Shell

Popular questions and responses by Shell
1. 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

2. 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?

3. Math

A piece of cardboard measuring 11 inches by 12 inches is formed into an open-top box by cutting squares with side length x from each corner and folding up the sides. Find a formula for the volume of the box in terms of x V(x)= ? Find the value for x that

4. Math

Solve the equation. Round to the nearest tenth if necessary. 1#: 7r - 7 = 2r +18 1. r= -5 2. r= 5 3. r= 2.2 4. r= 1.2 _____________________________________________________ Solve the equation. Round to the nearest tenth if necessary. 2#: 2x + 12 = 18 - x 1.

5. Spanish

Usa ORACIONES COMPLETAS para completar estas actividades. (9) 1. ¿Tiene buena pinta? Escriba un párrafo de 4-5 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

6. Math

If 1700 square centimeters of material is available to make a box with a square base and an open top, find the largest possible volume of the box. Volume = ?

7. 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

8. 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

9. Accounting

1. Partially Correct Check My Work Problem-Solving Strategy Problem 16-1 (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

10. marketing

13) The main difference between a marketing strategy and a marketing plan is that: A. Time-related 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

11. 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?

12. physics

'perpetual motion' is ruled out of the realm of possibility because of which law of thermodynamics?

13. Physics

So, how much horsepower would a Challenger SRT® Hellcat Redeye Widebody need to tow the SS Delphine up the industry standard: Davis Dam Grade Climb? Pro Tips Davis Dam assumed grade = 7% Air density is sea level conditions (.002377 slugs/f^t3) w(weight)

14. math

6x2y2 + 3x2y – 4xy2 + 5x2y – 2x2y2

15. 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?

16. 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.

17. 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

18. 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

19. Math

How do you find x+3=-2 ?

20. 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

21. 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

22. 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)

23. 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

24. 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

25. 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?

26. 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

27. 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?

28. 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?

29. math

Hi I need some help with this math problem..... x - 3/4= 5/6

30. 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

31. College Physics

What is the work required to move a proton 1 cm along the 7 volt equipotential line?

32. 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??

33. 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

34. gr 12 chem

evidence indicates that copper is paramagnetic, but zinc is not. Explain the evidence.

35. 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

36. Psychology

compare and contrast the psychoanalytic, humanistic, and diversity views of human motivation

37. 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

38. 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

1. Algebra 1

The answer if there is a 2-inch border would be 8x-16 Step by Step: 2(2x) + 2(2)(x - 4) Multiply 2 times 2x and 2 times 2: 4x + 4 (x - 4) Use Distributive Property to multiply 4 times x and 4 times - 4 (negative 4): 4x + 4x - 16 Then add like terms, 4x

posted on March 12, 2020
2. Physics

Thank you!

posted on November 26, 2019
3. Math

I got an A+!!! Thank you Ms. Sue!!

posted on November 23, 2019
4. Algebra

posted on February 5, 2016
5. Math

posted on October 21, 2012
6. Math

Variables, X=first, (fixed) rate y=second, rate(/minute) t=time of call z=total cost Equation, z=x+((t-1)*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

Hugo: 12-9=3years 62-56=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
8. algebra

x cannot be negative, so only one of the two possible number for x is correct.

posted on October 21, 2012
9. college alegebra

....ok, maybe it's not easy... >.<

posted on October 21, 2012
10. 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
11. 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
12. 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
13. Algbera

48,49

posted on June 1, 2012
14. Algebra 1

4x+5y=4, 8x+10y=8

posted on October 30, 2011
15. math substitution method

solve by using the substitution method. 5x-3y=-25 4x+34=y

posted on October 14, 2011
16. Chemistry

25.1 degrees celsius

posted on May 19, 2011
17. 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
18. College Physics

I'm not sure how this is zero?

posted on September 19, 2010
19. Organic Chemistry

The order of the elements; the position of the nuclei?

posted on September 6, 2010