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2010
July

Questions Asked on July 24, 2010

How do you know if these solutions are acidic, basic, or nearly neutral?a. NH4NO2 b. Cr(NO3)3
1. 2 answers
2. asked by Jin
3. 6,569 views
What volume of 4.50M HCl can be made by mixing 5.65M HCl with 250 mL of 3.55M HCl?
1. 2 answers
2. asked by casey
3. 5,491 views
What is the formula mass of ammonium phosphide, (NHsubscript4)subscript3P?85.0 u 49.0 u 48.0 u 57.0 u I thought I was to look
1. 1 answer
2. asked by Sam
3. 3,548 views
The standard heat of formation of solid ammonium nitrate. NH4NO3 is -330kJ/mol. The equation that represents this process is:a)
1. 2 answers
2. asked by Bobby
3. 3,372 views
Let x be a random variable representing dividend yield of Australian bank stocks. We may assume that x has a normal distribution
1. 2 answers
2. asked by Clay
3. 3,223 views
Which of the following would involve the largest production of heat per mole?a)the burning of gasoline b)the evaporation of
1. 1 answer
2. asked by Christian
3. 2,863 views
A resistance box has the following components and tolerances:10 resistors each of 100k§Ù ¡¾ 0.05% 10 resistors each of
1. 1 answer
2. asked by ong
3. 2,778 views
A 0.20 kg ice cube at 0.0° C has sufficient heat added to it to cause total melting, and the resulting water is heated
1. 1 answer
2. asked by kristin
3. 2,457 views
Listerine mouthwash has 21.6% ethyl alcohol by volume. What mass of ethanol is contained in 20.0 mL of mouthwash ?! ( the
1. 2 answers
2. asked by Nicole
3. 2,378 views
4Al + 3O2 ---> 2Al2O3How many moles of Al2O3 are produced when 4.33 moles of Al are reacted?
1. 2 answers
2. asked by jae
3. 1,880 views
you plan an experiment to test the growth of beans using three different fertilizer. What are the dependent and independent
1. 1 answer
2. asked by Diane
3. 1,734 views
Ngata Corp. issued 12-year bonds 2 years ago at a coupon rate of 8.4 percent. The bonds make semiannual payments. If these bonds
1. 1 answer
2. asked by Christina
3. 1,469 views
Bond X is a premium bond making annual payments. The bond pays an 8 percent coupon, has a YTM of 6 percent, and has 13 years to
1. 0 answers
2. asked by Anna
3. 1,393 views
An aluminum rod is 10.0 cm long and a steel rod is 80.0 cm long when both rods are at a temperature of15 degrees cel. Both rods
1. 0 answers
2. asked by Paul
3. 1,366 views
Use elimination to solve the the system of equations given by 10x-4y=-20and 10x-5y=35. I can't figure this one out. Whenever I
1. 3 answers
2. asked by Lily
3. 1,297 views
Is "sharpening a pencil" more of a physical change than souring of milk, fermenting of grape juice or rusting of iron?Thanks
1. 3 answers
2. asked by Kris
3. 1,276 views
Determine the roots of the function f(x)=-2cos(3x)-1. Can you please show all the work so it is easier to understand, thank
1. 4 answers
2. asked by Nada
3. 1,273 views
True or False?1) Do Nuclear changes generally absorb more energy than chemical changes. 2) In Exothermic reactions, the
1. 0 answers
2. asked by Christian
3. 1,257 views
Compare and contrast Populism and Progressivism. From what distinct groups of society did the two groups emerge? What was at the
1. 3 answers
2. asked by Heather
3. 1,199 views
a) Determine the equation of a sine function that would have a range of {y€R|-7<(or equal) Y <(or equal) 1} and a period of
1. 2 answers
2. asked by Nada
3. 1,155 views
The values of Ksp for AgBr and AgCl, are 7.7x10^-13 and 1.6 x 10^-10. A solution containing a mixture of 2.0x10^-2 M Br and 2.0
1. 1 answer
2. asked by Jin
3. 1,094 views
Both Bond Sam and Bond Dave have 9 percent coupons, make semiannual payments, and are priced at par value. Bond Sam has 3 years
1. 1 answer
2. asked by Tom
3. 1,088 views
4Al + 3O2 ---> 2Al2O3When 1.75 moles of Al are reacted, how many grams of Al2O3 are also reacted?
1. 1 answer
2. asked by jae
3. 1,085 views
the base of a triangle is 5cm greater than the height. The area is 33cm^2. What is the height and the length of the base?
1. 1 answer
2. asked by Armelia
3. 1,085 views
Let z be a random variable with a standard normal distribution, P(-1.9<=z<=2.1)
1. 1 answer
2. asked by Clay
3. 982 views
I had this on a test, not sure how to do itExplain, using balanced chemical reactions with the smallest integer coefficients,
1. 1 answer
2. asked by Jin
3. 978 views
What is Delta H degrees for the gas-phase reaction below?CH4+ CL3 = CH3CL+ HCL Bond dissociation energies of CL-CL, C-CL, H-CL,
1. 1 answer
2. asked by Christian
3. 963 views
Fine Breads Inc. paid out $26,000 common dividends during 2005, and it ended the year with $150,000 of retained earnings. The
1. 1 answer
2. asked by tricica
3. 915 views
Discuss the issues facing African-Americans from the 1870s to the Great De pression. Be certain to discuss demographic factors
1. 5 answers
2. asked by Heather
3. 881 views
In a certian lottery, 4 differnt numbers between 1 and 11 inclusive are drawn. These are the winning numbers. A player selects 4
1. 1 answer
2. asked by Jaime
3. 876 views
This branch of psychology is primarily concerned with what can be readily seenand recorded: (Points : 1) Cognitive psychology
1. 5 answers
2. asked by Sapna
3. 780 views
A resistance in a circuit is 470§Ù ¡¾ 10%. When a meter with a full-scale voltage of 25V and error of ¡¾ 3% is used to
1. 0 answers
2. asked by ong
3. 743 views
Can someone help with com 220 wk6 day 6-subject-Global warming: Write a 350 word paragraph that uses one of your arguments and
1. 4 answers
2. asked by jay 2
3. 741 views
the following names are incorrect,draw their structures and supply the correct name.(a)2-isopropylpentane
1. 2 answers
2. asked by kabelo
3. 740 views
Difference between Atomic spectrum and emission spectrum. First give me the clear cut definition of both and then the
1. 10 answers
2. asked by Akashdeep Singh
3. 724 views
A solution is made by dissolving 10.9 g of calcium chloride, CaCl2,in enough water to make exactly 500 mL of solution. What is
1. 1 answer
2. asked by Shelia
3. 717 views
A 0.1 M solution of acetic acid is titrated with 0.05M solution of NaOH. What is the pH when 60% of the acid has been
1. 1 answer
2. asked by eric
3. 691 views
Select a company and country that interests you.You have been asked to evaluate the country you selected as a potential market
1. 1 answer
2. asked by mee
3. 691 views
For some reason I can not get my head around probability. Please show me how to work the problem not just the answers.A class
1. 3 answers
2. asked by Jaime
3. 690 views
What point is a solution to the system of inequalities y(inequality arrow pointing right)4x and y(inequality arrow pointing
1. 2 answers
2. asked by Lily
3. 679 views
Pick a company that pays dividends, then calculate the expected growth rate of your company using the CAPM.Once this task is
1. 1 answer
2. asked by Sam
3. 670 views
The molar enthalpies of combustion of CH3COCOOH(l)CH3COOH(l) and CO(g) are respectively -1275kJ/mol, -875kJ/mol, and -283kJ/mol.
1. 1 answer
2. asked by Bobby
3. 658 views
Height difference. A red ball and a green ball aresimultaneously tossed into the air. The red ball is given an initial velocity
1. 0 answers
2. asked by joyce
3. 630 views
On average, how far is a molecule of air in the room in which you're sitting from the nearest molecule of air to it, assuming it
1. 1 answer
2. asked by eric
3. 628 views
I have a problem that I'm wondering is a "trick" question.How many nucleons are there in an atom of 235 (atomic mass) over 92
1. 1 answer
2. asked by Jean
3. 610 views
7.50gram quantity of a diprotic acid was dissolved in water and made up to exactly 250ml. If 25ml of this solution were
1. 3 answers
2. asked by Jin
3. 601 views
What is the measure of the point angle for a star-shaped polygon with 8 points and a dent angle of 130 degrees?Is there a
1. 0 answers
2. asked by Jaime
3. 600 views
Cooper Inc's latest EPS was $4.00, its book value per share was $20.00, it had 200,000 shares outstanding, and its debt ratio
1. 0 answers
2. asked by tricica
3. 592 views
which is a valid generalization based on the information in the chart
1. 1 answer
2. asked by kevin
3. 578 views
We flush our HPLC column with methanol followed by filtered deionised water and finally with mobile phase(ammonium acetate +
1. 1 answer
2. asked by Minnie
3. 575 views
I need to create a multiculture lesson plan, I was thinking that I would try and do one during the christmas season with
1. 1 answer
2. asked by Sally
3. 571 views
plz check this.1. In preparing a budget for a day care center, you must plan for taxes. As an employer, you must pay part of
1. 1 answer
2. asked by Tina
3. 566 views
I am to describe how the differences (of human history in North America during the 8000bc era and the asia euriasia and europe
1. 3 answers
2. asked by Kali
3. 556 views
Write a 200-300 word description of the four time value of money concepts: present value, present value of an annuity, future
1. 0 answers
2. asked by Chris
3. 554 views
how does geography affect the economy of Asian countreis???????? and give any picture of that which will support my eassy
1. 1 answer
2. asked by sandeep
3. 551 views
lnx+ln(x+1)=ln12Find all real-roots
1. 1 answer
2. asked by Kris
3. 548 views
If I want to live in the state of California in the future, there is one concern that I have.Since most of California's major
1. 1 answer
2. asked by AL 92
3. 545 views
what product will form from dehydration of 2-methylcyclohexanol?
1. 2 answers
2. asked by dede
3. 543 views
I would really appreciate help with the following, as I don't understand how to work it. Thank you in advance for explaining it
1. 3 answers
2. asked by Jean
3. 538 views
Selling shirts. If a vendor charges p dollars each forrugby shirts, then he expects to sell 2000 � 100p shirts at a tournament
1. 0 answers
2. asked by bobbi
3. 537 views
-6q^2 -40q - 50 how do you solve this i am factoring and having problems
1. 2 answers
2. asked by joyce
3. 534 views
The four elements of weather are:
1. 1 answer
2. asked by Diane
3. 533 views
Let triangle ABC be a triangle such that angle ACB is 135 degrees.Prove that AB^2 = AC^2 + BC^2 - (Root 2) x AC x BC
1. 0 answers
2. asked by eric
3. 513 views
are food science and technology too broaad for a research?im going to talk about their differences
1. 5 answers
2. asked by anonymous
3. 510 views
Factorise:a^4 + b^4 + c^4 - 2 (a^2 x b^2 + a^2 x c + b^2 x c)
1. 0 answers
2. asked by eric
3. 503 views
* What is the difference between lobbying and bribery?* What argument could the SLOC members make that the payments made do not
1. 2 answers
2. asked by Shay
3. 501 views
Ok so I kind of forgot how to do this so I looked up on the internet and was told divide the coefficent in the numerator of the
1. 1 answer
2. asked by Kate
3. 498 views
Selling shirts. If a vendor charges p dollars each forrugby shirts, then he expects to sell 2000 � 100p shirts at a tournament.
1. 0 answers
2. asked by joyce
3. 497 views
I'm stuck on this problem please help mefind the range of this equation y = (x^2 - 4)/(x^2 - x - 12) I know that it is
1. 0 answers
2. asked by Kate
3. 493 views
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 7 9 9 0 5 6 1 4well it's on this page just CTRL+F
1. 7 answers
2. asked by Kate
3. 492 views
In what timeframe do you see things changing in pharmacy practice and how will those changes impact society. this is part of my
1. 2 answers
2. asked by Nancyg
3. 490 views
Let triangle ABC be a triangle such that angle ACB is 135 degrees.Prove that AB^2 = AC^2 + BC^2 - (Root 2) x AC x BC
1. 0 answers
2. asked by eric
3. 488 views
in the ques they got a squaredivided in 2 each block has the number 4 in it and there r 4 block thats the 1st ques. the other 1
1. 1 answer
2. asked by neill
3. 467 views
The sales tax rate in a state is 8%. If you pay a tax of $2.50 on an item purchased, what is the selling price?Plaese identify
1. 1 answer
2. asked by barb
3. 467 views
How come no one is answering any of the Finance questions?
1. 1 answer
2. asked by tricica
3. 460 views
y = (x^2 -4)/(x^2 - x -12)dy/dx of numerator I got 2x dy/dx of denomenator I got 2x - 1 dy/dx of y I got (x^2 - 16x
1. 1 answer
2. asked by Kate
3. 455 views
Complete the ordered-pair solutions for the following equation.x/3 + y = 15 S = {(0, ), (3, ), (6, )
1. 1 answer
2. asked by april
3. 455 views
Yes I was trying to find the rangey = (x^2 -4)/(x^2 - x -12) ok using 2(4 +/- sqrt(15) ) sorry I forgot the minus in the
1. 1 answer
2. asked by Kate
3. 453 views
2independant alternators. probabalitity one will fail in a 1 hour flight is .02 what is the probablility both will
1. 1 answer
2. asked by Peg
3. 444 views
i have two questions 1)7,000,000 picoseconds how many microseconds 2) determine how far electricty travels in 7 microseconds.
1. 3 answers
2. asked by Anonymous
3. 442 views
how many grams of water will react with 600.0 grams of carbon dioxide?
1. 1 answer
2. asked by Anonymous
3. 422 views
In the book Stange Objects written by Gary Crew what is the description of Chsrlie Sunrise? What does he look like? Who is he?
1. 0 answers
2. asked by Gabbey
3. 418 views
determine whether 9 is the solution of the equation 7(x-2)=50
1. 2 answers
2. asked by Norma
3. 417 views
A sample of gas has a volume of 5.3 L at 7.00 ºC. What volume will the gas have if the temperature isincreased to 14.00 ºC? (6
1. 1 answer
2. asked by Anonymous
3. 410 views
Simplify:2/1! - 3/2! + 4/3! - 5/4! + ..... + 2010/2009! - 2011/2010! Where k! is the multiplication of all numbers up to k (e.g.
1. 1 answer
2. asked by eric
3. 405 views
Can a car climb over ramp of slope of 1m vertical to 2.4m horizondal
1. 0 answers
2. asked by sonu
3. 380 views
-4/5 + (-3/4) how do I work this? Will the answer be positive or negative? Please help me!!!!!
1. 1 answer
2. asked by barb
3. 368 views
ABCx C ____ 16BC _____ What could the value of C be?
1. 1 answer
2. asked by Jasmine
3. 359 views

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