Shell
Most popular questions and responses by Shell
Law of Multiple Proportions
Two elements, R and Q, combine to form two binary compounds. In the first compound, 14.0 g of R combines with 3.00 g of Q. In the second compound, 7.00 g of R combines with 4.50 g of Q. Show that these data are in accord with he law of multiple
asked on November 14, 2006 
Organic Chemistry
Why does the loss of a proton from cyanic acid yield the same anion as that obtained by the loss of a proton from isocyanic acid?
asked on September 6, 2010 
Spanish
Usa ORACIONES COMPLETAS para completar estas actividades. (9) 1. ¿Tiene buena pinta? Escriba un párrafo de 45 oraciones para describir la foto encima de esta pregunta. Use una variedad de vocabulario y verbos. (5) Answer 2. ¿Te gusta la idea de comer
asked on June 21, 2014 
Finance
An insurance company is offering a new policy to its customers. Typically, the policy is bought by a parent or grandparent for a child at the child's birth. The details of the policy are as follows: The purchaser (say, the parent) makes the following six
asked on March 8, 2013 
gr 12 chem
evidence indicates that copper is paramagnetic, but zinc is not. Explain the evidence.
asked on March 30, 2010 
marketing
13) The main difference between a marketing strategy and a marketing plan is that: A. Timerelated details are included in a marketing plan. B. A marketing strategy omits pricing plans. C. A marketing strategy provides more detail. D. A marketing plan
asked on August 9, 2011 
chemistry
How many grams of potassium hydrogen phthalate should be added to a 100 mL volumetric flask to prepare a 0.5000 M solution when the flask is diluted to the mark with water?
asked on May 19, 2011 
College Physics
What is the work required to move a proton 1 cm along the 7 volt equipotential line?
asked on September 19, 2010 
Chemistry
A 225 g sample of xenon is placed in a 15.6 L stainless steel vessel at 27.0°C. a. What is the pressure in the vessel? b. If the temperature is raised to 200°C, what is the pressure in the vessel? c. The air pressure outside the vessel is 1.00 atm. If
asked on May 19, 2011 
Chemistry
You are having a garden party and are preparing a punch bowl. You add one pound of ice at 20°C to 5.00 gallons of punch at 25°C. Since the punch is mostly water, you can assume it has the same specific heat as water. What is the final temperature of the
asked on May 19, 2011 
spanish
Are my answers correct? Use el adverbio TAN o una forma del adjetivo TANTO para formar frases de comparación en cada instante. 10. China es un país con mucha gente (1.300.000.000 personas). Aunque es más grande, Los Estados Unidos sólo tiene
asked on June 21, 2014 
Chemistry
Methyl linoleate is one of the common components of biodiesel. As an alternative fuel, Methyl linoleate reacts completely with oxygen (O2) to make carbon dioxide and water. Balance the chemical equation. How many kilograms of oxygen are required to react
asked on May 19, 2011 
Chemistry
Considering the emission of the hydrogen atom, a. what is the wavelength of the light emitted by the transition from n = 2 to n = 1. b. In what region of the electromagnetic spectrum does this radiation belong?
asked on May 19, 2011 
chemistry
A proton beam is made by accelerating protons in a high voltage electric field. The protons have a velocity of 2.75 x 107 m/s. What is the wavelength of the protons traveling at this very high speed?
asked on May 19, 2011 
Polynomials math
I need help setting up this problem or atleast if I am on the write track to solving it. The Jurassic Zoo charges $28.00 for each adult admission and $12.00 for each child. The total bill for 454 people from a school trip was $3860.00. How many adults and
asked on June 18, 2009 
math
You play a game in which two dice are rolled. If a sum of 7 appears, you win $10. Otherwise you lose $2.00. If you intend to play the game for a long time should you expect to make money, lose money or come out even?
asked on March 14, 2017 
english
There was one student still taking the exam when the bell rang. I need to find simple subject and complete subject. I know that "STUDENT" is the subject
asked on August 26, 2016 
Chemistry
Chalk is a soft, white, porous sedimentary rock, a form of limestone composed of the mineral calcite. Calcite is calcium carbonate, CaCO3. It forms under relatively deep marine conditions from the gradual accumulation of minute calcite plates (coccoliths)
asked on May 19, 2011 
Spanish 102, P,P&F Tense Essay
Please look over my short Essay. Past Present and Future tenses must all be used; topic is on activities of a week/ days surrounding I need to score well. Any corrections or advice is very much appreciated.
asked on August 9, 2014 
Chemistry
Preparing solutions a. A solution was prepared by dissolving 5.65 g potassium bromide in 32.67 g water. What is the concentration of this solution in weight percent? b. The solution was poured into a 100 mL volumetric flask and water was added to the mark
asked on May 19, 2011 
math
Hi I need some help with this math problem..... x  3/4= 5/6
asked on May 14, 2011 
Math
A farmer buys two varieties of animal feed. Type A contains ounces of oats and ounces of corn per pound. Type B contains ounces of oats and ounces of corn per pound. The farmer wants to combine the two feeds so that the resulting mixture has at least
asked on February 24, 2011 
College Chemistry
A 30.00 mL volume of a weak acid, HA, (Ka = 3.8 x 10^6) is titrated with 39.00 mL of 0.0958 M NaOH to the equivalence point. A.) What is the pH of the acid solution, before any base is added to it? B.) What is the pH of the acid solution after exactly
asked on April 13, 2010 
chemistry
Your 1.1 cubic foot GE microwave oven generates 1100 watts of microwaves at a frequency of 2.45 GHz. a. What is the wavelength of the microwave radiation being emitted? b. How many photons per second of microwaves are being emitted?
asked on May 19, 2011 
Personal Finance
Mary would like to save 10,000 by the end of 3 yrs from now she currently has 2500 in savings. she would like to make equal year end deposits to the savings. Account pays 8% interest. How much should the year end payments be
asked on February 16, 2008 
math/algebra
Can you explain pollynomials to me? i don't quit understand them... polynomials are expressions consisting of several terms that are separated by addition and/or subtraction. "poly" from the Greek means "many" e.g. x^+4xy + 12 is a trinomial, a subset of
asked on July 25, 2007 
Accounting
1. Partially Correct Check My Work ProblemSolving Strategy Problem 161 (Algorithmic) Statement of Cash Flows—Indirect Method The comparative balance sheet of Mavenir Technologies Inc. for December 31, 2013 and 2012, is shown as follows: Dec. 31, 2013
asked on April 21, 2012 
english
Any suggestions on punctuation, grammar and sentence structure? Springfield Homeless Camps and the Law The growing homeless population in Springfield Missouri is unavoidable. They are seen everywhere, especially in more populated towns and cities. As they
asked on November 22, 2011 
Math
How do you find x+3=2 ?
asked on November 17, 2011 
english
Any suggestions for corrections? It’s The Little Things In my line of work, my passion for helping others can often times be a thankless job. Once in a while, in the midst of pain, suffering, and chaos, I experience feelings that are in contrast to what
asked on October 31, 2011 
probability
a jar holds 20 red lollys, and 30 blue lollys. if you draw a lolly without looking, what is the probability that it is a red lolly??
asked on August 18, 2010 
Psychology
compare and contrast the psychoanalytic, humanistic, and diversity views of human motivation
asked on November 17, 2008 
physics
'perpetual motion' is ruled out of the realm of possibility because of which law of thermodynamics?
asked on May 12, 2008

Algebra
Answers to worksheet 63?
posted on February 5, 2016 
Math
define Variables, Grade#1=x Grade#2=y total cost=z a=pounds of Grad#1 b=pounds of Grade#2 write equation, z=ax+by Define values 12 pounds Grade1 and 10 pounds of Grade2 worth $54; 8 pounds Grade1 and 15 pounds Grade2 worth $61 Plug in values, isolate one
posted on October 21, 2012 
Math
Variables, X=first, (fixed) rate y=second, rate(/minute) t=time of call z=total cost Equation, z=x+((t1)*y) Values, 7minutes is $10, 4minutes is $6.40 Plug them in, isolate one variable, set them equal to each other, and solve for the remaining variable,
posted on October 21, 2012 
Algebra Grade 7
Hugo: 129=3years 6256=6inces 6 is what present of 56? 6 = x * 56 6/56=x 3/28=x x=0.10714286 the the nearest tenth, x=0.1 Interest: x=opening deposit y=interest rate (some decimal number or percent[which is then turned into a decimal]) $3262.50 over the
posted on October 21, 2012 
algebra
x cannot be negative, so only one of the two possible number for x is correct.
posted on October 21, 2012 
college alegebra
....ok, maybe it's not easy... >.<
posted on October 21, 2012 
college alegebra
Reiny, no, actually, the square root of anything is not always the positive. because if you multiply two negative numbers, you get a positive number. So, when you square root anything, you assume it is either the positive or negative of a number, because
posted on October 21, 2012 
math
Tina, Reiny is correct about the equation you are looking for, but the examples are not quite what you want. The directions tell you "in lowest terms" that means your fraction has been reduced the farthest it can go and still be a fraction, and not a
posted on October 21, 2012 
math
Your equation is correct, but your answer is not. Your number of Edges is you e variable. so you are looking for the "e" what you found is "e+2" As a general Rule with math equations, and you can do this before you put your numbers in, figure out what
posted on October 21, 2012 
Algbera
48,49
posted on June 1, 2012 
Algebra 1
4x+5y=4, 8x+10y=8
posted on October 30, 2011 
math substitution method
solve by using the substitution method. 5x3y=25 4x+34=y
posted on October 14, 2011 
Chemistry
25.1 degrees celsius
posted on May 19, 2011 
Math
A farmer buys two varieties of animal feed. Type A contains 9 ounces of oats and 2 ounces of corn per pound. Type B contains 5 ounces of oats and 10 ounces of corn per pound. The farmer wants to combine the two feeds so that the resulting mixture has at
posted on February 24, 2011 
College Physics
I'm not sure how this is zero?
posted on September 19, 2010 
Organic Chemistry
The order of the elements; the position of the nuclei?
posted on September 6, 2010