Sunday
October 26, 2014

Posts by Amber


Total # Posts: 1,154

Physical Chemistry3
The specific volume of water is given quite accurately by the empirical relation ln(v) = −6.7081 + 1.01257 ln(T) + 280.663/T Use this relation to derive an equation for the coefficient of thermal expansion and determine the temperature at which this quantity is ...
September 29, 2008

Physical Chemistry3
The specific volume of water is given quite accurately by the empirical relation ln(v) = −6.7081 + 1.01257 ln(T) + 280.663/T Use this relation to derive an equation for the coefficient of thermal expansion and determine the temperature at which this quantity is ...
September 29, 2008

Physical Chemistry
A 3 mg sample of an unknown ideal gas is subjected to an adiabatic and mechanically reversible expansion from an initial pressure of 2 atmospheres to a final pressure of 300 torr. Given that gamma for the gas is 1.532 and that the temperature drop achieved in the expansion is ...
September 29, 2008

math
You have been appointed by the new executive director to chair a committee of agency administrators charged with (1) conducting an inventory of the agency’s various services and activities, (2) recommending a program structure, and (3) recommending responsibility center ...
September 27, 2008

AP US History
Analyze the extent to which the American Revolution represented a radical alteration in American political ideas and institutions. Confine your answer to the period 1775 to 1800.
September 24, 2008

Finance/Investing
A comic book was purchased for 10 cents in 1948 and is now worth $55 today. What has been the average annual compound rate of return on this item? I tried to use the formula R=[(y/x)^(1/n)]-1 and I come up with a negative answer. Please help!
September 21, 2008

11th grade
where can i find a simple map of the original 13 colonies showing french and spanish territories
September 21, 2008

math
why is the mean of a set of data sometimes a number not included in the set of data
September 15, 2008

algebra 1
Cesar threw a 3 on the number cube and moved forward three spaces. He landed on a space that said:"Take a card." The card said:"Go back 5 spaces." Where is Cesar in relation to his starting position before he rolled the number cube?
September 12, 2008

algebra3
use a calculator to find the decimal form of the rational number. if it is a nonterminating decimal, write the repeating pattern.
August 11, 2008

computer
read page 511 of your understanding computers
July 27, 2008

Chemistry
Still lost. How do you convert mols NO to mols O2?
July 24, 2008

Chemistry
4 NH3 + 5 O2 --> 4 NO + 6 H2O. How many grams of O2 are required to product 90 g of NO? Please assist in solving.
July 24, 2008

Chemistry
I solved it now. Thanks
July 24, 2008

Chemistry
Magnesium nitride can be produced by passing nitrogen gas over magnesium metal. 3Mg+N2 --> Mg3N2 IF 28.8g of Mg are mixed with 21g of N2 and allowed to react, which is the limiting reagent?
July 24, 2008

history
which choice does NOT accuartely complete the sentence the judiciary act of 1789 A. appointed the first chief justice B. created federal circuit and federal districat courts C. helped federal laws remain "the supreme Law of the Land" D. provided for the number of ...
July 22, 2008

music
Is the sonata-allegro form still being used today?
July 5, 2008

English
This question is about the book "The Importance of Being Earnest". Gwendolen’s father, Lord Bracknell, never appears in the play, yet Lady Bracknell mentions him often. What picture of his life and marriage do we get from the things she and Gwendolen say about ...
June 7, 2008

chemistry
A solution of potassium chloride has a pH of 7.81.What is the [OH-] in mol/L ? Can you please show steps I would appreciate it very much. Thank you
May 25, 2008

finance
It’s been two months since you took a position as an assistant financial analyst at Caledonia Products. Although your boss has been pleased with your work, he is still a bit hesitant about unleashing you without supervision. Your next assignment involves both the ...
May 19, 2008

medical records
please check my answer thanks you very much A medical should be completed within how many days after a pt is discharged A 30 B 35 C 60 D 15 E none of the above I picked D
May 10, 2008

JCAHO
please check my answer According to JCAHO standards, the delinquency rate for incomplete medical records should be no greater than 20% I said True
May 10, 2008

english
what happens to the three men that Odysseus sends to scout out the land?
May 6, 2008

Math
Thanks
April 24, 2008

Math
At Kinko's, Sean made 56 copies costing $16. Color copies cost $0.75 each and black and white copies cost $0.10 each. How many copies of each did Sean make? Thanks!!
April 24, 2008

5TH GRADE MATH NEED HELP ASAP
can you help me with my math factoization
April 22, 2008

Algebra
divide: (39w+ 14 + 10w squared) / 72+ w =]
April 22, 2008

biology
how many chromosomes do bacteria have?
April 21, 2008

biology
am writting about the evolution of our understanding of DNA as genetic material. suggest good website so that i can read more. thanks
March 30, 2008

psycology
what is the role glutamate
March 23, 2008

psychology
what is the role glutamate in memory
March 23, 2008

Honors Eng. 10
Beowulf~ How are the religious beliefs of the Germanic tribes evident in Beowulf. How does Beowulf demostrate comitatus and wanderlust. Is Beowulf the ultimate representation of good, and is Grendel the ultimate representation of evil. What are Beowulf's Christian and ...
March 20, 2008

ENERGY
WHAT HAPPEN WHEN A CANLE IS AIGHT
March 12, 2008

Biology
Ok i have three questions that i can't find anywhere... 1. Carbon dioxide and water are excreted here during exhalation. 2. Structures in the skin which excrete water. salts, and some urea. 3. Removes toxic substances from the blood and converts excess amino acids to urea...
February 17, 2008

History
what caused starvation of germans during world war 1
February 12, 2008

english
what did the line "this was the most unkindest cut of all" reveal about julius caesar?
February 11, 2008

chemical bonding
what are the four factors that influence chemical bonding?
January 29, 2008

chemistry
How do I solve this question using dimensional analysis? An auto engine has a displacement of 1.6 liters. What is it in cubic cent. and in cubic in.? What is dimensional analysis and how to I convert liters into cubic cent. and cubic in.?
January 23, 2008

science
all the parts are involved but certain parts make it more wataganlistic
January 21, 2008

Science
no im soo confused i need help wanna
January 15, 2008

Algebra
on a canoe trip, Rita paddled upstream (against the current) at an average speed of 2 mi/hr relative to the riverbank. on the return trip downstream (with the current), her average speed was 3 mi/hr. find rita's paddling speed in still water and the speed of the river'...
January 14, 2008

Algebra
suppose you invest $1500 in equipment to put pictures on t-shirts. you buy each t-shirt for $3. after you have placed the picture on a shirt, you sell it for $20. how many t-shirts must you sell to break even? dealing w/- subst. and elimin.
January 14, 2008

Algebra
Your teacher is giving you a test worth 100 points containing 40 questions. There are 2-point and 4-point questions on the test. How many of each type are there. dealing w/-subst. and elimin.
January 14, 2008

Algebra
An airplane traveled 1092 miles with a tailwind, turned around and returned 1092 miles against the same wind to its starting point. The trip with the wind took 6hrs and the return flight against the wind took 8hrs. Find the speed of the plane and the wind. dealing w/- subst. ...
January 14, 2008

Algebra
thanks! its just really confuses me how to set up the different types of story problems.
January 14, 2008

Algebra
Your cable television company offers two plans: basic service with one movie channel for $35 or basic with two movie channels for $45. What is the charge for basic cable and for a movie channel? dealing- subs. and elimin.
January 14, 2008

Algebra
A chemist needs to mix a slution containing 30% insecticide with a solution containg 50% insecticide to make 200L of a solution that 42% insecticide. How much of each solution should she use? dealing with- graphing, subst., and elimin.
January 14, 2008

Algebra
your supposed to solve my graphine. subsitution or elimination
January 14, 2008

Algebra
ok this is really confusing me 1. Leo held a garade sale. He priced all the items at a dim or a quarter. His sales totaled $23.95 for 139 coins. How many dimes and quarters did he have?
January 14, 2008

science
what formula for figuring the change in heat energy from specific heats of various substances?
January 3, 2008

sci
Explain the four factors that produce changes in population size.
December 19, 2007

social studies
what are the impacts of industrialization on the world
December 16, 2007

sci
Although most salamanders have four legs, the aquatics salamander shown below resembles an eel. It locks hind limbs and has very tiny forelimbs. propose a hypothesis to explain how limbless salamanders evolved according to Darwin's theory of natural selection.
December 13, 2007

chemistry
write out the reaction, predicting products where applicable. Zinc metal is added to a solution of copper(II) sulfate. Copper metal is produced and zinc sulfate is left in solution.
December 10, 2007

math
how many licks does it take to get to the center of a tootsie pop?
December 9, 2007

social studies
tax
December 8, 2007

SPELLING PLEASE help
We think it's slimmer no offence Micheal but thank you anyways WE LOVE YOU ROCK ON NEW YORK CITY!!!!!!
November 27, 2007

SPELLING PLEASE help
Thank you SO SO much!!!! Signed, Amber and Alyson
November 27, 2007

SPELLING PLEASE help
the prob is: middle : center :: thinner : s _ _ _ _er
November 27, 2007

Spelling
ty ty ty
November 13, 2007

Spelling
ty bob
November 13, 2007

Spelling
k so what i cant figure out is Not simple but c _ m _ l _ _ Not uknown but f_ _ _ _ _ Not the base of the mountain, but the _ _ m m _ _
November 13, 2007

Spelling
I also cannot figure out Not uknown but f_ _ _ _ _ Not the base of the mountain, but the _ _ m m _ _
November 13, 2007

Spelling
I am doing opposites and I cannot figure this one out Not sumple, but c_m_l__
November 13, 2007

trigiometry
what is the basic unit in trigiometry
October 29, 2007

history
How were ehtnic groups in the Central African region distinguished?
October 29, 2007

History
Why were the swahili traders in teh east a threat to King Leopold's Congo?
October 29, 2007

History
explain how the European desire for profit affected the people of the Congo.
October 29, 2007

Math
number models
October 26, 2007

CONTEMPORARY BUSINESS COMMUNICATION
whats the difference to an informative email vs a positive email?
October 24, 2007

Math
hi I need some help trying to get the factors of 120 and 210 can you help me? And i need some help bad in divison can you help with that to?
October 17, 2007

Social Studies
Thanks, its so hard to find good information thats actually true!
October 17, 2007

Social Studies
Does anyone know any good websites where I could find information on the Concentration Camps in Europe during WW2? Thanks
October 17, 2007

7 words beginning with Out
What are 7 words beginning with out
October 9, 2007

Religion
What do catholics do to live up to their name as "catholic"?
October 8, 2007

4th grade math
Nancy had 23 books > her Dad bought some books and gave Nancy all but three of them... Expression please?
October 1, 2007

4th grade math
Susan had 24 stamps. She used some of them to mail letters. How do I write an expression from that?
October 1, 2007

mathematics 1
27/96?...idk =/
October 1, 2007

Physics
If a 20 kg object fell to the surface of the Earth from a height of 30m, what would its final velocity be? (work this problem from the energy standpoint.) Should you get the same answer as you did in question 3? how do you work out this problem?
September 23, 2007

History
Who were the Civil War's Unsung Heroes?
September 19, 2007

math
is (-1, 5) a soultion for each system? x + y = 4 x=-1 can someone please explain how to solve this? thanks.
September 16, 2007

history
The first humans who migrated to North America came on what?
September 16, 2007

written communication
Speak with clarity, be organized, deliver a good amount of your particular information, you are on point without straying from the message and that's all I know.
September 11, 2007

communication
What kinds of unwanted reactions might you encounter when trying to convince the business committee to accept your proposal for a new service?
September 11, 2007

Infant and toddler
You can also enrich them by reading books(make sur to have books that have BIG letters and sound them out)Listening to a variety of music is a good alternative too (such as Polka, Opera, Jazz, New World would probably put them to sleep ha.)
September 11, 2007

Infant and toddler
Types of infant/toddler centers teach these activites. Search online for them to see what hospital or doctor's office is close by you.
September 11, 2007

Physical Science
Thank you so very much
September 11, 2007

Physical Science
2?
September 11, 2007

Physical Science
It would be 2 because 2x2 is 4..which equals the total number of the coefficient on the left. So the coefficients on the right have to equal the total numbers of coefficients on the left?
September 11, 2007

Physical Science
There are 2 H atoms on the right. Now we have to balance them. Do we add a 4 by the H?
September 11, 2007

Physical Science
Oh.
September 11, 2007

Physical Science
I see 1 N on the right. So it is unbalanced.
September 11, 2007

Physical Science
I see 1 N on the left. And then on the right side, I see N2 so I put a '2' by the N on the left.
September 11, 2007

Physical Science
Yeah, easy for you to say! ;( NH4NO3-->N2O+H2O 2N 2(H4)2?NO3-->2NO+H2O I tend to overthink a lot...I make it harder than it seems.
September 11, 2007

Physical Science
Oh thank you! You were a bunch of help.
September 11, 2007

Physical Science
I have no idea then.. I'm lost.
September 11, 2007

Physical Science
So would HNO3 become 3HNO?
September 11, 2007

Physical Science
Pb(NO3)2+HCl-->PbCl2+HNO3 Pb(NO3)2+2HCl-->PbCl2+HNO3 I'm not sure. Long ones are a bit more difficult.
September 11, 2007

Physical Science
Balancing Equations Al+N2-->AlN NH4NO3-->N2O+H2O Pb(NO3)2+HCl-->PbCl2+HNO3
September 11, 2007

9-11
A new building will be finished by year 2012 in place of the World Trade Center.
September 11, 2007

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