How many ml of .20 M NaOh are required to neutral.pdf
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How many ml of .20 M NaOh are required to neutralize 50.0 ml of .41 M HBr? M1 = molarity of HBr = 0.41 M : V1 = volume of HBr = 50.0mL M2 = molarity of NaOH = 0.20 : V2 = volume of NaOH By titration we have M1V1=M2V2 V2=(M1V1)/M2= (0.41*50)/0.20 = 102.5mL NaOH What is the pH of a solution to which 35.0 ml of .20 M HCl and 50.0 ml of .42M NaOH have been combined? Moles = molarity * volume Moles of HCl = 0.50M*(35/1000)L = 0.0175 mol HCl Moles of NaOH = 0.42 M * (50/1000)L=0.021 mol NaOH Moles of NaOH left in the solution = 0.021 - 0.0175 = 0.0035 mol NaOH Molarity of NaOH = moles of NaOH left/ total volume of the solution =0.0034/((50+35)/1000)L = 0.04 M pOH = -log[OH-] = -log(0.04)=1.40 pH + pOH = 14 pH = 14-pOH = 14-1.40 = 12.6 Hope it has help you.... !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Solution How many ml of .20 M NaOh are required to neutralize 50.0 ml of .41 M HBr? M1 = molarity of HBr = 0.41 M : V1 = volume of HBr = 50.0mL M2 = molarity of NaOH = 0.20 : V2 = volume of NaOH By titration we have M1V1=M2V2 V2=(M1V1)/M2= (0.41*50)/0.20 = 102.5mL NaOH What is the pH of a solution to which 35.0 ml of .20 M HCl and 50.0 ml of .42M NaOH have been combined? Moles = molarity * volume Moles of HCl = 0.50M*(35/1000)L = 0.0175 mol HCl Moles of NaOH = 0.42 M * (50/1000)L=0.021 mol NaOH Moles of NaOH left in the solution = 0.021 - 0.0175 = 0.0035 mol NaOH Molarity of NaOH = moles of NaOH left/ total volume of the solution =0.0034/((50+35)/1000)L = 0.04 M pOH = -log[OH-] = -log(0.04)=1.40 pH + pOH = 14 pH = 14-pOH = 14-1.40 = 12.6 Hope it has help you.... !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.
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![How many ml of .20 M NaOh are required to neutralize 50.0 ml of .41 M HBr?
M1 = molarity of HBr = 0.41 M : V1 = volume of HBr = 50.0mL M2 = molarity of NaOH =
0.20 : V2 = volume of NaOH By titration we have M1V1=M2V2 V2=(M1V1)/M2=
(0.41*50)/0.20 = 102.5mL NaOH What is the pH of a solution to which 35.0 ml of .20 M HCl
and 50.0 ml of .42M NaOH have been combined? Moles = molarity * volume Moles of HCl =
0.50M*(35/1000)L = 0.0175 mol HCl Moles of NaOH = 0.42 M * (50/1000)L=0.021 mol
NaOH Moles of NaOH left in the solution = 0.021 - 0.0175 = 0.0035 mol NaOH Molarity of
NaOH = moles of NaOH left/ total volume of the solution =0.0034/((50+35)/1000)L = 0.04 M
pOH = -log[OH-] = -log(0.04)=1.40 pH + pOH = 14 pH = 14-pOH = 14-1.40 = 12.6 Hope it
has help you.... !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Solution
How many ml of .20 M NaOh are required to neutralize 50.0 ml of .41 M HBr?
M1 = molarity of HBr = 0.41 M : V1 = volume of HBr = 50.0mL M2 = molarity of NaOH =
0.20 : V2 = volume of NaOH By titration we have M1V1=M2V2 V2=(M1V1)/M2=
(0.41*50)/0.20 = 102.5mL NaOH What is the pH of a solution to which 35.0 ml of .20 M HCl
and 50.0 ml of .42M NaOH have been combined? Moles = molarity * volume Moles of HCl =
0.50M*(35/1000)L = 0.0175 mol HCl Moles of NaOH = 0.42 M * (50/1000)L=0.021 mol
NaOH Moles of NaOH left in the solution = 0.021 - 0.0175 = 0.0035 mol NaOH Molarity of
NaOH = moles of NaOH left/ total volume of the solution =0.0034/((50+35)/1000)L = 0.04 M
pOH = -log[OH-] = -log(0.04)=1.40 pH + pOH = 14 pH = 14-pOH = 14-1.40 = 12.6 Hope it
has help you.... !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!](https://image.slidesharecdn.com/howmanymlof-230628041809-1191a61a/85/How-many-ml-of-20-M-NaOh-are-required-to-neutral-pdf-1-320.jpg)
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The number of mols of HBr initially add to the solution of Zn(OH)2 = 0.350 L *0.5
M = 0.175 mol Even after addition of HBr to the Zn(OH)2 solution, the solution is acidic, The
number of mols of H+ present after the reaction completed is calculated by using the titration
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0.04425 mol therefore the number of mols of HBr remained = 0.04425 mol Therefore number of
mols of HBr consumed with the Zn(OH)2 = 0.175 -0.04425 = 0.1307 mol The balnced equation
between then Zn(OH)2 and HBr is - Zn(OH)2 (Aq) + 2 HBr (aq ) -------------> ZnBr2 (Aq) + 2
H2O(l) 0.1307 mol Therfore - number of moles of Zn(OH)2 reacted with HBr = 0.1307 /2 =
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DEF
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556
please enter book number:
556.357
please enter book author:
SAGAR
please enter book title:
GHI
do you want create a Book press 1 otherwise press any key
1
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Applicationsof DNA fingerprinting:
In criminal investigations, the DNA fingerprint of a suspect\'s blood or other body material is
compared to that of the evidence from the crime scene to see how closely they match. The
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1.
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echo “$(du –sm $HOME)mb”
2. For just path we use:
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To include the /sbin directory:
set PATH = ($PATH /usr/local/sbin)
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Many greenhouse gases occur naturally in the atmosphere, such as carbon dioxide, methane,
water vapor, and nitrous oxide, while others are synthetic. Those that are man-made include the
chlorofluorocarbons (CFCs), hydrofluorocarbons (HFCs) and Perfluorocarbons (PFCs), as well
as sulfur hexafluoride (SF6)
Solution
Answer:
Acidithiobacillus
Explanation:
Many greenhouse gases occur naturally in the atmosphere, such as carbon dioxide, methane,
water vapor, and nitrous oxide, while others are synthetic. Those that are man-made include the
chlorofluorocarbons (CFCs), hydrofluorocarbons (HFCs) and Perfluorocarbons (PFCs), as well
as sulfur hexafluoride (SF6).
AnsTriploidy is a desirable trait in all angiosperms except orchi.pdf
Ans:
Triploidy is a desirable trait in all angiosperms except orchidaceae and Triploidy could be a
desirable trait in agricultural species where the economic part especially fruits. Triploid hybrids
have one of the most important traits, seedlessness, which is the characteristic for the fresh-fruit
market. Triploid embryos are found in small seeds that do not germinate. Triploid plants raised
from endosperm are generally sterile. Endosperm-raised triploid plants are of commercial value,
e.g. timber-yielding plants, edible fruit plants or ornamentals propagated vegetatively and
multiplied mainly through micropropagation.
Triploid plants often show vigorous vegetative growth and in some species produce excellent
seedless fruit. All cultivated bananas are triplods, and must be propagated vegetatively as they
bear no seed. Some sugar beet varieties are triploid and these tend to be higher yielding than
diploid varieties. In some species it is not desirable as they produce little or no seed, each
generation of a triploid variety has to be made afresh by the hybridization of a diploid and a
tetraploid parent.
Eg: Commercial use of triploid fruits can be found in watermelons and are produced artificially
by first developing tetraploids whicg are then crossed with diploid watermelon. In order to set
fruit, the triploid watermelon crossed with desirable diploid pollen donar.
It is an undesirable trait
In some species it is not desirable as they produce little or no seed (may be sterile because they
cannot form gametes with a balanced assortment of chromosomes), each generation of a triploid
variety has to be made afresh by the hybridization of a diploid and a tetraploid parent.
Eg: Diana\' (1963, USA) has large single, pure white petals with crimped edges. It is a triploid,
so produces little or no viable seed, and thus continues to flower over a long period. It was
followed in the 1980s by more triploid cultivars, in particular \'Aphrodite\'
polyploidy leads to significant reduction in the amount of genetic diversity in some species. As
genetically identical clones, a pest or disease that affects one individual is likely capable of
affecting each of its clones. Eg: vast majority of commercially produced bananas are cloned from
a single source, the Cavendish cultivar, and those plants are currently threatened worldwide by a
newly discovered fungal disease to which they are highly susceptible.
It is an undesirable trait in crop species where the economic part is seed Example : Orchidacea
The Phalaenopsis species bear a very brightly colored and patterned flowers were reintroduced
into cultivation. Many of these novelty species however produce inflorescences with only a very
few, tiny, starry-shaped flowers. These diploid species have been crossed with the modern
autopolyploid white types to improve their size, form, and floriferousness. In many instances,
these characteristics were improved but flower color was substantially diluted. In addition, many
.
a) Rotenone is an isoflavone used as insecticide and pesticide. It w.pdf
a) Rotenone is an isoflavone used as insecticide and pesticide. It works by interfering with
Electron transport chain in mitochondria. It inhibits the transfer of elctrons from Complex 1
toUbiquinone. It is mildly toxic to humans and other mammals. But highly toxic to fish and
insects because it is easily taken up through the gills or trachea but not through skin or
gastrointestinal tract. The inhibition of NADH dehydrogenase by Rotenone decreases the rate of
electron flow which inturn decreases the ATP production. If it does not meet ATP requirements
the organisms die.
b) Antimycin A binds to the Qi site of cytochrome reductase in the mitochondrial complex 3 and
inhibits the oxidation of Ubiquinol. It strongly inhibits the oxidation of reduced Q in the
respiratory chain severely limiting the rate of electron transfer and ATP production.
c) Rotenone inhibits electron flow through complex1 whereas Antimycin Ainhibits electron flow
through NAD linked complex 1 and also at complex 2 from succinate and fatty acyl coA through
FAD. So, Antimycin A is more potent poisonous.
Solution
a) Rotenone is an isoflavone used as insecticide and pesticide. It works by interfering with
Electron transport chain in mitochondria. It inhibits the transfer of elctrons from Complex 1
toUbiquinone. It is mildly toxic to humans and other mammals. But highly toxic to fish and
insects because it is easily taken up through the gills or trachea but not through skin or
gastrointestinal tract. The inhibition of NADH dehydrogenase by Rotenone decreases the rate of
electron flow which inturn decreases the ATP production. If it does not meet ATP requirements
the organisms die.
b) Antimycin A binds to the Qi site of cytochrome reductase in the mitochondrial complex 3 and
inhibits the oxidation of Ubiquinol. It strongly inhibits the oxidation of reduced Q in the
respiratory chain severely limiting the rate of electron transfer and ATP production.
c) Rotenone inhibits electron flow through complex1 whereas Antimycin Ainhibits electron flow
through NAD linked complex 1 and also at complex 2 from succinate and fatty acyl coA through
FAD. So, Antimycin A is more potent poisonous..
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The document contains calculations for determining the pH at different points in a titration curve between HCl and NaOH solutions. It provides the calculations to find the pH when 4 mL, 10 mL, 15 mL, and 21 mL volumes of 0.1 M NaOH solution are added to an initial 20 mL of 0.1 M HCl solution. The relevant reactions and equations used to determine moles and concentrations of H+ and OH- ions at each point are shown to calculate the pH values.
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b) advanced threat (advanced persistant threat ) is serious and cont.pdf
b) advanced threat (advanced persistant threat ) is serious and continous computer hacking
process which is often conducted by humans by targetting a specific goals or objectives by using
different multiple attack vectors like cyber threats by using internet they hack into users account
and they hack their information in social networking websites like facebook and twitter
etc.advanced threats follows its objectives for long period of time by hacking into the users
account and they maintain this interaction with the user untill they get their desired information
and the user does not have any knowledge about the hacker .
Adversed actions are the actions done by the threat agents which includes a hacker and group of
indviduals that exploits the useful information and a threat consists of threat agent and threat
means it is a possible danger that exploits its danger or harm or vulnerability and causes danger
in computer security and threat agents are the entities that they perform their adverse actions
inorder to exploit the useful information and hackers ,users, computer process ,
softwaredevelopment staff and accidental errors comes under threat agents and threat sources
and threat agents are same as their main objectives or targets is to exploit usefull informations
and in intentionally exploit the assets and the methods that accidentatly trigger harms.
Solution
b) advanced threat (advanced persistant threat ) is serious and continous computer hacking
process which is often conducted by humans by targetting a specific goals or objectives by using
different multiple attack vectors like cyber threats by using internet they hack into users account
and they hack their information in social networking websites like facebook and twitter
etc.advanced threats follows its objectives for long period of time by hacking into the users
account and they maintain this interaction with the user untill they get their desired information
and the user does not have any knowledge about the hacker .
Adversed actions are the actions done by the threat agents which includes a hacker and group of
indviduals that exploits the useful information and a threat consists of threat agent and threat
means it is a possible danger that exploits its danger or harm or vulnerability and causes danger
in computer security and threat agents are the entities that they perform their adverse actions
inorder to exploit the useful information and hackers ,users, computer process ,
softwaredevelopment staff and accidental errors comes under threat agents and threat sources
and threat agents are same as their main objectives or targets is to exploit usefull informations
and in intentionally exploit the assets and the methods that accidentatly trigger harms..
Book.java To change this license header, choose License Hea.pdf
Book.java:
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package chegg2;
/**
*
* @author MDR
*/
public class Book {
private static int booksCount,checkedIn;
private int classNumber;
private double bookNumber;
private String author;
private String title;
private boolean checked;
public Book()
{
this.classNumber=000;
this.bookNumber=000.000;
this.author=\"Doe, John\";
this.checked=true;
this.title=\"Book Title\";
booksCount++;
checkedIn++;
}
public Book(int cn,double bn,String au,String title,boolean checked)
{
this.classNumber=cn;
this.bookNumber=bn;
this.author=au;
this.title=title;
this.checked=checked;
booksCount++;
checkedIn++;
}
public void setClassNo(int cn)
{
this.classNumber=cn;
}
public void setBookNo(double bn)
{
this.bookNumber=bn;
}
public void setAuthor(String au)
{
this.author=au;
}
public void setTitle(String title)
{
this.title=title;
}
public void setChecked(boolean checked)
{
this.checked=checked;
if(checked==true)
checkedIn++;
else
checkedIn--;
}
public int getClassNo()
{
return this.classNumber;
}
public double getBookNo()
{
return this.bookNumber;
}
public String getAuthor()
{
return this.author;
}
public String getTitle()
{
return this.title;
}
public boolean getChecked( )
{
return this.checked;
}
public int getBooksCount()
{
return this.booksCount;
}
public int getCheckedCount()
{
return this.checkedIn;
}
}
MyLIbrary.java:
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package chegg2;
import java.io.*;
import java.util.Scanner;
import java.util.ArrayList;
public class MyLibrary {
public static void main(String []args)
{
int op=1;
ArrayList books=new ArrayList(0);
Scanner scan=new Scanner(System.in);
Book book;
while(op==1)
{
book=createBook();
books.add(book);
System.out.println(\"do you want create a Book press 1 otherwise press any key\");
op=scan.nextInt();
}
System.out.println(\"Books Count:\"+books.get(0).getBooksCount());
System.out.println(\"Books Checked in Count:\"+books.get(0).getCheckedCount());
for(int i=0;i=000.000 &&bookNumber<=999.999)
book=new Book(classNumber,bookNumber,author,title,checked);
else
book=new Book();
return book;
}
}
Output:
run:
please enter class number of book:
115
please enter book number:
115.225
please enter book author:
kiran
please enter book title:
ABC
do you want create a Book press 1 otherwise press any key
1
please enter class number of book:
225
please enter book number:
225.365
please enter book author:
taj
please enter book title:
DEF
do you want create a Book press 1 otherwise press any key
1
please enter class number of book:
556
please enter book number:
556.357
please enter book author:
SAGAR
please enter book title:
GHI
do you want create a Book press 1 otherwise press any key
1
please enter class number of.
Answere.none of the above (all are true statements)Applications.pdf
Answer:
e.none of the above (all are true statements)
Applicationsof DNA fingerprinting:
In criminal investigations, the DNA fingerprint of a suspect\'s blood or other body material is
compared to that of the evidence from the crime scene to see how closely they match. The
technique can also be used to establish paternity. Forensic dentistry plays an important role in
human identification in mass disasters, especially in fires, explosions, decomposing bodies or
skeletonized bodies, when there is little material remaining to perform visual identification.
Solution
Answer:
e.none of the above (all are true statements)
Applicationsof DNA fingerprinting:
In criminal investigations, the DNA fingerprint of a suspect\'s blood or other body material is
compared to that of the evidence from the crime scene to see how closely they match. The
technique can also be used to establish paternity. Forensic dentistry plays an important role in
human identification in mass disasters, especially in fires, explosions, decomposing bodies or
skeletonized bodies, when there is little material remaining to perform visual identification..
Answer1.To print the size of my home directory $HOME we usee.pdf
Answer:
1.
To print the size of my home directory $HOME we use:
echo “$(du –sm $HOME)mb”
2. For just path we use:
echo $PATH
To include the /sbin directory:
set PATH = ($PATH /usr/local/sbin)
echo $PATH
3. For creating alias for ls and color coding:
alias ls = “ls –l –-color \"
Solution
Answer:
1.
To print the size of my home directory $HOME we use:
echo “$(du –sm $HOME)mb”
2. For just path we use:
echo $PATH
To include the /sbin directory:
set PATH = ($PATH /usr/local/sbin)
echo $PATH
3. For creating alias for ls and color coding:
alias ls = “ls –l –-color \".
AnswerAcidithiobacillusExplanationMany greenhouse gases occu.pdf
Answer:
Acidithiobacillus
Explanation:
Many greenhouse gases occur naturally in the atmosphere, such as carbon dioxide, methane,
water vapor, and nitrous oxide, while others are synthetic. Those that are man-made include the
chlorofluorocarbons (CFCs), hydrofluorocarbons (HFCs) and Perfluorocarbons (PFCs), as well
as sulfur hexafluoride (SF6)
Solution
Answer:
Acidithiobacillus
Explanation:
Many greenhouse gases occur naturally in the atmosphere, such as carbon dioxide, methane,
water vapor, and nitrous oxide, while others are synthetic. Those that are man-made include the
chlorofluorocarbons (CFCs), hydrofluorocarbons (HFCs) and Perfluorocarbons (PFCs), as well
as sulfur hexafluoride (SF6).
AnsTriploidy is a desirable trait in all angiosperms except orchi.pdf
Ans:
Triploidy is a desirable trait in all angiosperms except orchidaceae and Triploidy could be a
desirable trait in agricultural species where the economic part especially fruits. Triploid hybrids
have one of the most important traits, seedlessness, which is the characteristic for the fresh-fruit
market. Triploid embryos are found in small seeds that do not germinate. Triploid plants raised
from endosperm are generally sterile. Endosperm-raised triploid plants are of commercial value,
e.g. timber-yielding plants, edible fruit plants or ornamentals propagated vegetatively and
multiplied mainly through micropropagation.
Triploid plants often show vigorous vegetative growth and in some species produce excellent
seedless fruit. All cultivated bananas are triplods, and must be propagated vegetatively as they
bear no seed. Some sugar beet varieties are triploid and these tend to be higher yielding than
diploid varieties. In some species it is not desirable as they produce little or no seed, each
generation of a triploid variety has to be made afresh by the hybridization of a diploid and a
tetraploid parent.
Eg: Commercial use of triploid fruits can be found in watermelons and are produced artificially
by first developing tetraploids whicg are then crossed with diploid watermelon. In order to set
fruit, the triploid watermelon crossed with desirable diploid pollen donar.
It is an undesirable trait
In some species it is not desirable as they produce little or no seed (may be sterile because they
cannot form gametes with a balanced assortment of chromosomes), each generation of a triploid
variety has to be made afresh by the hybridization of a diploid and a tetraploid parent.
Eg: Diana\' (1963, USA) has large single, pure white petals with crimped edges. It is a triploid,
so produces little or no viable seed, and thus continues to flower over a long period. It was
followed in the 1980s by more triploid cultivars, in particular \'Aphrodite\'
polyploidy leads to significant reduction in the amount of genetic diversity in some species. As
genetically identical clones, a pest or disease that affects one individual is likely capable of
affecting each of its clones. Eg: vast majority of commercially produced bananas are cloned from
a single source, the Cavendish cultivar, and those plants are currently threatened worldwide by a
newly discovered fungal disease to which they are highly susceptible.
It is an undesirable trait in crop species where the economic part is seed Example : Orchidacea
The Phalaenopsis species bear a very brightly colored and patterned flowers were reintroduced
into cultivation. Many of these novelty species however produce inflorescences with only a very
few, tiny, starry-shaped flowers. These diploid species have been crossed with the modern
autopolyploid white types to improve their size, form, and floriferousness. In many instances,
these characteristics were improved but flower color was substantially diluted. In addition, many
.
a) Rotenone is an isoflavone used as insecticide and pesticide. It w.pdf
a) Rotenone is an isoflavone used as insecticide and pesticide. It works by interfering with
Electron transport chain in mitochondria. It inhibits the transfer of elctrons from Complex 1
toUbiquinone. It is mildly toxic to humans and other mammals. But highly toxic to fish and
insects because it is easily taken up through the gills or trachea but not through skin or
gastrointestinal tract. The inhibition of NADH dehydrogenase by Rotenone decreases the rate of
electron flow which inturn decreases the ATP production. If it does not meet ATP requirements
the organisms die.
b) Antimycin A binds to the Qi site of cytochrome reductase in the mitochondrial complex 3 and
inhibits the oxidation of Ubiquinol. It strongly inhibits the oxidation of reduced Q in the
respiratory chain severely limiting the rate of electron transfer and ATP production.
c) Rotenone inhibits electron flow through complex1 whereas Antimycin Ainhibits electron flow
through NAD linked complex 1 and also at complex 2 from succinate and fatty acyl coA through
FAD. So, Antimycin A is more potent poisonous.
Solution
a) Rotenone is an isoflavone used as insecticide and pesticide. It works by interfering with
Electron transport chain in mitochondria. It inhibits the transfer of elctrons from Complex 1
toUbiquinone. It is mildly toxic to humans and other mammals. But highly toxic to fish and
insects because it is easily taken up through the gills or trachea but not through skin or
gastrointestinal tract. The inhibition of NADH dehydrogenase by Rotenone decreases the rate of
electron flow which inturn decreases the ATP production. If it does not meet ATP requirements
the organisms die.
b) Antimycin A binds to the Qi site of cytochrome reductase in the mitochondrial complex 3 and
inhibits the oxidation of Ubiquinol. It strongly inhibits the oxidation of reduced Q in the
respiratory chain severely limiting the rate of electron transfer and ATP production.
c) Rotenone inhibits electron flow through complex1 whereas Antimycin Ainhibits electron flow
through NAD linked complex 1 and also at complex 2 from succinate and fatty acyl coA through
FAD. So, Antimycin A is more potent poisonous..
A pivot table is a table which is used to store the summary of a cer.pdf
A pivot table is a table which is used to store the summary of a certain data set in a condensed
manner. The table consists of rows, columns, data fields, and pages. These components can be
moved around and it helps the user to expand, isolate, sum, and group the particular data in real
time. This table enables the user to view the differences in a very big set of information. It is
very helpful in organizing a large amount of data in Microsoft Excel.
Easy to Use and data analysis
An important advantage of pivot tables is that it is easy to use. You can easily summarize data by
dragging the columns to different sections of the table. The columns can also be re-arranged as
you wish with the click of a mouse.With the help of excel pivot tables, you can handle large
quantities of data in one single go. These tables allow you to take a large amount of data and
work on it in such a way that you need to view only a few data fields. This helps in the easy
analysis of large amount of data.
Working of the Table and Find Data Patterns
A pivot table takes a user-specified data field and converts the header of each column into a data
option which can be easily manipulated by the user. Columns containing data can be removed
from, added to, or moved around the table quite easily. Here, user friendly and informative
summaries can be created from long spreadsheets of raw data. The data can be summarized in
various ways including frequencies and averages. Using the pivot table in excel has many
benefits which are described below. Excel pivot tables help you to create customized tables from
large data groups. Manipulating data in this manner will help to find recurring patterns in the
data, if any. This in turn will help in accurate data forecast.
Easy Summary of Data with Quick Report Creation
Another important benefit of pivot tables is that it helps to summarize data in a quick and easy
manner. The table helps in making a concise summary out of thousands of rows and columns of
unorganized data. With the help of these tables you can summarize large amounts of information
into a small space. The data can be summarized in a simple format which is easily
understandable. Users can arrange rows and columns of the data according to their needs and
they can label it and sort it in any way they want to.One of the important features of excel pivot
tables is that it helps to create reports in an efficient way. This saves you the long and strenuous
hours that you need to spend for creating reports manually. Apart from this, the table also helps
you provide links to external sources if any, in the report created.
Helps in Quick Decision Making
A pivot table can be considered to be a valuable Excel reporting tool as it allows users to easily
analyze the data and arrive at quick decisions. This serves as a huge advantage in the industrial
world, where it is crucial to make precise and quick decisions.
Conclusion: By considering the advantages that the pivot table have it .
26. DNA molecule contains deoxyribose and is double stranded.27. B.pdf
26. DNA molecule contains deoxyribose and is double stranded.
27. Base pairing in DNA are observed between A and T
28. The major goal of the human genome project is to determine the genome sequence of the
entire human genome.
29. Living material are observed under the light microscope using a wet mount.
30. To view the detailed structure of an organelle, the appropriate microscope would be electron
microscope.
31. The images from microscope can be viewed in all the following methods.
32. The cells which have nuclear material encased inside the nuclear envelope are called as
eukaryotes.
33. The inferior of the cell separated from the outside environment by cell membrane.
Solution
26. DNA molecule contains deoxyribose and is double stranded.
27. Base pairing in DNA are observed between A and T
28. The major goal of the human genome project is to determine the genome sequence of the
entire human genome.
29. Living material are observed under the light microscope using a wet mount.
30. To view the detailed structure of an organelle, the appropriate microscope would be electron
microscope.
31. The images from microscope can be viewed in all the following methods.
32. The cells which have nuclear material encased inside the nuclear envelope are called as
eukaryotes.
33. The inferior of the cell separated from the outside environment by cell membrane..
(A) Current Ratio = Current AssetsCurrent LiabilitiesCurrent Asse.pdf
(A) Current Ratio = Current Assets/Current Liabilities
Current Asset
3014
5224
Current Liabilities
2911
2800
Current Ratio
1.04
1.87
(B) Quick Ratio = Liquid Asset/Current Liabilities
Liquid Asset = AR+Cash
Liquid Asset
791
3133
Current Liabilities
2911
2800
Liquid Ratio
0.27
1.12
(C) Liabilities to Equity
Total liability include Current Liability + Short term Debt + Long Term Debt
Total Liability
5716
5931
Equity
871
2440
Liability to Equity
6.56
2.43
(D) Debt to Equity Ratio
Debt include Long Term Debt + Short Term Debt
Debt
2805
3131
Equity
871
2440
Debt to Equity Ratio
3.22
1.28
(E) Times Interest Earned
EBIT
1101
1323
Interest Expenses
153
156
Times Interest earned
7.20
8.48
(F) Cash From operation to total debt
Total Debt = Current Liabilities + Long Term Debt + Short Term Debt
Cash from Operation
2451
1220
Debt
5716
5931
Debt Coverage Ratio
43%
21%
(G) Free Operation Cash Flow to Total Debt
Free Cash Flow = Operating Cash Flow - Capital Expenditure
Free Cash Flow
1369
359
Total Debt
5716
5931
Ratio
24%
6%
Both the quick and current ratios for 2016 decreased in the past year. The current ratio remains
above 1.0, but this is driven in large part by high inventory levels, implying Nordstrom may have
difficulty converting assets to cash. However, its interest coverage ratio remains high, indicating
it has the ability to cover interest payments on its debt.
(A) Current Ratio = Current Assets/Current Liabilities
Current Asset
3014
5224
Current Liabilities
2911
2800
Current Ratio
1.04
1.87
(B) Quick Ratio = Liquid Asset/Current Liabilities
Liquid Asset = AR+Cash
Liquid Asset
791
3133
Current Liabilities
2911
2800
Liquid Ratio
0.27
1.12
(C) Liabilities to Equity
Total liability include Current Liability + Short term Debt + Long Term Debt
Total Liability
5716
5931
Equity
871
2440
Liability to Equity
6.56
2.43
(D) Debt to Equity Ratio
Debt include Long Term Debt + Short Term Debt
Debt
2805
3131
Equity
871
2440
Debt to Equity Ratio
3.22
1.28
(E) Times Interest Earned
EBIT
1101
1323
Interest Expenses
153
156
Times Interest earned
7.20
8.48
(F) Cash From operation to total debt
Total Debt = Current Liabilities + Long Term Debt + Short Term Debt
Cash from Operation
2451
1220
Debt
5716
5931
Debt Coverage Ratio
43%
21%
(G) Free Operation Cash Flow to Total Debt
Free Cash Flow = Operating Cash Flow - Capital Expenditure
Free Cash Flow
1369
359
Total Debt
5716
5931
Ratio
24%
6%
Solution
(A) Current Ratio = Current Assets/Current Liabilities
Current Asset
3014
5224
Current Liabilities
2911
2800
Current Ratio
1.04
1.87
(B) Quick Ratio = Liquid Asset/Current Liabilities
Liquid Asset = AR+Cash
Liquid Asset
791
3133
Current Liabilities
2911
2800
Liquid Ratio
0.27
1.12
(C) Liabilities to Equity
Total liability include Current Liability + Short term Debt + Long Term Debt
Total Liability
5716
5931
Equity
871
2440
Liability to Equity
6.56
2.43
(D) Debt to Equity Ratio
Debt include Long Term Debt + Short Term Debt
Debt
2805
3131
Equity
871
2440
Debt to Equity Rat.
1. what is the central dogma of geneticsans Central dogma of gen.pdf
1. what is the central dogma of genetics?
ans: Central dogma of genetics leads to the information related that how one information or
character is transferred from generation to generation .ie, the flow of information realted to
genetics in the cells from DNA to mRNA and lastly in the form of proteins.So all this process
how the information from DNA to protein is transferred is the central dogma of genetics.
2.What\'s the difference between mixed culture and pure culture?how do you isolate a pure
culture from a mixed culture?Draw out the steps.which quadrent will have the most
colonies?which have the least.explain.
ans: Difference between mixed and pure culture is that the name itself defines that pure culture is
the culture which contains only one organism and in mixed culture it has more than one
organisms.
There are methods to be followed to get pure culture from a mixed culture.They are....SPREAD
plate technique and STREAK plate technique after these techniques several methods are there
like staining and all are performed and then organism is stored or used as pure culture.
1st quadrent will have more colonies because this quadrent has been streaked fully so organisms
will grow here more.No other quadrent have been streaked so no colonies but quadrent 2 and 4
can have some colonies if streaking is not done properly but quadrent 3 will have least number of
colonies.
Solution
1. what is the central dogma of genetics?
ans: Central dogma of genetics leads to the information related that how one information or
character is transferred from generation to generation .ie, the flow of information realted to
genetics in the cells from DNA to mRNA and lastly in the form of proteins.So all this process
how the information from DNA to protein is transferred is the central dogma of genetics.
2.What\'s the difference between mixed culture and pure culture?how do you isolate a pure
culture from a mixed culture?Draw out the steps.which quadrent will have the most
colonies?which have the least.explain.
ans: Difference between mixed and pure culture is that the name itself defines that pure culture is
the culture which contains only one organism and in mixed culture it has more than one
organisms.
There are methods to be followed to get pure culture from a mixed culture.They are....SPREAD
plate technique and STREAK plate technique after these techniques several methods are there
like staining and all are performed and then organism is stored or used as pure culture.
1st quadrent will have more colonies because this quadrent has been streaked fully so organisms
will grow here more.No other quadrent have been streaked so no colonies but quadrent 2 and 4
can have some colonies if streaking is not done properly but quadrent 3 will have least number of
colonies..
Phosphorous reacts readily with hydrogen to form hydrides; with halo.pdf
Phosphorous reacts readily with hydrogen to form hydrides; with halogens to form hallides;
With oxygen to form oxides; With sulfur to form sulfides These are few of the important
reactions of Phosphorous
Solution
Phosphorous reacts readily with hydrogen to form hydrides; with halogens to form hallides;
With oxygen to form oxides; With sulfur to form sulfides These are few of the important
reactions of Phosphorous.
A group of isotopes representing various stages of radioactive decay.pdf
A group of isotopes representing various stages of radioactive decay in which the heavier
members of the group are transformed into successively lighter ones, the lightest being stable. In
nuclear science, the decay chain refers to the radioactive decay of different discrete radioactive
decay products as a chained series of transformations. Most radioactive elements do not decay
directly to a stable state, but rather undergo a series of decays until eventually a stable isotope is
reached. Decay stages are referred to by their relationship to previous or subsequent stages. A
parent isotope is one that undergoes decay to form a daughter isotope. The daughter isotope may
be stable or it may decay to form a daughter isotope of its own. The daughter of a daughter
isotope is sometimes called a granddaughter isotope. The time it takes for a single parent atom
to decay to an atom of its daughter isotope can vary widely, not only for different parent-
daughter chains, but also for identical pairings of parent and daughter isotopes. While the decay
of a single atom occurs spontaneously, the decay of an initial population of identical atoms over
time, t, follows a decaying exponential distribution, e-?t, where ? is called a decay constant.
Because of this exponential nature, one of the properties of an isotope is its half-life, the time by
which half of an initial number of identical parent radioisotopes have decayed to their daughters.
Half-lives have been determined in laboratories for thousands of radioisotopes (or,
radionuclides). These can range from nearly instantaneous to as much as 1019 years or more.
The intermediate stages often emit more radioactivity than the original radioisotope. When
equilibrium is achieved, a granddaughter isotope is present in proportion to its half-life; but since
its activity is inversely proportional to its half-life, any nuclide in the decay chain finally
contributes as much as the head of the chain. For example, natural uranium is not significantly
radioactive, but pitchblende, a uranium ore, is 13 times more radioactive because of the radium
and other daughter isotopes it contains. Not only are unstable radium isotopes significant
radioactivity emitters, but as the next stage in the decay chain they also generate radon, a heavy,
inert, naturally occurring radioactive gas. Rock containing thorium and/or uranium (such as some
granites) emits radon gas that can accumulate in enclosed places such as basements or
underground mines. Radon exposure is considered the leading cause of lung cancer in non-
smokers.
Solution
A group of isotopes representing various stages of radioactive decay in which the heavier
members of the group are transformed into successively lighter ones, the lightest being stable. In
nuclear science, the decay chain refers to the radioactive decay of different discrete radioactive
decay products as a chained series of transformations. Most radioactive elements do not decay
directly to a stable state.
n should be 5 here Calcium sulfate (or calcium su.pdf
n should be 5 here Calcium sulfate (or calcium sulphate) is a common laboratory
and industrial chemical. In the form of ?-anhydrite (the nearly anhydrous form), it is used as a
desiccant. It is also used as a coagulant in products like tofu.[3] In the natural state, unrefined
calcium sulfate is a translucent, crystalline white rock. When sold as a color-indicating variant
under the name Drierite, it appears blue or pink due to impregnation with Cobalt(II) chloride,
which functions as a moisture indicator. The hemihydrate (CaSO4·~0.5H2O) is better known as
plaster of Paris, while the dihydrate (CaSO4·2H2O) occurs naturally as gypsum. The anhydrous
form occurs naturally as ß-anhydrite. Depending on the method of calcination of calcium sulfate
dihydrate, specific hemihydrates are sometimes distinguished: alpha-hemihydrate and beta-
hemihydrate.[4] They appear to differ only in crystal size. Alpha-hemihydrate crystals are more
prismatic than beta-hemihydrate crystals and, when mixed with water, form a much stronger and
harder superstructure.[5]
Solution
n should be 5 here Calcium sulfate (or calcium sulphate) is a common laboratory
and industrial chemical. In the form of ?-anhydrite (the nearly anhydrous form), it is used as a
desiccant. It is also used as a coagulant in products like tofu.[3] In the natural state, unrefined
calcium sulfate is a translucent, crystalline white rock. When sold as a color-indicating variant
under the name Drierite, it appears blue or pink due to impregnation with Cobalt(II) chloride,
which functions as a moisture indicator. The hemihydrate (CaSO4·~0.5H2O) is better known as
plaster of Paris, while the dihydrate (CaSO4·2H2O) occurs naturally as gypsum. The anhydrous
form occurs naturally as ß-anhydrite. Depending on the method of calcination of calcium sulfate
dihydrate, specific hemihydrates are sometimes distinguished: alpha-hemihydrate and beta-
hemihydrate.[4] They appear to differ only in crystal size. Alpha-hemihydrate crystals are more
prismatic than beta-hemihydrate crystals and, when mixed with water, form a much stronger and
harder superstructure.[5].
Molarity = moles Litres of solution. Work out .pdf
Molarity = moles / Litres of solution. Work out how many moles of each reagent
you add to the initial solution. Then use the total volume of the initial solution to determine the
molarity. Use this equation to solve.
Solution
Molarity = moles / Litres of solution. Work out how many moles of each reagent
you add to the initial solution. Then use the total volume of the initial solution to determine the
molarity. Use this equation to solve..
It looks like you have two molecules there. CH3C.pdf
It looks like you have two molecules there. CH3CHO is acetaldehyde (ethanal)
HN(CH3)CH3 is dimethylamine (N-methylmethamine) IUPAC names are in parenthesis, the
common names are more often used.
Solution
It looks like you have two molecules there. CH3CHO is acetaldehyde (ethanal)
HN(CH3)CH3 is dimethylamine (N-methylmethamine) IUPAC names are in parenthesis, the
common names are more often used..
In H3O+ ion there are four electronpairs on the v.pdf
In H3O+ ion there are four electronpairs on the valency shell of the central atom .
Out of this 4, oneis lone pair of electrons and other three is bond pair electrons.So it is in trigonal
pyramidal geometry.
Solution
In H3O+ ion there are four electronpairs on the valency shell of the central atom .
Out of this 4, oneis lone pair of electrons and other three is bond pair electrons.So it is in trigonal
pyramidal geometry..
According to periodic properties Theatomic radius is increases .pdf
According to periodic properties Theatomic radius is increases from top to bottom and
decreases fromleft to right .
Cs+is at IA group lastbutone in that group .So the radius of that ion is having more.
And the remaining elements S andSe2+ comes under same group.They are having more
radiusthan F .
Among the S and Se2+ , S ia having small radius than Se2+.becausein groups size of the ion is
increases.
The priority Order is
Cs+ > Se2+> S > F
Fluorine got number 1 . and Cs+got number 4
Solution
According to periodic properties Theatomic radius is increases from top to bottom and
decreases fromleft to right .
Cs+is at IA group lastbutone in that group .So the radius of that ion is having more.
And the remaining elements S andSe2+ comes under same group.They are having more
radiusthan F .
Among the S and Se2+ , S ia having small radius than Se2+.becausein groups size of the ion is
increases.
The priority Order is
Cs+ > Se2+> S > F
Fluorine got number 1 . and Cs+got number 4.
Why does one would like all of this social control stuff the most g.pdf
Why does one would like all of this social control stuff? the most goal is to avoid redundancy in
your knowledge. Redundancy will result in numerous anomalies once you modify your
knowledge. each truth ought to be keep just one occasion and you ought to grasp wherever to
seem for every truth. The social control method brings order to your file. you choose to evolve to
bound rules wherever every truth is keep.
Nowadays the go-to traditional types ar either the Boyce-Codd traditional form (BCNF), that
we\'ll cowl here these days, or the third traditional type (3NF), which can be coated later. (Yes,
there are the primary, second, fourth, fifth traditional type. We’ll mention them later.)
The Boyce-Codd traditional type
A relative schema R is taken into account to be in Boyce–Codd traditional type (BCNF) if, for
each one among its dependencies X Y, one among the subsequent conditions holds true:
X Y could be a trivial useful dependency (i.e., Y could be a set of X)
X could be a superkey for schema R
Informally the Boyce-Codd traditional type is expressed as “Each attribute should represent a
truth concerning the key, the total key, and zilch however the key.”
Solution
Why does one would like all of this social control stuff? the most goal is to avoid redundancy in
your knowledge. Redundancy will result in numerous anomalies once you modify your
knowledge. each truth ought to be keep just one occasion and you ought to grasp wherever to
seem for every truth. The social control method brings order to your file. you choose to evolve to
bound rules wherever every truth is keep.
Nowadays the go-to traditional types ar either the Boyce-Codd traditional form (BCNF), that
we\'ll cowl here these days, or the third traditional type (3NF), which can be coated later. (Yes,
there are the primary, second, fourth, fifth traditional type. We’ll mention them later.)
The Boyce-Codd traditional type
A relative schema R is taken into account to be in Boyce–Codd traditional type (BCNF) if, for
each one among its dependencies X Y, one among the subsequent conditions holds true:
X Y could be a trivial useful dependency (i.e., Y could be a set of X)
X could be a superkey for schema R
Informally the Boyce-Codd traditional type is expressed as “Each attribute should represent a
truth concerning the key, the total key, and zilch however the key.”.
We know that absorbance , A = log ( Io It ) Where Io = intensity.pdf
We know that absorbance , A = log ( Io / It )
Where Io = intensity of incident light
It = intensity of transmitted light = 3 % ofIo
= 0.03 Io
Plug the values we get A = log ( Io /0.03Io )
= log (1/0.03)
= 1.52
Solution
We know that absorbance , A = log ( Io / It )
Where Io = intensity of incident light
It = intensity of transmitted light = 3 % ofIo
= 0.03 Io
Plug the values we get A = log ( Io /0.03Io )
= log (1/0.03)
= 1.52.
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n should be 5 here Calcium sulfate (or calcium su.pdf
n should be 5 here Calcium sulfate (or calcium su.pdf
Molarity = moles Litres of solution. Work out .pdf
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It looks like you have two molecules there. CH3C.pdf
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Why does one would like all of this social control stuff the most g.pdf
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- 1. How many ml of .20 M NaOh are required to neutralize 50.0 ml of .41 M HBr? M1 = molarity of HBr = 0.41 M : V1 = volume of HBr = 50.0mL M2 = molarity of NaOH = 0.20 : V2 = volume of NaOH By titration we have M1V1=M2V2 V2=(M1V1)/M2= (0.41*50)/0.20 = 102.5mL NaOH What is the pH of a solution to which 35.0 ml of .20 M HCl and 50.0 ml of .42M NaOH have been combined? Moles = molarity * volume Moles of HCl = 0.50M*(35/1000)L = 0.0175 mol HCl Moles of NaOH = 0.42 M * (50/1000)L=0.021 mol NaOH Moles of NaOH left in the solution = 0.021 - 0.0175 = 0.0035 mol NaOH Molarity of NaOH = moles of NaOH left/ total volume of the solution =0.0034/((50+35)/1000)L = 0.04 M pOH = -log[OH-] = -log(0.04)=1.40 pH + pOH = 14 pH = 14-pOH = 14-1.40 = 12.6 Hope it has help you.... !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Solution How many ml of .20 M NaOh are required to neutralize 50.0 ml of .41 M HBr? M1 = molarity of HBr = 0.41 M : V1 = volume of HBr = 50.0mL M2 = molarity of NaOH = 0.20 : V2 = volume of NaOH By titration we have M1V1=M2V2 V2=(M1V1)/M2= (0.41*50)/0.20 = 102.5mL NaOH What is the pH of a solution to which 35.0 ml of .20 M HCl and 50.0 ml of .42M NaOH have been combined? Moles = molarity * volume Moles of HCl = 0.50M*(35/1000)L = 0.0175 mol HCl Moles of NaOH = 0.42 M * (50/1000)L=0.021 mol NaOH Moles of NaOH left in the solution = 0.021 - 0.0175 = 0.0035 mol NaOH Molarity of NaOH = moles of NaOH left/ total volume of the solution =0.0034/((50+35)/1000)L = 0.04 M pOH = -log[OH-] = -log(0.04)=1.40 pH + pOH = 14 pH = 14-pOH = 14-1.40 = 12.6 Hope it has help you.... !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!