# Questions Asked onOctober 17, 2008

1. ## chem

A 25.0 g aluminum block is warmed to 65.2 C and plunged into an insulated beaker containing 55.3g of water initially at 22.0C. the aluminum and water are allowed to come to thermal equilibrium. Assuming that no heat is lost, what is the final temperature

2. ## chem

consider the following thermochemical equation for the combustion of acetone C3H6O(l)+4O2(g)---->3CO2(g)+3H2O(g) delta H rxn=-1790kJ. If a bottle of nail polish remover contains 179mL of acetone, how much heat would be released by its complete combustion?

3. ## Math Measurements

If the length (L) of the prism is 10 inches, and each rectangular face has a width (W) 2ã3 of inches, determine the total surface area of the prism in square inches. Round your answer to the nearest inch.

4. ## Math: Fractions

A group charters 3 identical buses and occupies 4/5 of the seats. After 1/4 of the passengers leae, the remaining passangers use only 2 of the busses what fraction of the seats on the two buses are now occupied? assume number of seats on all buses is 3x

5. ## Physics

A 4.60-m-long, 580 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 72.0 kg construction worker stands at the far end of the beam. What is the magnitude of the torque about

Hey i have a question regarding disproportionate reactions: Permanganate ions MnO4 reacts with oxalic acid, H2C2O4 in acidic aqueous solution, producing manganese(II) ions and carbon dioxide. The skeletal equation is MnO4^-(aq)+ H2C2O4(aq)--> Mn^2+(aq)+

7. ## Economics

Which of the following statements is true for a capitalist economy ?

8. ## Physics

Identical twins, each with mass 56.2 kg, are on ice skates and at rest on a frozen lake, which may be taken as frictionless. Twin A is carrying a backpack of mass 12.0 kg. She throws it horizontally at 3.50 m/s to Twin B. Neglecting any gravity effects,

9. ## Math

How do I solve these problems, I really need help. Solve by substitution method 6x+5y=17 x=53-8y Solve by elimination method 2x+3y=5 4x+6y=10

How many whole numbers are there between 99 and 1000?

11. ## math

i can't figure out this problem. the GCF of two numbers is 479. one number is even and the other number is odd. neither number is divisible by the other. what is the smallest that these two numbers could be?

12. ## English

1. He is rather an old man. 1-2. He is a rather old man. (Are both OK and grammatical?) 2. She is quite a good pianist. 2-2. She is a quite good pianist. (Are both OK and grammatical?) 3. I feel better than last night. (What is the postive degree of

13. ## Math

Hi guys, In the question "It is given that P (0, 3), Q(7, 5), R(9, -2) and S are vertices of a square. A circle A passes through the points P, Q, R and S. Find the equation of this circle. Hence or otherwise find the equation of circle B which is the image

14. ## problem solving

Please help me figure out how to solve this problem I have researched and racked my brain and still no luck.I don't think there is enough information givin. Problem In 1054, Chinese astronomers observed the light from a supernova in the night sky. This

15. ## math

Elena's daughter sold 120 boxes of girlscout cookies. She was told that this amount represented 5% of the troops sale. How many boxes did the troop sell?

16. ## physics

how much time does it take for a student running t an average speed or 5.00m/s to cover a distance of 2.00km?

17. ## Sociology

Hello, I need help finding statistics for this assignment. I have tried to google for some, but maybe I am doing this wrong. Here is the assignment: Compose a 200- to 300-word response to the following: o Explain urban growth trends in the world’s

18. ## COM 220

• Create a full-sentence outline that includes effective arguments and counterarguments to support your thesis. (Note: Outline only the body of your paper.) Remember to avoid bias and fallacies and to include rhetorical devices that strengthen your

19. ## philosophy

What is the distinction between deductive and inductive arguments? Give an example of each to make your explanation clearer.

20. ## Psychology

I am writing a paper and am stuck on one part can some give me an idea what i am needing. paper in which you analyze the function of emotions as motive. Be sure to address the following items on your analysis: This is the part I am stuck on Analyze at

21. ## MATH

in a scalene triangle, the measure of the largest angle is four more than two times the smallest and the other angle is two more than the smallest. what is the measure of the largest angle ? 4x + (2)2x +2x Am I going in the right direction with the above

22. ## math

A science workbook is 0.75 inches thick. How many workbooks will fit on a 2-foot shelf? what is the equation? estimation?

23. ## math logic

There were 1320 pumpkins in a pumpkin patch, but it was difficult for farmer Joe to find the perfect pumpkin. • Every third pumpkin was too small. • Every fourth pumpkin was too green. • Every fifth pumpkin had a broken stem. • Every sixth pumpkin

24. ## math logic

There were 1320 pumpkins in a pumpkin patch, but it was difficult for farmer Joe to find the perfect pumpkin. • Every third pumpkin was too small. • Every fourth pumpkin was too green. • Every fifth pumpkin had a broken stem. • Every sixth pumpkin

25. ## MICRO ECON

IS this true or False In a competitive pure exchange economy with two consumers and two goods, if one consumer has perfect complement preferences and the other has perfect substitutes then the contract curve is along the outer edge of the Edgeworth Box.

26. ## 6th gr GRAMMAR

why is : she is one of the few quaterbacks who (is/are) ready for prime time the answer is "are" why is that correct? shouldnt it be is because she is one=singular?

27. ## Math

Early in his career, Andrew Ellicott Douglass (1867-1962) noticed a connection between climate and the growth of plants. Studying this connection, Douglass was able to develop the science of dendochronology, a method for dating events and climate

Does anyone's organization use "food" as a motivator?

29. ## geoagrophy

im confused on week 3 pg geo on number 6 i need help ?

30. ## psy

Ms. Sue I need some data to help me discussed this question. How have you used the scientific process (unsystematic observation, building theories, and evaluating propositions) in your life to better understand your personality? Provide an example. I read

31. ## busines

Who was the leader in the Bidder's edge vs Ebay case

32. ## sci

Although most salamanders have four legs, the aquatic salamander shown below resembles an eel. It lacks hind limbs and has very tiny forelimbs. Propose a hypothesis to explain how limbless salamanders evolved according to Darwin's theory of natural

-7/8 + 5 1/2 x 11/15 In order of operations do I do 5 1/2 x 11/15 and then add the -7/8?

34. ## math

A science workbook is 0.75 inches thick. How many workbooks will fit on a 2-foot shelf? what is the equation? estimation?

35. ## ESSAY WRITING

I have to do an essay analysis and it's asking me for the topic sentence, supporting points, and a paragraph response. I have a few questions. topic sentence, how do you know which is the correct one? supporting points, is it in your opinion? and how would

36. ## english composition

i want to know how corruption is a curse

37. ## english essay

i want to know how "corruption is a curse"

38. ## Science

I need some information about the big bang theory. What website would be the best for information?

39. ## NOT SURE

can i have some facts on Barack Obama and John MaCain please

40. ## Science

Thank your for the information about The Big Bang Theory. Now can I have some information about Albert Einstein?

41. ## computers

My computer is not starting. When i remove connection & reconnect then only it will work. one beep is also i can listen. today i got one error msg before pc start fireware is detected n your pc memory is decreased. please suggest me solution.

42. ## Microeconomics

Monopolistic Competition The administrtive burden of regulating price in monopolistically competive market: A. small due to economies do scale B. large because price is usually below marginal cost C. large because of the large number of firms that produce

43. ## Reiny to Gina (logic)

I saw your reply re my late night solution to your pumpkin question http://www.jiskha.com/display.cgi?id=1224212047 I did indeed make two typing errors, which even though they do not change the actual answer, nevertheless would have caused confusion. I

44. ## PSAT format

For the reading section is the format part 1 vocab 2 short passages 1 long part3 vocab 2 short passages 2 short or is it the other way around

45. ## Chemistry

I'm looking at a protein in a 3D visualization program (PyMol). I have the full amino acid sequence list. How do I determine *where* there are hydrophobic interactions that are stabilizing the tertiary structure? I know what hydrophobic interactions are in

46. ## english

The square root of the lava lamp is champagne, and the ace of spades is tattooed on the wrist of the man who invented the poker chip. Assuming poker chips are round, what will this man's last words be?

47. ## Albegra word problem

PLEASE HELP!!!!! The length of a rectangle is fixed at 19cm what widths will make the perimeter greater than 70cm

48. ## Math

The length of a rectangle is fixed at 11 cm. What widths will make the perimeter greater than 76 cm?

49. ## math

A science workbook is 0.75 inches thick. How many workbooks will fit on a 2-foot shelf? what is the equation? estimation?

50. ## English

i have to do an essay analysis and it's asking me for the topic sentence, style of essay, supporting points, and a paragraph response. I have a few questions. 1. how do you find the topic sentence? 2. what's style of essay, and how do you find that? 3.

51. ## Natural Science

Discuss :The impact of technology in terms of cultural consumption. Answer: Technology is re-engaging people, bringing closer to each other more than ever. As the technology advances, people are interacting with one another from all over the world or

52. ## social studies

Who was an ancient Roman writer and historian who wrote about the great fire in Rome?

53. ## Physics

YOu are creating a transverse wave in a rope by shaking your hand from side to side. Without changing the distance that your hand moves, you begin to shake it slower and slower. What happens to the frequency? it decreases?? 2. For incomplete cancellation

It is a circle graph question. The city book club raised \$560 to buy books for the school library. The greatest amount of money come from a walk-a-thon. A crafts fair and a bake sale raised equal amount of money. The amount received from club dues was

55. ## philosophy

I am having big trouble! I was given a topic that I hav eto present, and reading it makes no sense to me. Postmodernism theory-I have to explain the M E A L: Metaphysics-what is real, Episttemology-what is true, Axiology-what is the value, and logic, what

56. ## Albegra

I have work this problem out F< 1544.5 F= 9/5 C + 32 9/5 C + 32 < 1544.5 9/5 c + 32 -32 < 1544.5 9/5 C < 1544.5 5/9 * 9/5 C < 5/9 (1544.5) Now my question to you is how do I rounded 1544.5 ?

57. ## history

who is grahamini

58. ## SOCIAL STUDIES

THE LEADER OF A TOWN OR A CITY IS THE : A)LEADER B)PRESIDENT C)MAYOR D)GOVERNOR

what is x-y=6

60. ## Need help please math

Soybean meal is 18% protein and cornmeal is 9% cornmeal, how much of each mixed together will you use to make a 360lb mixture that is 17% protein.

61. ## Management

Imagine that you are Bill Gates, the founder of Microsoft, and that you are constantly engaged in environmental scanning as part of the planning process. Explain briefly how you would go about doing it. Can you keep track of all aspects of the environment?

62. ## science

How did Gregory Mendel novel approach contribute to his success in describing how traits are inherited?

63. ## physics

A continuous stream of water is flowing out of a faucet and falling into a sink below. Explain why this stream of water is narrower at the bottom (near the sink) than at the top (near the faucet).

64. ## MATH

the word problem is stated exactly as this - the shaded area of the chart represents the number of Acme employees who bring their children to day-care centers before work.if there are 465 employees at Acme, how many do not bring their children to day-care

65. ## childhood ed.

A classroom activity that requires children to find their name cards at Circle Time or on the Daily Duties chart affords an opportunity for: A. the teacher to observe the child's active participation in classroom responsibilities. B. noting the child's

if -5

67. ## Night Vision

what are some dangers of using night vision?

68. ## history

What kind of reforms were inacted in Germany and Britian?

69. ## Philosophy

Create a political campaign ad (a poster, a flier, etc.) for two political parties: one party that supports traditional moral and political philosophies and another party that supports modern moral and political philosophies (modern vs. traditional

70. ## maths calculus

How to integrate (cos2x)^2?

71. ## Treasury securities and Inflation (URGENT)

How does inflation figure in when it comes to treasury securities?