# Questions Asked onJanuary 23, 2009

1. ## chemistry

Nitrogen (N2) and hydrogen (H2) react to form ammonia (NH3). Consider a mixture of six nitrogen molecules and six hydrogen molecules in a closed container. Assuming the reaction goes to completion, what will the final product mixture be? number of NH3

2. ## math

A water balloon is shot into the air so that its height h, in metres, after t seconds is h = —4.9t^2 + 27t + 2.4 a)How high is the balloon after 1 s? b)For how long is the balloon more than 30 m high? c)What is the maximum height reached by the balloon?

3. ## 3rd math

Write 35 divided by 7 in three different ways. What is the quotient? do they mean 35 divided by 5= 7 , 35 divided by 7= 5 or by sign?

4. ## chemistry

Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). The balanced equation is given below. C7H6O3 + C4H6O3 C9H8O4 + HC2H3O2 What mass of acetic anhydride is needed to completely consume 3.60 x 10^2 g salicylic

5. ## sci

o Description of difference between weathering and erosion. o Graphical representation of the following: · mechanical weathering · chemical weathering · water erosion · wind erosion · ice erosion · Include a References slide for the graphical images

6. ## French

Fill in the blank with either leur or leurs. Fabien et Christophe sont freres. Ils sont sans -----(leur) chambre. Ils ecoutent -----(leurs) disques. ----(Leur) collection de CD est surtout de la techno. -----(leurs) amies, Catherine et Emilie, aiment aussi

7. ## Physics 12 Review

End of the semester, working on the final review... I have a couple of questions I am stuck on right now. My notes on these questions seem to have vanished into the void... 1. "A 2.0kg puck travelling due east at 2.5m/s collides with a 1.0kg puck

8. ## math

Dental services. The national cost C in billions of dollars for dental services can be modeled by the linear equation C=2.85n+30.52, where n is the number of years since 1900 (Health Care Financing Administration,.a) find and interpret the C-intercept for

9. ## accounting

Can anyone tell me if this is correct and if not what I did wrong. Thank you Exercise 3-7 On March 1, 2003, a company paid a \$16,200 premium on a 36-month insurance policy for coverage beginning on that date. Refer to that policy and fill in the blanks in

10. ## chemistry

NH4HS(s)-> NH3(g) + H2S(g) What direction does the equillibrium shift when NH4HS is added? I think that the equillibrium won't shift since we are adding a pure solid and pure solids are not included in the equillibrium expression. Just want to make sure.

11. ## U.S. History

please check these: 1. The French and Indian War led to: a. a massive migration to Canada b. a weakening of colonial loyalty to Britain c. the end of Britain's involvement in colonial affairs d. an increased colonial dependence on britain i picked B 2. Why

12. ## math

(6) Which equation is equivalent to 4^-x=8? a. log8 4=x b. logx = -4 c. log -x 4=8 d. log 4 8= -x

13. ## 3rd math

Square each of these numbers. There's a square, on top is the number 5 and on the left side 5. Inside the square is a line?

14. ## accounting

Can anyone tell me if this is correct and if not what I did wrong. Thank you Exercise 3-7 On March 1, 2003, a company paid a \$16,200 premium on a 36-month insurance policy for coverage beginning on that date. Refer to that policy and fill in the blanks in

15. ## accounting

Can anyone tell me if this is correct and if not what I did wrong. Thank you Exercise 3-7 On March 1, 2003, a company paid a \$16,200 premium on a 36-month insurance policy for coverage beginning on that date. Refer to that policy and fill in the blanks in

16. ## chemistry

When ammonia gas is burned in oxygen the products formed are water and nitrogen monoxide gas. Write the balanced equation showing this reaction NH4 + O2 --> H2O + NO i am stuck balancing this

17. ## Math

Suppose that humans walk about 10,000 steps per day on average. Your average step is probably about 18 inches. If so, how many inches per day do you walk? How Many feet per day do you walk? How many miles per day do you walk, to the nearest whole number?

18. ## More french

Directions: Complete the sentences, choosing the correct possessive adjective. 1. (Mon, Ma, Mes) Tu as ------- livre de maths. Answer: Mon 2. (Notre, Nos) C'est ------- maison. Answer: Notre 3. (Leur, Leurs) Voila -------- enfant. Answer: Leur 4. (Ton, Ta,

19. ## ochem

Can you suggest some possible reasons for using a mixture of water and ethanol (1:1 mixture H2O/EtOH) as crystallizing solvent rather than using either pure ethanol or pure water?

What is keyhole painting? Could you help me with analysing an artwork. What information should I give.

21. ## science

The Smiths have four children, all girls. Their fifth child is a boy. Why did this change occur? A) the father' contribution of a Y chromosome. B) the conception classes taken by the parents. C) the mother' contribution of a Y chromosome. D) the timing of

22. ## math

What is \$600 invested at 9% interest, compounded quarterly, worth in 3 years? a. \$640.50 b. \$641 c.\$762 d.\$784

23. ## capitalization in book titles

Do you capitalize the word "in" or "on" in book titles? For example, if there was a book called "He Is in the Park", would you capitalize the word "in"? Thanks, Leo

24. ## Math

is this a direct variation? 5x + 2y = 9

25. ## algebra

(1) If the population of a city was 2 million in 1995 and growing at a rate of 6.4%, what will the population be in the year 2000? a. 2.5 million b. 2.7 million c. 10.64 million d. 43.6 million

26. ## college

what is a vague pronoun?

27. ## Journalism

Can someone tell me a website where I can find terms for broadcast journalism? Thanks

28. ## University of Phoenix

My Ethical Analysis is 1. Basic Ethical Decision Making Model Learning Team Ethical Analysis. In your Learning Team, identify a particular health care administrative ethics dilemma from the text, material provided to you by your instructor, or otherwise

29. ## Factor Completely

c^2 - 8c + 16 - y^2 (c + 4) (c + 4) (c + 4)^2 - y^2 (c +4 +y) (c + 4 - y) Is this correct?

30. ## Math 012 Help

I need help with this problem. I have to use the distributie property to write the expression without parantheses, then simplify if possible. It's been awhile since ive done this and I think i will understand once I see how it is written out. Thanks to

31. ## maths

List all the subsets(include the null set and the set itself. a) (p) b) (p,q) c) (p,q,r) d) (p,q,r,s) By the way the brackets are supposed 2 b the weird curly brackets.

32. ## algebra

The first three equations I have solved, I would just appreciate someone checking them over to make sure I'm doing them right. Find the GCF: 16x^2z ,40xz^2 , 72z^3 = 3^3z Factor our GCF: a(a+1) - 3(a+1) = a+1 Factor Polynomial: 9a^2 - 64b^2 =

33. ## math

find the first and third quartiles, Q1, and Q3, of the following numbers, 13,5,12,16,7,14,7,3,10,7

34. ## More French

Directions: Answer the following questions about myself and my family. 1. Votre maison ou votre appartement est grand(e) ou petit(e) Answer: Notre maison est grande. 2. Vous avez une voiture? Quelle est la marque de votre voiture? Answer: Oui, notre une

35. ## U.S. History

i need help with this quesiton How did the Nationalists regard Shay's Rebellion? a. as proof that the states had too little power b. as an example of how governments abuse their power c. as proof that only a strong national government could prevent social

36. ## World Religions

How does the faith of Judaism affect the everyday life f a believer?

37. ## sci

HELP PLEASE!!!! Write a 700-word paper in APA format that provides an overview of how plate tectonics affects sedimentation. Answer the following questions: o Where do sedimentary rocks originate? o How are they formed? o What are the three categories of

38. ## Education

List three factors that define teaching as a professional career.Elaborate on how these factors are employed by teachers on a daily basis.

39. ## Pre-calculus

Th weekly salaries of a sample of 100 recent graduates of a private women's college are normally distributed with a mean of \$600 and a standard deviation of \$80. Determine the interval about the sample mean that has a 1% level of confidence. Use t=2.58 Not

40. ## English

"So you're quite shook up about this then?" asked the detective. "And what did you think of that?" inquired the detective. "Where were you when they died?" questioned the detective. Okay, I need help with the dialogue. Is it correct the way it is thanks.

41. ## Chemistry

How would you name the compound P4?

42. ## french

I want to say "Yes, I obey my parents most of the time." in french. is this right? oui, j'ob¨¦is ¨¤ ma parents pour la plupart du temps. my question is, do you have to put an ¨¤ before ma parents?

is dr bob on

44. ## Factor Completely

I used the U-substitution t^8 + 3t^4 - 40 t^8 = u^2 t^4 = u u^2 + 3u - 40 (u - 5)(u + 8) (t^4 - 5) (t^4 +8) Is this correct?

45. ## algebra

The ratio of the measures of three sides of a triangle are 1/2:1/3:1/5, and its perimeter is 6.2 centimeters. find the measure of each side of the triangle

46. ## Math

-5x=2y=9 Is this a direct variation?

47. ## Math 012

I need help with this one too, same thing. Rewrite without parerntheses, then simplify if possible. -4(4+2p+5)+16

48. ## Organic chemistry

When the collected crystals are washed, what is being removed from the crystals?

49. ## algebra

Ice (at 0 degrees celsius) has a density of 922 kg per meter cubed. If the edge of a cube of ice is 4 cm, what is the mass of the cube?

50. ## Factor Completely

I used the U-substitution x + 1 = u u^2 -11u + 24 (u + 3)(u - 8) ( x + 1 + 3) ( x + 1 - 8) (x + 4) ( X - 7 ) Is this correct?

51. ## math

okay, this i cannot figure out anywhere. 2[ln(x)-ln(x+1)-ln(x-1)] evaluate into logarithm of a single quantity.

52. ## U.S. History

please tell me if this is right or not Which of the following was a weakness of the Articles of Confederation? a. only Congress had the power to tax b. there was no legislative branch of government c. state goverments had no authority d. there was no

53. ## French

I want to write at "what time do you finish the film?" in french. is this how you write it? ¨¤ quelle heure finis-tu le film?

The law from the 1800s mandated that men could buy alcohol and cigarettes only from a state store. The employee guide indicated that men could add their spouses to their health care plan.

55. ## IT 205

What are the fundamental differences between Windows®, Mac OS®, UNIX, and Linux operating systems for personal computers? What unique characteristics do mainframe operating systems have?

56. ## Algebra 2

CAn someone help me solve [SQRT(4 - x)] - [SQRT(x + 6)] = 2

57. ## social studies

the meaning of segregation and seperation is equal

58. ## health

A structure above the cellular level

59. ## Food

How many servings is 1 plate of spaghetti, with tomato sauce, and meatballs.

60. ## algebra

Find the value of y in the equation y = log 2 32. a. 5 b.16 c.64 d. 1024

61. ## Math

A new car depreciates an average of 22% in its first year of use. If the car was worth \$16,000 when it was new, what will the car be worth after 1 year?

62. ## algebra

Which best describes the following function? f(x)=2^3.5x-7 a. exponential b. linear c.cubic d. quadratic

63. ## U.S. History

please check these: 1. The First Continental Congress voted to a. end the boycott of imports from Britain b. call for the formation of colonial militias c. imprison all British tax collectors d. adopt the Declaration of Independence i picked B 2. the

64. ## Factor Completely

I used the U-substitution 6x^6 + 13x^3 - 5 x^3 = u x^6 = u^2 6u^2 + 13u - 5 (6u^2 + 2u) + (15u - 5) u(6u + 2) + 3 (6u + 2) (6u + 2) (u + 3) (6x^6 + 2) (x^6 + 3) Is this correct?

65. ## science

pure gold is highly malleable. describe a use og gold when this property is not desirable

66. ## math

evaluating functions For some reason I can't get these 3 problems correct: g(x) = x^2(x-5) g(3/2) g(c) g(t+2) Any help would be greatly appreciated. I contribute as much as I can and I don't seem to get any help. Maybe these are too hard of problems?

67. ## Math 9th

I've been trying to figure this one out all day. I have to use either substitution or elimination to solve a system for how many cookies and brownies two kids sold at a bake sale. The system is: c+b=600 \$.35c+\$.75b=\$360 (obivously, c is the amount of

68. ## math

Inverse function f(x)x^7-1 And I got root(7(x))+1 which is the (7root of x)+1

69. ## Math

I cant figure this out, does 235+z=xy/3 or does 354+z=xy/3? thanks!

70. ## math

are there only odd numbers in the 6* tables?

71. ## Nutrition

What is the bodies for protein? What is the bodies for carbohydrates? Don't understand the question and what's asking. Can someone please clarify. Thanks.

72. ## english

Hi, I have a picture in front of me and it is showing how one figure is throwing a radio(like bowling), another jumping over a computer( hurdles) and other is kicking a tv( soccer). The last square says "Healthy mind lives in healthy body". Now, the title

73. ## art

Hi. I am year seven girl. I got art homework. THis is making a hybrid animal in innovate material. but i think this homework is so hard for me. can you give me advice for me please. thank you very much

74. ## college

If a single taxpayer has regular income tax liability of \$19,500 and AMTI of \$130,000, calculate the AMT for 2008.

75. ## Critical thinking

How Do a person distinguish between prejudical and nonprejudical use os rhetorical devices

76. ## biolgoy

Is it appropriate to describe a cladogram as consisting of a nested hierarchy of clades?

77. ## Social Studies Essay Thesis

Well, I'm doing a report on William Cockerill and I need a thesis statement that answers this historical question: What was the importance of William Cockerill and how did he impact future generations?

78. ## anatomy & physiology

how does the structure of the organ of corti allow for detection of high & low pitches? why is it possible to lose ability to hear a specific pitch?

79. ## math

how do i find the lentgh of the radius given the volume and height useing 3.14 example v=314ft3 h==25 ft Please show me how to do it

80. ## English

I need the names of actors who have played Macbeth. I need to see clips of the daggar scene so that I am able to answer the question. How does the actor show his feelings in the daggar scene.

81. ## math

y=2x+5:(8, ),(-1, ),( , -1) ordered pair

82. ## algebra

Solve the equation 10 x = 20 for x. a. x=1/2 b.x=2 c.x=1.3 d.x=10

83. ## performance measures

What are some common ways of measuring “individual” performance?

84. ## More french

Rewrite these sentences correctly such as Votre=Notre and Vos=Nos 1 Votre ecole est grande ou petite? Notre ecole est une grande. 2. Votre ecole est pres ou loin de votre maison? Notre ecole est un loin de maison. 3. Votre ecole a combien d' eleves? Notre

85. ## CIVICS

what does the department of justice do?

86. ## Math

How do you find what x is? (-2,8) and (x,12)