Please Type Answer!
Compare and contrast the properties of acids and bases.
Solution
Acids are species which have the ability to accept a pair of electrons. Acids are sour in taste, corrosive in nature, and turn blue litmus paper to red. Reaction of acids with a base results into loss of acidity (acidic nature) of acid.
while the bases have the ability to donate a pair of electron. And, bases turn red litmum paper to blue. Bases lose their basic nature when they react with an acid.
The reaction between an acid and a base is called acid-base reaction. Two examples are discussed below
#1 HCl + NaOH ----> NaCl + H 2 O
(H + + OH - -----> H 2 O)
#2 BH 3 + NH 3 ----> BH 3 NH 3
In reaction 1, as H + ion of HCl can accept a pair of electron (from OH - of NaOH), thus HCl is an acid and NaOH is a base. Going by the same argument BH 3 in reaction 2, can accept a pair of elctron from NH 3 , thus BH3 is an acid, while NH3 is a base.
Acids and bases contrast in their ability to change the color of litmum. Acids turn blue litmum paper to red, while bases changes the red litmum to blue.
.
Acids and bases buffers ARRHENIUS CONCEPT
THE LEWIS CONCEPT-THE ELECTRON DONOR ACCEPTOR SYSTEM
BRONSTED-LOWRY CONCEPT (PROTON TRANSFER
THEORY
buffer action
ph scale
buffer capacity
acid base balance
isotonicity method
isotonic soltions
buffer solutions in pharmaceutical preparations
Acids and bases buffers ARRHENIUS CONCEPT
THE LEWIS CONCEPT-THE ELECTRON DONOR ACCEPTOR SYSTEM
BRONSTED-LOWRY CONCEPT (PROTON TRANSFER
THEORY
buffer action
ph scale
buffer capacity
acid base balance
isotonicity method
isotonic soltions
buffer solutions in pharmaceutical preparations
Acid base Theories
Role of the solvents
Acid base dissociation constant,
Relative strength of acids and bases
Distribution of acid base species with pH
Buffer solution
Henderson Hasselbalch equation,
Indicators, Mixed indicators
Different type of titrations (Neutralization curves)
Polyprotic systems,
Phosphoric acid system,
Polyamine and amino acid systems.
Titration of sodium carbonate
Lavoisier definition
Liebig definition
Arrhenius Acids and Bases
Bronsted-Lowry Acid and Base
Lewis Acid and Base
Solvent-system Concept
Lux-Flood Concept
Pearson’s Concept
Historically, the first of the scientific concepts of acids and bases was provided by the French chemist Antoine Lavoisier, circa 1776.
Lavoisier's knowledge of strong acids was mainly restricted to oxyacids, which tend to contain central atoms in high oxidation states surrounded by oxygen, such as HNO3 and H2SO4, and he was not aware of the true composition of the hydrohalic acids, HCl, HBr, and HI. From his limited knowledge,
He defined acids in terms of their content of oxygen, and he named oxygen from Greek words meaning "acid-former"
The three main categories of chemical compounds are acids, bases and salts. These compounds are always part of our daily lives in terms of what we eat and use. The human body contains some very common acids like dilute hydrochloric acid in the stomach, which aids in digestion of food. If the contents of our stomach become too acidic, it results to a burning sensation in the stomach. Acids and bases also regulate metabolic activities in the human body through equilibrium processes. Acids contain hydrogen ions (H+). A base is a substance, which on dissolving in water yields hydroxyl ions (OH-) as the only negative ions. Salts are formed by the combination of an acid and base.
• Acid-base concept
• Role of this form of titration in pharmaceutical quality assurance
• Ionization
• Low of ionization
• Henderson hasselbarkh equation equation
• Neutralization curves
• Acid-base indicators
• Mixed indicators used in polyprotic & amino acid systems during amino acid titration
The mutual fund industry is beginning to use the Internet to dissemina.docxkdavid658
The mutual fund industry is beginning to use the Internet to disseminate fund information and effect fund transactions. The Internet also makes it much easier for savers to obtain information about individual securities and much cheaper to trade these securities. As the Internet develops, will savers make their investment directly in individual securities rather through financial intermediaries such as mutual funds?
Solution
A financial intermediary is an institution or individual that serves as a conduit for parties in a financial transaction. They act as go-betweens by holding a portfolio of assets and issuing claims based on that portfolio, various informations regarding that portfolio to savers. Typically speaking these financial intermediaries are institutions that facilitates the channeling of funds between lenders and borrowers indirectly . In the climate of finance and development, financial intermediaries generally refer to private sector intermediaries, such as banks, mutual funds, private equity, venture capital funds, leasing companies, insurance and pension funds.
Financial intermediaries not only work as the intermediate agent on commission base, but will contribute valuables to the savers. They help the individual saver to judge the security by going through a deep analysis regarding the security.
So, it will not a good act to do investment directly in individual securities rather through financial intermediaries such as mutual funds.
.
The primary tool for hardening symmetric cryptography is public key in.docxkdavid658
The primary tool for hardening symmetric cryptography is public key infrastructure.
Select one:
True
False
ABC Corp recently released a new version of their Web-based inventory management software. Unfortunately a bug in their code was discovered that would allow an attacker to take full control of the host Web server. In information security this is considered to be a(n)
Select one:
a. flaw
b. weakness
c. vulnerability
d. exploit
Solution
The primary tool for hardening symmetric cryptography is public key infrastructure.
Select one:
True
False
ABC Corp recently released a new version of their Web-based inventory management software. Unfortunately a bug in their code was discovered that would allow an attacker to take full control of the host Web server. In information security this is considered to be a(n)
Select one:
a. flaw
b. weakness
c. vulnerability
d. exploit
.
More Related Content
Similar to Please Type Answer! Compare and contrast the properties of acids and b.docx
Acid base Theories
Role of the solvents
Acid base dissociation constant,
Relative strength of acids and bases
Distribution of acid base species with pH
Buffer solution
Henderson Hasselbalch equation,
Indicators, Mixed indicators
Different type of titrations (Neutralization curves)
Polyprotic systems,
Phosphoric acid system,
Polyamine and amino acid systems.
Titration of sodium carbonate
Lavoisier definition
Liebig definition
Arrhenius Acids and Bases
Bronsted-Lowry Acid and Base
Lewis Acid and Base
Solvent-system Concept
Lux-Flood Concept
Pearson’s Concept
Historically, the first of the scientific concepts of acids and bases was provided by the French chemist Antoine Lavoisier, circa 1776.
Lavoisier's knowledge of strong acids was mainly restricted to oxyacids, which tend to contain central atoms in high oxidation states surrounded by oxygen, such as HNO3 and H2SO4, and he was not aware of the true composition of the hydrohalic acids, HCl, HBr, and HI. From his limited knowledge,
He defined acids in terms of their content of oxygen, and he named oxygen from Greek words meaning "acid-former"
The three main categories of chemical compounds are acids, bases and salts. These compounds are always part of our daily lives in terms of what we eat and use. The human body contains some very common acids like dilute hydrochloric acid in the stomach, which aids in digestion of food. If the contents of our stomach become too acidic, it results to a burning sensation in the stomach. Acids and bases also regulate metabolic activities in the human body through equilibrium processes. Acids contain hydrogen ions (H+). A base is a substance, which on dissolving in water yields hydroxyl ions (OH-) as the only negative ions. Salts are formed by the combination of an acid and base.
• Acid-base concept
• Role of this form of titration in pharmaceutical quality assurance
• Ionization
• Low of ionization
• Henderson hasselbarkh equation equation
• Neutralization curves
• Acid-base indicators
• Mixed indicators used in polyprotic & amino acid systems during amino acid titration
Similar to Please Type Answer! Compare and contrast the properties of acids and b.docx (20)
The mutual fund industry is beginning to use the Internet to dissemina.docxkdavid658
The mutual fund industry is beginning to use the Internet to disseminate fund information and effect fund transactions. The Internet also makes it much easier for savers to obtain information about individual securities and much cheaper to trade these securities. As the Internet develops, will savers make their investment directly in individual securities rather through financial intermediaries such as mutual funds?
Solution
A financial intermediary is an institution or individual that serves as a conduit for parties in a financial transaction. They act as go-betweens by holding a portfolio of assets and issuing claims based on that portfolio, various informations regarding that portfolio to savers. Typically speaking these financial intermediaries are institutions that facilitates the channeling of funds between lenders and borrowers indirectly . In the climate of finance and development, financial intermediaries generally refer to private sector intermediaries, such as banks, mutual funds, private equity, venture capital funds, leasing companies, insurance and pension funds.
Financial intermediaries not only work as the intermediate agent on commission base, but will contribute valuables to the savers. They help the individual saver to judge the security by going through a deep analysis regarding the security.
So, it will not a good act to do investment directly in individual securities rather through financial intermediaries such as mutual funds.
.
The primary tool for hardening symmetric cryptography is public key in.docxkdavid658
The primary tool for hardening symmetric cryptography is public key infrastructure.
Select one:
True
False
ABC Corp recently released a new version of their Web-based inventory management software. Unfortunately a bug in their code was discovered that would allow an attacker to take full control of the host Web server. In information security this is considered to be a(n)
Select one:
a. flaw
b. weakness
c. vulnerability
d. exploit
Solution
The primary tool for hardening symmetric cryptography is public key infrastructure.
Select one:
True
False
ABC Corp recently released a new version of their Web-based inventory management software. Unfortunately a bug in their code was discovered that would allow an attacker to take full control of the host Web server. In information security this is considered to be a(n)
Select one:
a. flaw
b. weakness
c. vulnerability
d. exploit
.
the primary function of the skin the primary function of the skin.docxkdavid658
the primary function of the skin
the primary function of the skin
the primary function of the skin
Solution
Skin
Basically in terms of computer skin refers to visual effects either on the operating system(task bar, menu bar, background , themes), websites,applications.
Main and primary functions of the skin are:
1). To provide a better look and feel.
2). To provide easy access to different tools or applicatons.
3). generally to provide better look and feel to the website we uses HTML and CSS (cascading style sheets(internal, external, inline).
4).For standalone software interfaces, it is implemented by XML (used to create user defined tags )and XSLT.
5). In terms of applications skin plays an important roles like in various media players (winamp, trillion etc), as well as in instant messaging clients.
Software skins
Software which provide skin applied is referred to as being skinnable, and the process of using or applying such a skin is known as skinning.
6).In terms of computer vision human skin used as a biometric tool like Face recognition, people tracking, fingerprint identifications.
7).In terms of computer graphics skin are used as
a) animation
b) geometric modeling
c) photorealistic rendering.
.
The primary difference between seasonality and cycles is- the duration.docxkdavid658
The primary difference between seasonality and cycles is?
the duration of the repeating patterns
the magnitude of the variation
the ability to attribute the pattern to a cause
the direction of the movement
there are only 4 seasons but 30 cycles
Solution
answer is the duration of the repeating patterns
explaination:
Cycles are wavelike variation of more than one year\'s duration (long term). There are often related to a variety of economic, political, and even agricultural conditions.
Seasonality refers to short-term, fairly variations generally related to factors such as the calendar or time of day. For example, restaurants, supermarkets, and theaters experience weekly and even daily \"seasonal\" variations.
In one word, cycles are up-and-down movements similar to seasonal variation but of long duration-say, two to six years between peaks.
.
The pointer in a node points to the data part of a node the count part.docxkdavid658
The pointer in a node points to
the data part of a node
the count part of a node
the pointer part of the node
the whole node
Solution
* The pointer in a node points to ...
D . The whole node.
Explanation :-
* A Linked List is a linear collection of data elements, called nodes, pointing to the next node by means of a pointer.
.
The nucleus of a 15 a distance of 5-4 x 10-11 m- What is the ratio of.docxkdavid658
The nucleus of a 15 a distance of 5.4 x 10-11 m. What is the ratio of the density of the hydrogen nucleus to the density of the complete hydrogen atom? Section 30.1 10 30.P energy as a ground-state For a doubly ionized lithium atom Li2+ (z - 3), what is the principal quantum number of the state in which the electron has the same total Section 30.3 CJ10 36 P010
Solution
2) First find density of proton
mass of proton = 1.67e-27
V = 4/3*pi*r 3 = 4/3*pi*(1.7e-15) 3 = 2.0579e-44 m 3
density = mass / volume = 1.67e-27 / 2.0579e-44
density = 8.115e16 kg/m 3
Mass of hydrogen atom = 1.67e-27
V = 4/2*pi*(5.4e-11) 3 = 6.596e-31 m 3
density = 1.67e-27 / 6.596e-31
density = 2531.9 kg/m3
Ratio =Â Â 8.115e16 / 2531.9
Ratio = 3.205e13
3) n 2 (Li) = (n 2 / Z 2 ) Hydrogen * Z 2 (Li)
for ground state, n and z = 1 for hydrogen
n 2 = 1*3 2 = 9
n (Li) = 3
.
The main function of a cell membrane is to allow substances to enter a.docxkdavid658
The main function of a cell membrane is to allow substances to enter and leave the cell. Which is a correct description of transport through a cell membrane?
a. Diffusion, or passive transport, occurs when molecules diffuse from a lower concentration to a higher concentration.
b. Facilitated transport occurs when proteins that extend through the cell membrane provide a channel through which certain substances can diffuse more rapidly than by passive diffusion.
c. The lipid bilayer opens up and allows the ions or molecules to enter the cell, then closes.
Solution
Option b tends to be the appropriate answer for cell membrane function.
Passive transport occurs from higher concentration region to lower concentration region. Vice versa for the active transport
Ions transport through lipid bilayer through trans membrane protein
.
The left subtree of key value 14 has 3 key values and the right subtre.docxkdavid658
The left subtree of key value 14 has 3 key values and the right subtree has 5. Restructure the tree to have 4 values in both subtrees. Draw the resulting tree including lines to indicate connections to lower level subtrees A through L.
Solution
10
15
20
A L
11
12
13
14
16
17
18
19
C D E F G H I J K
.
Please show ALL work- If written please show with neat handwriting- I.docxkdavid658
Please show ALL work. If written please show with neat handwriting. I will rate! Thank You!
Sketch a realistic titration curve for the following situation. For last name starting: A-L Titrate 20.00 mL of 0.300 M morpholine with 0.200 M HCl M-O Titrate 10.00 mL of 0.300 M sodium 4-nitrophenolate with 0.100 M HCI P-Z Titrate 30.00 mL of 0.100 M sodium cyanide with 0.200 M HOI You should show proof of some specific points in the titration curve. i) initial pH ii) pH at 9.00 mL addition i) pH at the equiv. point iv) pH at 2.00 mL past the equiv. pt.
Solution
Titration
Morpholine with HCl
i) initial pH
[morpholine] = 0.3 M
morpholine + H2O <==> morpholineH+ + OH-
let x amount hydrolyzed
Kb = [morpholineH+][OH-]/[morpholine]
2.5 x 10^-6 = x^2/0.3
x = [OH-] = 8.7 x 10^-4 M
[H+] = 1 x 10^-14/8.7 x 10^-4 = 1.15 x 10^-11 M
pH = -log[H+] = 10.94
ii) 9.0 ml HCl added
moles morpholine = 0.3 M x 20 ml = 6 mmol
moles HCl = 0.2 M x 9 ml = 1.8 mmol
morpholineH+ formed = 1.8 mmol
morpholine remained = 6-1.8 = 4.2 mmol
pH = pKa + log(morpholine/morpholneH+)
= 8.4 + log(4.2/1.8)
= 8.77
iii) pH at equivalence point
volume HCl added = 6 mmol/0.2 M = 30 ml
[morpholineH+] formed = 6 mmo/50 ml = 0.12 M
morpholineH+ + H2O <==> morpholine + H3O+
let x amount hydrolyzed
Ka = [morpholine][H3O+]/[morpholineH+]
4 x 10^-9 = x^2/0.12
x = [H3O+] = 2.2 x 10^-5 M
pH = -log[H3O+] = 4.66
iv) pH at 2 ml past equivalence point
excess [HCl] = [H+] = 0.2 M x 2 ml/52 ml = 0.008 M
pH = -log(0.008) = 2.11
v) pH at half-equivalence point
[morpholineH+] formed = [morpholine] remained
pH = pKa = 8.4
Plot,
volume HCl on x-axis and pH on y-axis
.
Please only answer if you know the answer- I have posted this twice an.docxkdavid658
Please only answer if you know the answer. I have posted this twice and both times received incorrect answers that didn\'t even match up to the journal format. The account tile options are: salaries expense, Terrell Capital, Donley Capital, Account receivable, distributions, accounts payable, Pinkston capital, Lamar Capital and Cash.
At April 30, partners\' capital balances in PDL Company are: G. Donley $51,400, C. Lamar $50,100, and J. Pinkston $15,200. The income sharing ratios are 5 4: 1, respectively. On May 1, the PDLT Company is formed by admitting ·Terrell to the firm as a partner Journalize the admission of Terrell under each of the following independent assumptions. (Credit account titles are automatically indented when amount is entered. Do not indent manually.) (1) (2) (3) (4) Terrell purchases 50% of Pinkston\'s ownership interest by paying Pinkston $16,140 in cash. Terrell purchases 331/3% of Lamar\'s ownership interest by paying Lamar $15,450 in cash. Terrell invests $63,100 for a 30% ownership interest, and bonuses are given to the old partners Terrell invests $43,500 for a 30% ownership interest, which includes a bonus to the new partner No. Account Titles and Explanation Debit Credit 1. 2. 3. Lamar\'s capital balance is $31,570 after admitting Terrell to the partnership by investment. If Lamar\'s ownership interest is 20% of total partnership capital, what were Terrell\'s cash investment and the bonus to the new partner? Terrell\'s cash investment Bonus to new partner
Solution
I have already answered this question once.
.
Please make comments of the following discussion in 150-200 words-If y.docxkdavid658
Please make comments of the following discussion in 150-200 words.If you agree or disagree.why or why not?
EEO laws apply to recruiting activities because a firm is required by the laws to utilize a sufficiently diverse workforce without violating the privacy of others and without and kind of bias based on sex, race, religon, disabilities, and other such things. Without these laws, recruiting activities could become invasive, obtrusive, unfair, and biased in a multitude of ways.
The five main things i would do to help promote diversity in the workforce:
1.) Allow for flex-hours and as much remote working as possible for single parents and the elderly or disabled
2.) Hire on all mediums and through many agencies to try and reach the most demographically diverse audience possible
3.) Offer full-time, part-time, and temporary jobs in a way that is dynamic around the employees available hours
4.) Go through the Office of Disability Employement to provide work for the disabled
5.) Offer counseling and training for uneducated or low skill employees
Solution
Flexible working hours would offer an immense advantage to the employees as it would help to maintain a balance between their personal life and work obligations. Providing the facility of work from home or flexible work hours would help to employ single parents, elderly people and disabled. Thus, it would create diversity in the workforce.
Different agencies including the Office of Disability Employment would help to acquire diverse pool of employee. Full-time, temporary and part-time jobs would help to attract students, other part-time workers, housewives etc. Hiring uneducated or low-skills employees after providing them some training would also help to increase the diversity in workforce.
Above techniques are efficient to maintain a diverse work environment at the workplace without any kind of bias including sex, race, religion, or disabilities.
.
Please help!! I need to make the instructions for these by manipulatin.docxkdavid658
Please help!! I need to make the instructions for these by manipulating the registers such as CPP, SP, TOS, H
The Level-2 instruction formats are:
Q1) ROT // rotate: Pop two words from stack as
// RotationCount: m[SP]
// ValueToBeRotated: m[SP-1]
// and push the rotated value on the stack m[SP-1]
Q2) ADDD // integer double word addition:
// Pop two double words (top four values) from the stack as
// B_Low = m[SP], B_High = m[SP - 1],
// A_Low = m[SP - 2], A_High = m[SP - 3]
// Perform addition on A_Low and B_Low, and propagate the carry
// to the addition result of A_High and B_High
// Push the result as
// m[SP - 2] = Result_Low
// m[SP - 3] = Result_High
where m stands for a 1-d array
these will be uploaded as a .ijvm to a mic-1 simulator
Solution
Ans;
.
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PLEASE HELP!
1. The integrating power of globalization forces managers and their firms to be knowledgeable about the nations in which they operate.
(Points : 5) Â Â Â Â Â Â True
False
True
False
Solution
1. True
2. denationalization; internationalization
3. all of the above
4. all of the above
5. True
6. False
7. False
8. True
9. False
10. False
11. True
12. True
13. False
14. True
15.  the tangible expression of an idea; the idea itself
16. True
17. value-added taxes
18. Civil law
19. True
20. True
.
please help with answer and explain homo and lumo in terms of acid-bas.docxkdavid658
please help with answer and explain homo and lumo in terms of acid/base. thanks!
10) A molecule with a high HOMO and a low LUMO can act as: (A) a Lewis base only (B) a Lewis acid only (C) a Lewis base and Lewis acid (D) neither a Lewis base, nor a Lewis acid (E) an inert molecule 11) A molecule with a low HOMO and a high LUMO can act as: (A) a Lewis base only (B) a Lewis acid only (C) a Lewis base and Lewis acid (D) an inert molecule (E) none of the above
Solution
10) a molecule with a high HOMO and low LUMO can act as a Lewis Base or Lewis Acid.
11) a molecule with low HOMO and high LUMO can act as an inert molecule.
According to lewis acid base concept, the Homo and Lumo are the pair of orbitals that lie closest.
When having a high HOMO, this is lewis base.
When having a low LUMO , this is lewis acid.
When the HOMO and LUMO are far they have a larger energy gap, and the HOMO-LUMO interactions do not happen.
And when the HOMO and LUMO of a molecule are closer they interact with each other.
.
Please help me with this crossword!SolutionAcross- 4-Constitutional Is.docxkdavid658
Please help me with this crossword!
Solution
Across:
4.Constitutional Isomers
Cis and trans isomers are formed when the substituents are on opposite sides. These are constitutional Isomers.
5. Levorotatory
When rotation of plane polarized light is towards the left, it is called levorotatory, and if to the right then dextrorotatory.
6. Stereoisomers
Isomeric compounds with same connections but different spatial arrangements.
8. Stereocenters
11.Chiral
Have non-superimposible mirror images
13. Constitutional Isomers
Have different connectivities.
14. Raesmic Mixture
Have no optical activity due to external compensation by as equal amounts of + and - enantiomers cancel each other.
15. Skeletol
These are skeletol isomers.
Down:
1. Diastereomers
They are stereoisomers which are not mirror images of each other or are not enantiomers.
2. Achiral
3. Dextrorotatory
7. Meso Compound
Show no optical rotation of plane polarized light due to internal compensation.
9. Functional
These are functional group isomers.
10. Enantiomers
12. Positional
Different position of functional groups will make them positional isomers.
.
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Please Type Answer! Compare and contrast the properties of acids and b.docx
1. Please Type Answer!
Compare and contrast the properties of acids and bases.
Solution
Acids are species which have the ability to accept a pair of electrons. Acids are sour in taste,
corrosive in nature, and turn blue litmus paper to red. Reaction of acids with a base results into
loss of acidity (acidic nature) of acid.
while the bases have the ability to donate a pair of electron. And, bases turn red litmum paper to
blue. Bases lose their basic nature when they react with an acid.
The reaction between an acid and a base is called acid-base reaction. Two examples are
discussed below
#1 HCl + NaOH ----> NaCl + H 2 O
(H +
+ OH -
-----> H 2 O)
#2 BH 3 + NH 3 ----> BH 3 NH 3
In reaction 1, as H +
ion of HCl can accept a pair of electron (from OH -
of NaOH), thus HCl is
an acid and NaOH is a base. Going by the same argument BH 3 in reaction 2, can accept a pair of
elctron from NH 3 , thus BH3 is an acid, while NH3 is a base.
Acids and bases contrast in their ability to change the color of litmum. Acids turn blue litmum
paper to red, while bases changes the red litmum to blue.
