# Questions Asked onOctober 5, 2008

1. ## AP Chem

Combustion of 6.38 mg of ethylene glycol gives 9.06 mg CO2 and 5.58 mg H20. The compound contains only C, H, and O. What are the mass percentages of the elements in ethylene glycol?

2. ## Chemistry

Choose the true statements regarding the charge-minimized Lewis structure(s) of the BrO2- ion. (selet all that apply) a. There is only one charge-minimized structure for this ion. b. There are two charge-minimized resonance structures for this ion. c. The

3. ## math

the price p and the quantity x sold of a certain product obey the demand equation p=(-1/3)x + 100 o is < or equal to x < or equal to 300 A) express revenue R as a function of x b) what quantity x maximizes revenue.

4. ## Chemistry

I need help with these two problems: At a given pressure and temperature, it takes 4.55 min for a 1.5 L sample of He to effuse through a membrane. How long does it take for 1.5 L of H2 to effuse under the same conditions? A gas-filled weather balloon with

5. ## Project Management

Case Study: Calcutta's Metro In 1996, Calcutta’s long-waited metro finally opened to a collective sigh of relief from the long-suffering population of this large Indian city. Critics had long derided the project a one of the “slowest-moving” public

6. ## Project Management

Case Study: The Dulhasti Power Plan Begun in 1985, the Dulhasti Power project, set in the northern Indian provinces of Jammu and Kashmir, represents an example of a disaster in project cost estimation and delivery. As initially conceived, the project’s

7. ## AP Chem

Calculate the number of atoms in 32.0 g Br2. I keep getting 1.20 * 10^23 atoms Br2 but my book says i'm wrong.

my physics teacher asked the class to find a cool physics topic and write a summary and a reflection on it 1page.... any ideas im really stuck

Rearrange the equation : d=v2t - 1/2at(squared) to solve for a

10. ## math

Name 2 ways decimals are used in everyday life

11. ## trig

a ship has maintained a bearing of 47 degrees. ( a bearing is the angle measured clockwise from due north) a) how far has the ship sailed if it is 200 miles north of its original position? b) how far east of its original position is the ship? c) if the

12. ## math

The greater of two numbers is 1 more than twice the smaller. Three times the greater exceeds 5 times the smaller by 10. Find the numbers. The second of three numbers is 1 less than the first. The third number is 5 less than the second. If the first number

13. ## chemistry help

A 265 g aluminum engine part at an initial temperature of 2.00°C absorbs 84.5 kJ of heat. What is the final temperature of the part (c of Al = 0.900 J/g·K)?

14. ## thermochem

An unknown volume of water at 18.2°C is added to 27.0 mL of water at 36.7°C. If the final temperature is 23.5°C, what was the unknown volume? (Assume that no heat is lost to the surroundings; d of water is 1.00 g/mL.)

15. ## AP BIo

IF a core is cut from a carrot and the hole is filled with corn syrup and sealed by a glass tube and then suspended in pure water, what would happen to the cells adjoing the hole, to the epidermal cells? Also, what will happen to the level of the liquid in

16. ## health

the three things that describe and difine what enviorment is ?

17. ## Science

How is density expressed

18. ## french

I have to write a paragraph in french about who i am where i live and what pets i have,my name is Harry White I am 12 years old I live in Buckingham and have 2 dogs 5 cats how on earth do I write that in french

19. ## AP Chem!

Hey, I have a test tomorrow in ap chemistry on gases. My teacher said that the test would be many open ended questions that are sort of like "explain what happens when a balloon is lowered into 77degrees C of liquid nitrogen and why" Can you guys give me

20. ## math

im in grade 7 and ihave amath question wallet a contains 36 coins of quarters and loonies in the ratio 2:7 Wallet b contains 36 coins of quarters and loonies in the ratio 1:3 Wallet c contains 36 coins of quarters and loonies in the ratio 1:5 which walllet

21. ## chemistry-thermochemistry

A student mixes 85.7 g of water at 68.0°C with 50.7 g of water at 24.5°C in an insulated flask. What is the final temperature of the combined water

22. ## US History-- URGENT

2. Which original political party appeared to have the broader or more democratic base of support? I said the Democratic-Republicans had a broader base of support bc they wanted protection of their basic rights for the common people. There were more common

what is the central human tradgedy of the Iliad? what is its most important theme?

24. ## algebra

factor completely x^2+6xy+8y^2

25. ## algebra

The base of a triangle is 4cm greater than the height the area is 48cm^2 find the height and the length of the base

what is nickel's state of matter at room temperature

27. ## math

Write the ratio of 4 1/3 to 6 in simplest form.

28. ## Chemistry

The color change of the bromothymol blue with water is caused by carbon dioxide from your breath. How can you test this hypothesis? Need answer immidiately.

29. ## History- the civil war

I am anti slavery what are the differences in the 2 sides that fought in the civil war? I mean, was one side anti slavery and the other not? Because the question asks "if you were to fight in the civil war, for for which side would you fight and why"?

30. ## algebra

5x=7+4y 20x-16y=28 how many solutions are there for the system of equations? Infinitely many solutions No solution. two solutions or three solutions?

31. ## math 116

a water line is given by the equation y = - 2/3x - 12 . Suppose you want to put a pink flamingo lawn ornament in your backyard, but you want to avoid placing it directly over the water line, in case you need to excavate the line for repairs in the future.

32. ## algebra 2

Pete and Kathy are standing at home on a softball field. Pete starts walking up the third base line at the rate of 6 feet per second. At the same time, Kathy starts jogging up the first base line at the rate of 10 feet per second. In how many seconds will

33. ## college physics

a golfer rides in a golf cart at an average speed of 3.10 meters/sec for 28.0 sec. she then gets out of the cart and starts walking at an average speed of 1.30 m/s. for how long in seconds must she walk if her average speed for the entire trip, riding and

34. ## american history

ok im doing a crossword puzzle on the constitution info...i'm doing 11th grade history and i just need 2 answers left... the 1sr is , powers of both the state and federal governments (but the third letter is s) ..2nd is and anti federalist (during the

35. ## anatomy

can any tell me of a website that will give me info on abnormal Urinalysis test, describe and name possible results and indicate the disorders that these abnormal results may suggest ?

36. ## PSAT HS

How do i start studying for the PSATs which are in 1 week and a half?

How do you calculate the velocity of a quarter dropped from a tower after 10 seconds?

38. ## World History

How did the Magna Carta and the Bill of rights lead to a change in goverment.

39. ## sociol studies

plse help me 12 the ____ islands were added to the united states in 1898 but never became a state. 14 queen liliuokalani attempted to prevent these islands from becoming part of the united states. 5. a central american country dominated by the u.s 10. He

40. ## Physics

Two men lifted a total mass of 653.2 kg approximately 4 in. off the ground a total of 24 times. Estimate the total mechanical work done by the two men in lifting the boat 24 times, assuming they applied the same force to the boat during each lift. (Neglect

41. ## science

what is silicon?and what is it used for

42. ## math

I don't know if this answer is right so i am trying to check it here maybe if any could help The function f(x) = |x| - x 4 has a graph that is symmetric with respect to the y axis right?

43. ## Math- Rational Functions

1. Some rational functions have asymptotes, others have holes, and some have both. Explain how you can identify, without graphing, which graphical features a rational function will have. Can someone explain this thoroughly ? I don't understand. thanks in

What is a simplified reprsentation of reality? It is either a model,table,variable,or an inquiry. Does anyone know the answer?

45. ## college physics

an automobile starts from rest and accelerates to a final velocity in 2 stages along a straight road. each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.0m/s^2. the magnitude of the car's velocity at the

46. ## college Math Word Problem

The mass of Uranus is about 8.7x10^22 metric tons. The mass of the sun is about 1.998x10^27 metric tons. About how many times the mass of Uranus is the mass of the sun? Give your answer in scientific notation.

47. ## Project Selection

If cost and rate of return were the only determining factors in the selection of a project, which one would you agree is the best selection? Scoring model: project 1: Score = 22 project 2: Score = 28 NPV analysis: project 1: \$60,995 project 2: \$25,695

48. ## math

Write a proportion that is equivalent to the statement: If 3 gallons of gasoline cost \$5.37, then 8 gallons will cost \$14.32.

49. ## Science

how do you calculate if a block of wood dropped form a tall building has attained a velocity of of 78.4 m/s, how long has it been falling?

50. ## Project Management

Evaluating the Two Methods of Risk Analysis Explain how the results in both quantitative and qualitative analysis are used in both recommending moving forward with a project and planning a project. • Analyze and explain the difference between qualitative

51. ## latin

is there a site that i can practice simple sentence translations, where it will give the answer if i am wrong?

52. ## math 116

I thought I knew this stuff but now I'm starting to wonder. I've tried several times but I haven't been able to figure this out. there is also a diagram showing a water line where the y intercept is crossing over (0,-12). the question is Q: what is the

53. ## math 116

1) you are planning to spend no less than \$6,000 and no more than \$10,000 on your landscaping project. Q1: write an inequality that demonstrates how much money you will be willing to spend on the project. A1: 6,000 greater than > and equal = to 10,000 Q2:

54. ## Math Problem

The slope of the "secant line" between the points (2, 5) and (x, x 2 + 1) in simplified form is, what?

55. ## thermochemistry

Calculate the amount of heat liberated (in kJ) from 374 g of mercury when it cools from 83.7°C to 19.1°C.

56. ## calculus

Let C be the curve which is the intersection of the half-cone S1 = {(x,y,z)|z=sqrt(x^2 + y^2} and the paraboloid S2 = {(x,y,z)|2z=3-x^2-y^2}. Find C. a)Make a 3-D sketch to show S1, S2, and C b) Show that at each point on C the normals to these two

57. ## history

describe the connection between student unrest and the vietnam war

58. ## college - phonetics

how do you transcribe the "th" sound in "SLP language"?

59. ## Environmental Science

We are being asked to identify reasons that an article is or is not science using the list of 8 characteristics of science. What are the 8 characteristics of science?

60. ## american history

i'm in a highschool american class and were learning about the constitution time.. who was an antifederalist of this time and what is the name of powers kept by both the state and federal governments

61. ## history

what items would you carry on a trip in the 15th century?

62. ## English

In the concluding paragraph of an essay, is the thesis supposed to be restated at the beginning of the paragraph or at the end?

63. ## microecomomics

When deriving an individuals demand curve how do you find the optimal bundle if you are only given: price of 2 goods and income. i.e- price of wine: \$35 price of beer: \$12 Income= \$419

64. ## language arts

please explain how to make the word fireman possessive

65. ## Honors Biology

The inability of defensin to function in high-salt environments is at least partly responsible for the pathology of this disease. Imagine that you are the director of a biotech company that specializes in manufacturing human proteins by producing them in

66. ## Accounting - Adjusting Entries

\$750 of insurance expense needs to be accrued. It was originally recorded as prepaid insurance. Do I just debit prepaid insurance and credit insurnace expense for \$750?? My other problem is adjustment was made to record interest expense on bonds payable

is there physics in football

69. ## Ap chemistry

I'm taking ap chemistry also! I was just wondering about how much space they give you on an ap chemistry test the Multiple choice section, is it enough space for work? Do they give you scrap?

70. ## algebra

Can you help me figure out this? 7+3x=5x+13

71. ## communication

How will you apply the knowledge you have gained about effective business communication in your current or future job and college courses?

72. ## pysical science

Write a letter to persuade a friend that a change in temperature does not necessarily mean that a chemical change has occurred .

73. ## paging Writeacher

I actually would like to voice a concern (or rather complaint) regarding your contribution to the english-chariots of fire movie discussion thread that was originally started by Martha. I would like to continue that conversation. with you. Please refer to

im not procrastinating i really don't understand it. im not asking for the answers im just asking for a little more help??

75. ## World History

How are the Assyrian and Phoenician empires alike?

76. ## us history

What changes were brought upon by the Progressive Era?

77. ## History

What are some solutions to the issue of slavery? all I can think of is protesting against it. is that good? what other solutions can help the issue?

78. ## Algebra II

for the line, y=-3x-2; list 5 possible solutions (ordered pairs)

Group the following words into categories:allegory,fable,slogan,tactics,Spontaneous Demonstrations,rebellion,second class,first class,comrade,fairy story,prose,poem,indoctrination,propaganda,commandment,cryptic,morose,loyal,frugal,sunday

80. ## Science - Chromatography

I performed a TLC of plant pigments in my lab class with a solvent of petroleum ether/ acetone (7:3) and used a silica gel plate. It is expected that the most polar pigments (chlorophyll) will be located near the bottom and the carotenoids near top. In my

81. ## AP Chemistry

I think this is a units issue, i keep getting the wrong answer. the formula should be rate1/rate2= (molar mas 2/ molar mass1)^1/2 but every time i do it, i get it wrong, and when i do rate1/rate2= (molar mas 1/ molar mass2)^1/2, i get the right answer. It

82. ## Chem/Physics

Are there two ways of calculating the average kinetic energy of a molecule? Ik that 1/2mv^2 works but for this problem, i don't know the mass or the velocity....

83. ## science

*what are Required government, societal, and global support for air pollution. *Benefits and challenges of air pollution do you know any sites I can find these answers at?

84. ## Law

Which activities are governed by the Canadian Charter of Rights and Freedoms and which are not? Describe the distinction.

85. ## anatomy

what kind of cells would form a scar on the head after cancer had been removed.

86. ## math

solve for the unknown 2/3 over 10=1.8 over x

87. ## MATH

The slope of the "secant line" between the points (2, 5) and (x, x 2 + 1) in simplified form is, what?

88. ## PRE CALC

The x-intercept of the graph of f(x) = sqrt(x - 1) - 2 is (5, 0)

89. ## language

does anyone know of an expression with the word thigh in it

90. ## Science

what if you don't know the height of the tower to calculate the avg. velocity?

91. ## math

solve for unknown 8 over 52= x over 39

92. ## music

How do you do ledger lines they are super confusing

93. ## MATH

what is the domain of f(g(x)) If f(x) = 3x + 2 and g(x) = x/(x- 2) How do I do this problem?

94. ## Chemistry/physics

Are there two ways of calculating the average kinetic energy of a molecule? Ik that 1/2mv^2 works but for this problem, i don't know the mass or the velocity....

95. ## science

I need to find the term for this statement: process by which substances pass in and out of cells

96. ## sociol studies

im srry i know i already asked about some things but i cant figure out thes two 8. minor c. keith provided financial service to this country in return for long term leases 13. this said that cuba must allow the u.s to establish naval bases there is the

97. ## math 116

suppose you want to add a sprinkler system, and the location of one section of the sprinkler line can be described by the equation y = - 1/2x - 4 complete the following table: x y (x,y) ? -1 ? -2 ? ? ? -4 ? 2 ? ? 8 ? ? my answers: x y (x,y) -1.5 -1

98. ## Social Studies

Which statement is true about Africa? (A) It has 2 large deserts. (B) Most most people live in southwest. (C) Most of the worlds people live their. (D) It is about 3 million square miles in size.

99. ## SATs

I am taking the SATs soon and i feel like i have a lot of reasources, but i don't have enough time to study all of it, how do i condense? What is the most important i think my best section would be math, then writing, then reading.. (i don't think sending

100. ## Healthcare

Need some help with some consequences of seperating mental health from physical healthcare. Also some other services(social and health) might be needed by mental ill

101. ## science

Can some one help me with the simpsons controls and variables worksheet please,

bob where r u !!!

103. ## Honors Biology

The inability of defensin to function in high-salt environments is at least partly responsible for the pathology of this disease. Imagine that you are the director of a biotech company that specializes in manufacturing human proteins by producing them in

104. ## algebra

how do i figure this out step by step? 3x-7=5x+13

105. ## Science

I need help determining what impact the following has on force: The factor of 2 is added to force and the mass is cut by 1/3. Can anyone help me? Tahnks!

106. ## Math

rewrite y=x^2+2x-5 into the form y=a(x-h)^2+k, and state the maximum or minimum value of y and the value of x when it occurs.

107. ## psychology

What was the first experiment in which B.F. skinner tested the theory of operant conditioning? Details on the experiment? Any help would be appreciated. =)

108. ## Current events

Does anyone know pakistan's current position on russia/georgia, the environment,and the status of permanent refugees?

109. ## Health

I'd like to improve vision. What can we do to improve eye sight? Would you let me know how? website address as well.

make the shape.use your pattern-block template.

111. ## Introduction to database design

Given the following complicated business rules, create the appropriate Crow’s Foot ERD. (50 points) a. A store may place many orders. (Note the use of “may”) b. An order must be placed by a store. c. An order contains at least one order line. d. Each

112. ## Health

Is it not good for health to eat soup all the time? Responses Health - Ms. Sue, Sunday, October 5, 2008 at 8:55pm Why not? Homemade soup with fresh meat and vegetables is healthy. Canned soups usually don't provide the nutrients and have far too much salt.

113. ## science

how can a solution be separated?

114. ## algebra HEEEEEEEEEEEEEEEEELPPP!!!!!

given two points one a line (8,1) and 10,8) find the x intercept and y intercept PLEASE HELP!

115. ## algebra

give the slope for the following lines: y+2=0 and x-3=0

116. ## Economics

How has today's economy affected the airline industries?

117. ## Calculus-partial derivatives

Let Z = f(u,v) where u=xy^3 + e^3 and v = (x^2)y. Obtain expressions for Zx and Zy in terms of fu and fv. I don't understand the "in terms of" part. How do I do this question? thank you

Social Studies I'm looking for some information about the Minnesota Zoo. I want to know some history about it for my ABC Notebook. I have my pictures and letter colored but I just need the information next.

119. ## science- here is the worksheet someone help me

Smithers thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (in this case, they're supposed to staple a set of papers). Group A is given the special juice to

120. ## college

Controlling Irrational Fears After 9/11* We present this selection as an example of a fairly well-reasoned argumentative essay. There is more here than arguments—there’s some window dressing and you’ll probably find some slanters here and there as

121. ## Science

Cells make tissue and tissue makes what?

122. ## Misc./Project/Art

Hello, I need to come up with a very creative way to express who I am to a certain group of people. Unfortunately, I'm not very good at art, so I would have to come up with a new way. Are there any ideas you might have? Thank you very much for your help.

when Muslims settled in Spain, they adopted the local religion and customs.

124. ## math

logarithms solve for x 5^(x-1) = 9

125. ## Chemistry

Why do gases behave in a less ideal manner when in LOW TEMP. AND HIGH PRESSURE?

126. ## college

Explain the logical distinction between valid and true and deduction and induction

127. ## calc

Let C be the curve which is the intersection of the half-cone S1 = {(x,y,z)|z=sqrt(x^2 + y^2} and the paraboloid S2 = {(x,y,z)|2z=3-x^2-y^2}. Find C. a)Make a 3-D sketch to show S1, S2, and C b) Show that at each point on C the normals to these two

128. ## math

what does ^ mean?

129. ## English: what's the formal term for...?

"Leave readers hanging" -- how can I say this phrase in formal?

130. ## Science

how do you calculate the average velocity of a quarter dropped from a tower after 10 seconds?

131. ## MATH2

Given f(x) = 4x 2 + 2x - 1, the simplified form of the difference quotient, [f(x+h) - f(x)]/h is, what?

132. ## Group

I just need small activities to bring to the class. Like matching questions and answers, small group discussion, what else?

133. ## Healthcare

Can healthcare professionals who provide mental health care integrated with other systems of care?

134. ## history 5

What was the predominant view concerning the relation between humans and the divine?

135. ## math 116

suppose you want to add a sprinkler system, and the location of one section of the sprinkler line can be described by the equation y = - 1/2x - 4 complete the following table: x y ? -1 -2 ? ? -4 2 ? 8 ? my answers: x y 6 -1 -2 -3 12 -4 i still get 12 for x

136. ## Health

Is it not good for health to eat soup all the time?

137. ## college - physics

was wondering if someone can help me out. Question: a jet has a length of 59.7 meters. The runway on which the plane lands intersects another runway. The width of the intersection is 25m. the plane decelerates through the intersection at a rate of 5.70

138. ## World History

How are the political systems of the Persian Empire and Greece alike?

139. ## governmnet

does anyone know what the ap exam for gov and pol is like?