# Questions Asked onApril 27, 2008

1. ## chem again

Use Charles Law to solve for the missing value of each of the following a) 80.0 mL, T1= 27 degrees C, T2=77 degrees C. V2 =? b)V1= 125 L, V2=85.0L T2=127degrees C T1=? c) T1=-33degrees C V2=54.0mL, T2=160.0 degrees C V1=? can somebody help me with atleast

2. ## chem

In the trigonal bipyramidal geometry, which position- axial or equatorial- do nonbonding electrons prefer? why? I know its equatorial but I'm not exactly sure why

3. ## Chem question

gont get it.. To what temp must a sample of nitrogen at 27 degrees C and 0.625 atm be taken so that its pressure becomes 1.125 atm at constant volume i used the formula and it still gave me a weird answer

4. ## algebra

A certain population of bacteria doubles every 3 weeks. How long will it take for a population of 3,500 to triple?

5. ## geometry

if 6 oz of dough are needed to make an 8-in. pizza, how much dough will be needed to make a 16-in. pizza of the same thickness? (compare the areas of the pizza tops) i don't know what to do

6. ## Physics

A system undergoes a two-step process. In the first step, the internal energy of the system increases by 368 J when 144 J of work is done on the system. In the second step, the internal energy of the system increases by 24 J when 248 J of work is done on

7. ## accounting

do anyone have answers for exam 06160500 for penn foster

8. ## chem

how would you find the ratio of moles of copper produced to moles of iron used is the moles of iron used is .067 and the moles of copper produced is .01?

9. ## Critical Thinking

Address the following: What feedback did you receive from your instructor? From the peer reviewer? From the Center for Writing Excellence? Explain how you will incorporate the feedback into your paper. How will this feedback improve your expository essay?

10. ## geometry

An advertisement states that a Roto-Sprinkler can water a cicular region with area 1000 ft^2. Find the diameter of this region to the nearest foot. Use pi = 3.14.

11. ## Physics

Compressed air can be pumped underground into huge caverns as a form of energy storage. The volume of a cavern is 5.60 105 m3, and the pressure of the air in it is 8.40 106 Pa. Assume that air is a diatomic ideal gas whose internal energy U is given by U =

12. ## Physics

The artificial sweetener NutraSweet is a chemical called aspartame (C14H18N2O5). (a) What is its molecular mass (in atomic mass units)? 294.13 u (b) What is the mass (in kg) of an aspartame molecule? kg I was able to find the mass units but I'm having

13. ## Calculus

If you invest \$5000 in a stock that is increasing in value at the rate of 12% per year, then the value of your stock is given by: f(x) = 5000(1.12)^x, where x is measured in years a) find average value from x = 2 to x = 3 b) find instantaneous value at x =

14. ## Physics

Two blocks, with masses M1 = 1.4 kg and M2 = 9.9 kg, and a spring with spring constant k = 228 N/m are arranged on a horizontal, frictionless surface. The coefficient of static friction between the two blocks is 0.59. What is the maximum possible amplitude

15. ## algebra

simplifying exspreesions

16. ## Report

How did gangsters like Bonnie and Clyde and Al Capone escape from the police before bullet proofing their cars? And how did the bullet proof cars help them?

17. ## English/ Literature

I'm writing an essay for my class on the book the Lord of the Flies. I need some help thinking of a specific topic, however. Here's the assignment: think of how one of the novel's symbols adds depth and/or richness to its allegorical meanings. OR think of

for this question A sample of air has a volume of 140.0 mL at 67 degrees celcius. At what temperature would its volume 50.0 mL at constant pressure I did 140.0 ml... 67+273=340 T2... 50.0 140.0=50.0 340=T2 340*50.0/140.0=121.4 This question i don't get

19. ## psychology

jim examines the effect of type of music on task performance. Type of music represents which type of measurement scale

20. ## French

hi there, could anyone please proof-read this for me? many thanks! il y a cinq ans que j'ai vu un accident. il faisait beau, et ma parents et moi allions du supermarché. Ma père conduisait. Quand nous passé le feux de signalisation, nous avons voyions

21. ## chemistry

Why doesn't potassium ion K+ from KMnO4 appear in the following two unbalanced equations: MnO4– + C2O42– Mn2+ + CO2 MnO4– + Fe2+ Mn2+ + Fe3+ ? A. KMnO4 is not added to either reaction. B. The presence of K+ would result in a net positive charge in

22. ## chemistry

Light travels at a speed of 3.00 * 10 to the power of 10 cm/sec. What is the speed of light in Kilometers per hour?

23. ## English/ Literature

What's an unique and compelling thesis statement that i could create about the parachutist and the naval officer in the classic novel "lord of the flies"?

24. ## Statistics

Use the standard normal distribution to find P(-2.25 < z < 1.25).

25. ## chemistry`

What direct, non-fuel uses of petroleum are involved in the daily operation of a Hybrid? Please help I don't understand the question!

26. ## English

pronouns 16a. Anyone who requests a copy of the game may have it for their video library. 16b. Anyone who requests a copy of the game may have it for his or her video library. My answer is B. what type of pronoun is this? Thanks

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28. ## physics

An ideal gas at 18.5°C and a pressure of 1.54 105 Pa occupies a volume of 2.10 m3. (a) How many moles of gas are present? moles (b) If the volume is raised to 5.30 m3 and the temperature raised to 31.0°C, what will be the pressure of the gas? Pa I used

29. ## physics

In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0628 of the original volume and a pressure that is 48.2 times the original pressure. What is the temperature of the air after the compression? Ok I know I have the temputure of

30. ## Social Studies

Was Nixon the future U.S. president that played a major role in HUAC invesitagions and hearings?

31. ## chemistry

why is the formula written for an ionic compound such as NaCl the empirical formula,rather than a molecular formula?

32. ## English Grammar

1. He knifed a person last night. 2. He knives a person every year. 3. He knifes a person every year. 4. There are three knives on the table. Which one is incorrect among the four? Would you check the conjugation of the verb knife or the noun knife?

33. ## HELP

Why is water essential to health maintenance? o What are the functions of water in the body? o What happens to the body when it does not get the water it needs? o Compare and contrast how different electrolytes—sodium, potassium, and chloride—function

34. ## algebra

A rectangle is 16 inches wide and 20 inches long. If the length of this rectangle is changes, how many square inches of are are added for every inch in length that is added to this rectangle? Please show work.

35. ## math

find the slope of the line that contains A(2,3) and B(6,8)

36. ## math

1. find the y-intercept of the equation y= -3x -5 2. find the slope of the line that contains C(-2, -3) and D(4,1)

I have 3 calc problems that i have not been able to do please help me... i've been on here yesterday as well but no one was able to assist me with these particular ones... 1. If f(x)=5x^3–2/x-4 find f'(x)____ what i got was (4x^2+7x-12)/x^8 2. The

38. ## Essay!

how do i phrase a thesis statement about the background events that are occuring during the novel the lord of the flies? PLEASE HELP ME! :)

39. ## algrebra

show that b is inverse of a a=[-1 1 -3] [2 1 -1] [2 -1 4] b= [0 1 2] [-1 1 -2 ] [-1 0 1] i got ab = to [1 0 0 ] [0 1 0] [0 0 1] and for ba i got [1 0 -4] [0 1 8] [0 0 5] so there is not a inverse is this right

40. ## english

Pleae unscramble vrafos

I am writing an essay and our teacher would like for us to include opinions given by other people. Question: How should colleges manage their athletic programs in relation to their academic goals? Your opinions are greatly appreciated!!

these two paragraphs are from a paper I am writing for my international law class can someome please revise and let me know what you think. thanks Indeed, as it was customary, over foreign public vessels in its ports nation’s understood to waive the

43. ## Stats

The local lottery sets up a game wherein a player has a chance of collecting \$750. The player must choose a 3-digit number and if it matches, the player receives \$750 It costs \$1 to play the game. What is the expected profit (or loss) for each player.

The local lottery sets up a game wherein a player has a chance of collecting \$750. The player must choose a 3-digit number and if it matches, the player receives \$750 It costs \$1 to play the game. What is the expected profit (or loss) for each player.

45. ## math

3b-2/b+1=4-b+2/b-1

46. ## English

16a. Anyone who requests a copy of the game may have it for their video library. 16b. Anyone who requests a copy of the game may have it for his or her video library. What type of pronoun is this?

47. ## math

On the blueprint of Lauren's new office building, the scale is ¼ in. equals 1 ft. What will be the actual length of Lauren's office if it measures 4 in. long on the blueprint?

48. ## math

How do you convert a polar equation when its x squared+ y squared =10?

49. ## English TKAM

In the novel, "To Kill A Mockingbird," when did the courtroom scene take place? (time during the novel) Like what month and year

50. ## Pre Calc-decode matrix

help!-matrix size is 3x3 clues for the encoding matrix: 1. all entries are one digit and positive 2. a11, a12, a13 are all equal and prime, their sum is also prime 3.the sum of a11, a12, a13 is equal to a21 4. the sum of a22 and the opposite of a33 is

51. ## English

Need ideas for creating a future society. Laws, education, finding leaders, city plans, money. I have most of it done but need to add some more ideas. Thankyou.

52. ## English/ Literature

Ok I need some help getting started here's the assignment: Think of how one of the novel's symbols adds depth and/or richness to its allegorical meanings. (ie. the conch, the fire, Piggy's glasses, or the island itself). OR think of a conflict or

Hi, I'm suppose to be doing an essay on To Kill A mockingBird. On my intro paragraph, my last sentence has to be 'explicitly stated plan' , is this right? "I will provide evidence from the novel which show that the three characters mentioned above, fulfill

54. ## frogs

What is the finger like bodies of fat atttached to the testis. Stores enough food energy to alow the frog to hibernate during winter.

55. ## French

Hello, can someone please proof-read this for me? thanks. sigh,i can do the exercises in the grammar workbooks but when it comes to writting passages like this...i make so many mistakes it is not funny... could someone please point out the mistakes?

56. ## AED

determine which factors may explain that the most of the higher per-pupil expenditures are found in the Northeastern and upper Midwest states and the lower per-pupil expenditures are found in the South and West. what happens to create a balance in school

57. ## science

what are the abiotic enviromental factors of the Coelacanth? that's the only thing that i can not find please help! thanks

58. ## Statistics

The local lottery sets up a game wherein a player has a chance of collecting \$750. The player must choose a 3-digit number and if it matches, the player receives \$750 It costs \$1 to play the game. What is the expected profit (or loss) for each player.

59. ## Math

If 8x + 5x + 2x + 4x = 114, then 5x + 3 = a.12 b.25 c.33 d.47 e.86

60. ## math

im trying to take the derivative of this problem and plug in seven but im not getting the answer. s=t3–2t2–6t t> or equal to 0 where s is measured in meters and t in seconds. When does the particle reach a velocity of 7 m/s?

61. ## Elec. and Comm. Eng'g

This is my outline to my research paper. (Topic): The Importance of Networking in Selling Company's Product (Thesis Statement): Networking is the best way in selling company's product. I. What is importance of networking in selling company's product II.

62. ## English

Pronoun case for who and whom 23a. Jon Bon Jovi, who is a well-known singer and actor, also owns an arena football team. 23b. Jon Bon Jovi, whom is a well-known singer and actor, also owns an arena Please what is the correct answer? I chose (A).

63. ## ks3 music

for my homework i need to explain what a musical chord is and give an example of how to play it thankyou for your help

64. ## social studies

What is a flow chart?

65. ## Social Studies

What wer some of the key issues in the election of 1948?

66. ## English

What 20th or 21st century person is similiar to either Brutus, Ceasar, Cassius or Anthony from Shakespeare's play Julius Ceasar

67. ## science

Whicb moon would look the brightest from jupiter?

68. ## music

wot does conceps mean??? why do we have to learn them? I'm so confused into how i can learn this subject? Everone else can learn it dead easy? please help me with the music conceps?

69. ## AED

includes your description of the category of at-risk students you chose. I would I describe the poverty of the at risk students

70. ## Science

The question in the book says: A wave has a wavelength of 2mm and a frequency of 3 Hz. At what speed does the wave travel? I know the answer is 6, because the formula is Speed= Wavelength X Frequency, but I don't know how to write the final answer, it's

71. ## SCI 275

Write a 700- to 1,050-word paper in APA format that includes the following: o A brief description of the water resource problem in the video and how it originated. o A management and sustainment plan that you think will benefit both sides of the issue. o

72. ## arithmetic

Give the place value of 7 in 3,738,500.

73. ## Philosophy

1. What is Parmenides’ argument that change is an illusion? Explain the way in which Parmenides is using the philosophical method. How do Plato and Aristotle respond?

74. ## science

Where can I find a picture of a house that contains examples of things in a "green home". Not a real house a drawing.

75. ## Science.

What effect does water loss (through heavy perpiration) have on a person's endocrine system?

76. ## cultural diversity

Complete the matrix in appendix E using information from the Asian Pacific American Heritage Month press release on the U.S. Bureau web site

77. ## Calculus - Damon

hi sorry the first one was actually If f(x)=5x^3–2/ x^4 find f'(x)____ and for some reason the other two are wrong but thank you anyway

78. ## History

What would Eisenhower be remembered for?

79. ## Mathematics

Give the place value of 7 in 3,738,500.

80. ## English

I need to think of an exciting title for a newspaper article about a mad-dog. Could you help by giving me some words that might grab a reader's attention?

81. ## Chemistry

Which of the following is NOT TRUE? A. The blank for this experiment must have 100 % transmittance if placed in a spectrometer (Spec 20). B. The volume required to titrate the blank is subtracted from the volume used to titrate the analyte solution to give

82. ## General Knowledge

Characteristics of Contemporary Dating

83. ## English

Identifying antecedents 11a. The antecedent in the following sentence is Doctors: Doctors should schedule more time for patients so they do not spend so much time in the waiting room. 11b. The antecedent in the following sentence is patients: Doctors

84. ## English

Why and how could you apply critical thinking when evaluating each of the following: 1) articles 2) Media 3) Advertising 4) conversations. Please help, I'm lost for words to use.

85. ## history

summarize Luther's Protestant reforms and the church's reactions. explain the reasons behind the spread of Protestantism.

86. ## math

2x+1/3-x-5/4=1/2

87. ## math

-2/x-1=x-8/x+6

88. ## math

13x+16/4x-1+8xx+12x+14/4xx+11x-3=24x-8/x+3

89. ## math

6/x-7x/5=x/10

90. ## math

3x/x+1=12/xx-1+2

91. ## elecronics

how do you record on a cassette tape?everytime I click record, it won't record what I say?

92. ## math

The population is 2,253,291 in 2000 and 2,264,617 in 2001. What is the growth rate? Thanks!

94. ## environmental

economics ,social practices during the next 5 years wich do you think will have the most important impact on your used book business?why

95. ## chemistry

why are anions always larger than the atoms from which they are formed

96. ## AED

research one or more exemplary programs in your state, school district, and/or community that help meet the needs of the selected group of at-risk students. I live in Florida. The group i chose is poverty.

97. ## English Grammar

1. He ordered three pizzas. 2. He ordered three pizzaes. 3. He ordered three pizza. 4. He ordered thee pieces of pizza. Which one is correct?

98. ## sci275

I need help coming up with an environmental problem within energy conservation.