new StackUnderflowException(\"Top attempted on an empty stack.\");
else
{
T t=null;
t=elements[topIndex--];
return t;
}
}
}
public class ArrayBounded
{
public static void main(String args[])
{
Stack s=new ArrayBoundedStack();
s.push(10);
s.push(20);
s.push(30);
System.out.println(s.toString());
System.out.pr.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...Levi Shapiro
Letter from the Congress of the United States regarding Anti-Semitism sent June 3rd to MIT President Sally Kornbluth, MIT Corp Chair, Mark Gorenberg
Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
This Congress will not stand idly by and allow an environment hostile to Jewish students to persist. The House believes that your institution is in violation of Title VI of the Civil Rights Act, and the inability or
unwillingness to rectify this violation through action requires accountability.
Postsecondary education is a unique opportunity for students to learn and have their ideas and beliefs challenged. However, universities receiving hundreds of millions of federal funds annually have denied
students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
Acetabularia Information For Class 9 .docxvaibhavrinwa19
Acetabularia acetabulum is a single-celled green alga that in its vegetative state is morphologically differentiated into a basal rhizoid and an axially elongated stalk, which bears whorls of branching hairs. The single diploid nucleus resides in the rhizoid.
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
Honest Reviews of Tim Han LMA Course Program.pptxtimhan337
Personal development courses are widely available today, with each one promising life-changing outcomes. Tim Han’s Life Mastery Achievers (LMA) Course has drawn a lot of interest. In addition to offering my frank assessment of Success Insider’s LMA Course, this piece examines the course’s effects via a variety of Tim Han LMA course reviews and Success Insider comments.
Question 1. Dscribe the change you observed when you added 1 mL of 0.pdf
1. Question 1. Dscribe the change you observed when you added 1 mL of 0.1 M KSCN to the 2 mL
portion of the diluted solution. Copy the equation from the procedure and explain your
observations in terms of LeChatelier’s Principle. Choose the best answer.
The additional thiocyantate ion shifted the equilibrium toward the products, producing
morehexathiocyanatoferrate(III) lightening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
The additional thiocyantate ion shifted the equilibrium toward the reactants, producing
lesshexathiocyanatoferrate(III) and deepening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
The additional thiocyantate ion shifted the equilibrium toward the reactants, producing
morehexathiocyanatoferrate(III) lightening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
The additional thiocyantate ion shifted the equilibrium toward the products, producing
morehexathiocyanatoferrate(III) and deepening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
Question 2. Show your calculations to determine the final volume of the 0.001 M FeCl3 solution.
Choose the best answer.
M1V1 = M2V2.
(0.001 M)V1=(0.1 M)(0.05 L)
V1=0.050 L = 50 mL
M1V1 = M2V2.
(0.001 M)V1=(0.1 M)(0.005 L)
V1=0.500 L = 500 mL
M1V1 = M2V2.
(0.1 M)(0.005 L)=(0.001 M)V2
V2=0.500 L = 500 mL
M1V1 = M2V2.
(0.1 M)(0.0005 L)=(0.001 M)V2
V2=0.050 L = 50 mL
Question 3. Describe the change you observed when you added 1 mL of 0.1 M FeCl3 to the
diluted mixture of 0.001 M FeCl3(aq) and 0.1 M KSCN(aq). Refer to the equation in step 1 and
explain your observations in terms of LeChatelier’s Principle. Choose the best answer.
Additional iron(III) ion shifted the equilibrium toward the products to form the red-colored
hexathiocyanatoferrate(III) complex and the intensity of color increased.color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
2. Additional iron(III) ion shifted the equilibrium toward the products to form the red-colored
hexathiocyanatoferrate(III) chloride precipitate.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)6Cl3(s).
Additional iron(III) ion caused the equilibrium to shift to the reactants to compensate for the
additional added iron(III), which increased the intensity of the red color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
Additional iron(III) ion increased the concentration of the red-colored iron(III) ion.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
Question 4. Predict and then describe what happened when you added HCl(aq) to the copper
nitrate solution. Write down the equation for the reaction. Choose the best answer.
The added hydrogen ion shifted the equilibrium toward the products so that more CuCl42-(aq)
was createdand the solution changed from blue to green.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(aq) + 4H2O(l).
The added chloride ion shifted the equilibrium toward the products so that more CuCl42-(aq)
was created and the solution changed from blue to green.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(aq) + 4H2O(l).
The added chloride ion caused the precipitation of CuCl42-(s), which shifted the equilibrium
toward the products and the solution changed from blue to green.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(s) + 4H2O(l).
The added hydrogen ion caused the precipitation of CuCl42-(s), which shifted the equilibrium
toward the products and the solution changed from blue to green.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(s) + 4H2O(l).
Question 5. Describe the change, and explain what occurred when you added the water (in terms
of LeChatelier’s Principle). Choose the best answer.
The added water increased the volume and diluted the concentration of all the dissolved ions,
which caused the reaction to shift toward the reactants.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(aq) + H2O(l).
The added water increased the volume and diluted the concentration of all the dissolved ions,
which caused the reaction to shift toward the products.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(aq) + H2O(l).
Adding water increased the water concentration, which caused the reaction to shift toward the
products.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(aq) + H2O(l).
Adding water increased the water concentration, which caused the reaction to shift toward the
reactants.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(aq) + H2O(l).
3. Question 6. Describe the change, copy the equation, and explain what occurred when you added
the sulfuric acid to the potassium chromate solution. Choose the best answer.
The additional hydronium ions caused a shift toward the reactant side, decreasing the
concentration of the dichromate ion and turning the solution to an orange color.
2CrO42-(aq) + 2H3O+(aq) Cr2O72-(aq) + 3H2O(l).
The additional hydronium ions caused a shift toward the product side, increasing the
concentration of the dichromate ion and turning the solution to an orange color.
2CrO42-(aq) + 2H3O+(aq) Cr2O72-(aq) + 3H2O(l).
The additional hydronium ions caused a shift toward the product side, decreasing the
concentration of the dichromate ion and turning the solution to an orange color.
2CrO42-(aq) + 2H3O+(aq) Cr2O72-(aq) + 3H2O(l).
The additional hydronium ions caused a shift toward the reactant side, increasing the
concentration of the dichromate ion and turning the solution to an orange color.
2CrO42-(aq) + 2H3O+(aq) Cr2O72-(aq) + 3H2O(l).
Question 7. Describe the observed change when you added sodium hydroxide to the solution?
Neither Na+ nor OH- ions appear in the chromate-dichromate equilibrium. Why, then, did the
equilibrium shift? Choose the best answer.
The solution changed to orange. The added hydroxide ions caused the change.
The solution changed to yellow. The added sodium ions caused the change.
The solution changed to orange. The added sodium ions caused the change.
The solution changed to yellow. The added hydroxide ions caused the change.
There was no change since neither the Na+(aq) ion nor the OH-(aq) ion appears in the chromate-
dichromate equilibrium.
Question 8. Explain the color changes in terms of Le Chatelier’s principle. Choose the best
answer.
Additional hydroxide ion reacts with the hydronium ion (creating water). The additional water on
the product side caused the equilibrium to shift to the reactants.
The added hydroxide ions decreased the hydronium ion concentration, which shifted the reaction
toward the products.
The added hydroxide ions decreased the hydronium ion concentration, which shifted the reaction
toward the reactants.
There was no shift in the equilibrium since neither the Na+(aq) ion nor the OH-(aq) ion appears
in the chromate-dichromate equilibrium.
Additional hydroxide ion reacts with the hydronium ion (creating water). The additional water on
the product side caused the equilibrium to shift to the products.
Question 9. Describe what you observed when concentrated hyrochloric acid was added to
4. saturated sodium chloride? Write the equation for the equilibrium, and explain what you
observed in terms of LeChatelier’s Principle. Choose the best answer.
Excess chloride ion from the hydrochloric acid shifted the reaction toward reactants, and the
precipitate NaCl was formed (see equation).
NaCl(s) Na+(aq) + Cl-(aq)
Excess hydrogen ion from the hydrochloric acid increased the acidity of the solution and the
precipitate NaCl was formed (see equation).
NaCl(s) Na+(aq) + Cl-(aq)
Excess hydrogen ion from the hydrochloric acid increased the acidity of the solution and the
precipitate NaCl dissolved (see equation).
NaCl(s) Na+(aq) + Cl-(aq)
Excess hydrogen ion from the hydrochloric acid shifted the reaction toward reactants, and the
precipitate HCl was formed (see equation).
HCl(s) H+(aq) + Cl-(aq)
Excess chloride ion from the hydrochloric acid shifted the reaction toward reactants, and the
precipitate NaCl dissolved (see equation).
NaCl(s) Na+(aq) + Cl-(aq)
Excess hydrogen ion from the hydrochloric acid shifted the reaction toward reactants, and the
precipitate HCl dissolved (see equation).
HCl(s) H+(aq) + Cl-(aq)
Question 10. Describe the effect water had on the mixture. Explain the change properly in terms
of the LeChatelier principle. Choose the best answer.
Additonal water increased the volume and reduced the concentrations of sodium ion and chloride
ions, which shifted the reaction toward reactants.
Additional water caused the sodium chloride precipitate to fall to the bottom of the test tube.
Additonal water increased the volume and reduced the concentrations of sodium and chloride
ions, which shifted the reaction toward products.
Additional water caused an increase in the amount of NaCl(s) in solution, which shifted the
equilibrium to the right, dissolving the solid sodium chloride.
Question 11. The equilibrium equation shows that SbCl3 reacts with water to form insoluble
SbOCl. Why does the solution of antimony(III) chloride have no visible precipitate in it? Choose
the best answer.
There is very little H+(aq) present.
The SbCl3(aq) and HCl(aq) have not yet been added together, so no SbOCl(s) has been created.
A substantial amount of HCl(aq) already exists in the solution, so the equilibrium has shifted
completely to the reactants and all of the SbOCl(s) has dissolved.
5. The solid SbOCl is present in such a small concentration that it is not visible.
Question 12. Describe what happened when you added water to the solution. Copy the equation,
and explain your observation. Choose the best answer.
The addition of water increases the volume and dilutes all dissolved ions. The reaction shifts to
the side with the greatest moles of solute and solid SbOCl is formed.
SbCl3(aq) + H2O(l) SbOCl(s) + 2 HCl(aq).
The addition of water increases the volume and dilutes all dissolved ions. The reaction shifts to
the side with the greatest moles of solute and solid SbOCl is consumed.
SbCl3(aq) + H2O(l) SbOCl(s) + 2 HCl(aq).
The addition of water increases the volume and dilutes all dissolved ions. The reaction shifts to
the side with the fewest moles of solute and solid SbOCl is formed.
SbCl3(aq) + H2O(l) SbOCl(s) + 2 HCl(aq).
The addition of water increases the volume and dilutes all dissolved ions. The reaction shifts to
the side with the fewest moles of solute and solid SbOCl is consumed.
SbCl3(aq) + H2O(l) SbOCl(s) + 2 HCl(aq).
Question 13. Describe what effect the concentrated hydrochloric acid had? Why? Choose the
best answer.
Adding HCl shifts the equilibrium toward the reactants, which causes solid SbOCl to dissolve.
Adding HCl shifts the equilibrium toward the products, which causes solid SbOCl to form.
Adding HCl increases the concentration of water (a reactant), which causes solid SbOCl to
dissolve.
Adding HCl increases the concentration of water (a reactant), which causes solid SbOCl to form.
Question 14. Write the net-ionic equation for the reaction you observed between barium chloride
and potassium chromate. Indicate the states of all reactants and products. Choose the best
answer.
Ba2+(aq) + CrO42-(aq) BaCrO4(s).
Ba2+(aq) + CrO4-(aq) Ba(CrO4)2(s).
BaCl2(aq) + K2CrO4(aq) BaCrO4(s) + K2Cl2(aq).
BaCl2(aq) + K2CrO4(aq) BaCrO4(s) + 2KCl(aq).
Question 15. Describe what happened when HCl(aq) was added? Record both changes that you
observed. To explain these observations, first tell what effect the addition of HCl(aq) had on the
chromate-dichromate equilibrium (see Step 6). Then explain how that equilibrium shift in turn
affected the barium chromate equilibrium (see Step 14). Write both equations again here as part
of your explanation. Choose the best answer.
Ba2+(aq) + CrO42-(aq) BaCrO4(s).
2CrO42- + 2H3O+ Cr2O72- + 3H2O(l).
6. Adding HCl shifted the second reaction to the right decreasing the chromate concentration. This
in turn, caused the first equation to shift to the right and the solid barium chromate to form.
Ba2+(aq) + CrO42-(aq) BaCrO4(s).
2CrO42- + 2H3O+ Cr2O72- + 3H2O(l).
Adding HCl shifted the second reaction to the left increasing the chromate concentration. This in
turn, caused the first equation to shift to the right and the solid barium chromate to form.
Ba2+(aq) + CrO42-(aq) BaCrO4(s).
2CrO42- + 2H3O+ Cr2O72- + 3H2O(l).
Adding HCl shifted the second reaction to the right decreasing the chromate concentration. This
in turn, caused the first equation to shift to the left and the solid barium chromate to dissolve.
Ba2+(aq) + CrO42-(aq) BaCrO4(s).
2CrO42- + 2H3O+ Cr2O72- + 3H2O(l).
Adding HCl shifted the second reaction to the left increasing the chromate concentration. This in
turn, caused the first equation to shift to the left and the solid barium chromate to dissolve.
Application of Principles. Question 1. The silver ion, Ag+, forms the colorless diamminesilver(I)
complex ion, Ag(NH3)2+, that is soluble, when it is in an ammonia solution. If ammonia is
added to a solution that contains a AgCl precipitate, the solid dissolves completely. Write a net-
ionic equation for the equilibrium involved. Choose the best answer.
AgCl(s) + NH3(aq) Ag(NH3)2+(aq) + Cl-(aq).
Ag+(aq) + 2NH3(aq) Ag(NH3)2+(aq).
AgCl(s) + 2NH3(aq) Ag(NH3)2+(aq).
AgCl(s) + 2NH3(aq) Ag(NH3)2+(aq) + Cl-(aq).
Application of Principles. Question 2. When concentrated H2SO4 (18M) is added to a saturated
solution of sodium sulfate, a white precipitate is formed. Write a net-ionic equation for the
equilibrium in saturated sodium sulfate, and explain the change in terms of Le Chatelier’s
principle. Choose the best answer.
2Na+(aq) + SO42-(aq) + 2H+(aq) + SO42+(aq) Na2SO4(s).
Excess SO42-(aq) (beyond saturation) from the sulfuric acid causes the reaction to shift to the
right and solid sodium sulfate to form.
2Na+(aq) + SO42-(aq) +H2SO4(aq) Na2SO4(s).
Excess SO42-(aq) (beyond saturation) from the sulfuric acid causes the reaction to shift to the
left and solid sodium sulfate to dissolve.
2Na+(aq) + SO42-(aq) Na2SO4(s).
Excess SO42- (beyond saturation) from the sulfuric acid causes the reaction to shift to the right
and solid sodium sulfate to form.
Na+(aq) + SO4-(aq) NaSO4(s).
7. Excess SO42-(aq) (beyond saturation) from the sulfuric acid causes the reaction to shift to the
left and solid sodium sulfate to dissolve.
Na+(aq) + SO4-(aq) NaSO4(s).
Excess SO42- (beyond saturation) from the sulfuric acid causes the reaction to shift to the right
and solid sodium sulfate to form.
2Na+(aq) + SO42-(aq) +H2SO4(aq) Na2SO4(s).
Excess SO42- (beyond saturation) from the sulfuric acid causes the reaction to shift to the right
and solid sodium sulfate to form.
2Na+(aq) + SO42-(aq) Na2SO4(s).
Excess SO42-(aq) (beyond saturation) from the sulfuric acid causes the reaction to shift to the
left and solid sodium sulfate to dissolve.
2Na+(aq) + SO42-(aq) + 2H+(aq) + SO42+(aq) Na2SO4(s).
Excess SO42-(aq) (beyond saturation) from the sulfuric acid causes the reaction to shift to the
left and solid sodium sulfate to dissolve.
Application of Principles. Question 3. A solution contains the blood-red
hexathiocyanatoferrate(III) complex ion, Fe(SCN)63-, in equilibrium with the iron(III) ion,
Fe3+, and six thiocyanate ions, SCN-. If the solution is diluted with water, will the color deepen,
fade, or stay the same? Why? In addition to predicting whether the solution will deepen, fade, or
stay the same, give TWO reasons for that prediction. One of those reasons will involve Le
Chatelier’s Principle, and one will not. (At least that will be the case if you make the right
prediction!) Choose the best answer.
The color of the solution will fade. 1) The volume will increase, diluting the concentrations of all
ions, and the reaction will shift toward the side with hexathiocyanatoferrate(III) complex ions. 2)
The color will also fade because of dilution.
The color of the solution will deepen. 1) The volume will increase, diluting the concentrations of
all ions, and the reaction will shift toward the side with hexathiocyanatoferrate(III) complex ions.
2) The color will also fade because of dilution.
The color of the solution will deepen. 1) The volume will increase, diluting the concentrations of
all ions, and the reaction will shift toward the side with iron(III) and thiocyante ions. 2) The
color will also fade because of dilution.
The color of the solution will fade. 1) The volume will increase, diluting the concentrations of all
ions, and the reaction will shift toward the side with iron(III) and thiocyante ions. 2) The color
will also fade because of dilution.
The color will stay the same. 1) The reactions does not shift to either side. 2) The concentration
of the hexathiocyanatoferrate(II) complex ion does not change.
F*ck BYUI. Heres the answers to the chem 106 lab abouth le Chatelier's Principle. Hope you
8. find it helpful
The additional thiocyantate ion shifted the equilibrium toward the products, producing
morehexathiocyanatoferrate(III) lightening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
The additional thiocyantate ion shifted the equilibrium toward the reactants, producing
lesshexathiocyanatoferrate(III) and deepening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
The additional thiocyantate ion shifted the equilibrium toward the reactants, producing
morehexathiocyanatoferrate(III) lightening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
The additional thiocyantate ion shifted the equilibrium toward the products, producing
morehexathiocyanatoferrate(III) and deepening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
Solution
Le Chatelier's principle: Any change in one of the variable ( temperature, pressure,
volume,composition, inert gas) that determine the state of the system in equilibrium causes a
shift in the position of the equilibrium in a direction that tends to counteract the change in the
variables under consideration.
1.ans-The additional thiocyantate ion shifted the equilibrium toward the products,
producingmorehexathiocyanatoferrate(III) and deepening the color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
2. ans-M1V1 = M2V2.
(0.1 M)(0.0005 L)=(0.001 M)V2
V2=0.050 L = 50 mL
3. ans-Additional iron(III) ion shifted the equilibrium toward the products to form the red-
colored hexathiocyanatoferrate(III) complex and the intensity of color increased.color.
Fe3+(aq) + 6SCN-(aq) Fe(SCN)63-(aq).
4. ans-The added chloride ion shifted the equilibrium toward the products so that more CuCl42-
(aq) was created and the solution changed from blue to green.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(aq) + 4H2O(l).
5. ans-The added water increased the volume and diluted the concentration of all the dissolved
ions, which caused the reaction to shift toward the reactants.
Cu(H2O)42+(aq) + 4Cl-(aq) CuCl42-(aq) + H2O(l).
9. 6. ans-The additional hydronium ions caused a shift toward the product side, increasing the
concentration of the dichromate ion and turning the solution to an orange color.
2CrO42-(aq) + 2H3O+(aq) Cr2O72-(aq) + 3H2O(l).
7. ans-The solution changed to yellow. The added hydroxide ions caused the change.
8.ans-The added hydroxide ions decreased the hydronium ion concentration, which shifted the
reaction toward the reactants.
9. ans-Excess chloride ion from the hydrochloric acid shifted the reaction toward reactants, and
the precipitate NaCl was formed (see equation).
NaCl(s) Na+(aq) + Cl-(aq)
10. ans-Additonal water increased the volume and reduced the concentrations of sodium and
chloride ions, which shifted the reaction toward products.
11. ans-A substantial amount of HCl(aq) already exists in the solution, so the equilibrium has
shifted completely to the reactants and all of the SbOCl(s) has dissolved.
12. ans-The addition of water increases the volume and dilutes all dissolved ions. The reaction
shifts to the side with the greatest moles of solute and solid SbOCl is formed.
SbCl3(aq) + H2O(l) SbOCl(s) + 2 HCl(aq).
13. ans-Adding HCl shifts the equilibrium toward the reactants, which causes solid SbOCl to
dissolve.
14. ans-Ba2+(aq) + CrO42-(aq) BaCrO4(s).
15. ans-Ba2+(aq) + CrO42-(aq) BaCrO4(s).
2CrO42- + 2H3O+ Cr2O72- + 3H2O(l).
Adding HCl shifted the second reaction to the right decreasing the chromate concentration. This
in turn, caused the first equation to shift to the left and the solid barium chromate to dissolve.
16.1. ans-AgCl(s) + 2NH3(aq) Ag(NH3)2+(aq) + Cl-(aq).
16.2. ans-2Na+(aq) + SO42-(aq) Na2SO4(s).
Excess SO42- (beyond saturation) from the sulfuric acid causes the reaction to shift to the
rightand solid sodium sulfate to form.
16.3. ans-The color of the solution will fade. 1) The volume will increase, diluting the
concentrations of all ions, and the reaction will shift toward the side with iron(III) and thiocyante
ions. 2) The color will also fade because of dilution.