# Questions Asked onApril 23, 2008

1. ## Physics

GIVEN: A monochromatic laser is exciting hydrogen atoms from the n=2 state to the n=5 state. A: What is the wavelength of the laser? *435 nm B: Eventually, all of the excited hydrogen atoms will emit photons until they fall back to the ground state. How

2. ## Solve the proportion

A recipe for cookies calls for 4 eggs. The recipe makes 6 dozen cookies. how many eggs would be need to make 21 dozen cookies?

3. ## math

need to simplify the rational expression plus find the excluded value 3c+33/c+11

4. ## chemistry

What mass in grams of sodium hydroxide is produced if 20.0 g of sodium meal reactts with excess water according to the chemical equation 2 Na(s)+2 H2O(l)=2 NaOH(aq)+H2(g)?

5. ## Social studies

Well I posted this earlier, and this is what it said What are the advantages and disadvantages of selling water to the United States? The ones I got are - We will get more money - We will have less water - We will use more gas to transport the water. I

6. ## Social Studies

What are the advantages and disadvantages of selling water to the United States? The ones I got are - We will get more money - We will have less water - We will use more gas to transport the water. I thought this would be easier, but apparently no XD

7. ## science

Can somebody please point me in the general direction to the answer for this question? Thanks! How do low fuel prices affect the nation's security?

8. ## what does interim mean?

I looked up the word in the dictionary and it said it has something to do with time. However I do not understand the meaning of interim in this question. Can you please help? "Can individuals be granted interim measures to avert the further deterioration

9. ## subodh school

Meaning of Moollah

10. ## Algebra

Solve for P A=P+Prt

11. ## chemistry

Could I get some help with these please? Thanks Calculate the electrical potential (V). Ag/1M Ag+1// 1M Fe+3/Fe Ag2+( aq ) + e – Ag+( aq ) 1.98 Fe3+( aq ) + 3e – Fe(s) –0.04 2. A voltaic cell is reconstructed used electrodes based on the following

12. ## Literature

Hi, I'm currently reading 'The Great Gatsby' and was wondering if someone could help me understand this passage: "My commutation ticket came back to me with a dark stain from his hand. That anyone should care in this heat whose flush lips he kissed, whose

13. ## Chemistry

I'm practicing for my lab final and I came across a question I do not understand... If a 0.092 g sample of a 1:1 mixture of acetylferrocene and ferrocene was separated by column chromatography, and the recovered fractions weighed 0.019 g (acetylferrocene)

Standard International Diversified Corporation owns assets in Tagistan, a new country in Asia. The government of Tagistan wants to nationalize all assets owned by foreign firms and investors. What can Standard do? Can it at least obtain payment for the

15. ## physics

A person wants to participate in a bunjee jump. One end of an elastic band 10m long with a spring constant of 50N/m will be attatched to a basket on a crane and the other end to the waist of the person with a mass of 86kg. The person will step off the edge

16. ## math

What do you call it when somebody spends 20 years in the 24th row of a theater?

17. ## find the unit rate

1. 7 apples for \$1.00 2. \$20 per dozen tarts Please answer quickly I work hard and need the answer by tommorow!

18. ## math

27B SQUARED/30B TO THE 5TH

19. ## algebra

Write four different numbers for which both of these statement are true. -The range is 8 -The mean and median are the same number

20. ## science

what is the main reason so many molecules are made from carbon atoms?

21. ## science

what is a scientist that studies insects?

22. ## math

simplify and find excluded value d+8/d-8

23. ## poetry

does anyone have any ideas of an object that would be cool to do an imagery poem on? i cant think of anything thanks so much!

24. ## Find the missing term that makes the ratios equiva

1. 3/7, __ 14 2. 7 to 5, __ to 15 3. 15:5, 3:__

25. ## Algebra

i need to use the quadratic formula 2 solve these 4 questions: 1. x(squared)-6x+4=0 2. t(squared)+4t-2=0 3. 3x(squared)+10X+5=0 4. 2x=7-x(squared) I just can't seem 2 get the right answer!

26. ## English Punctuation

Where do the commas go in these sentences? Please check. 1. Most criminals are armed, and it is unlikely that a ban on guns would ever be passed in the United States,and, therefore, it is mandatory that police officers be armed. 2. Police officers must be

27. ## french

what are the forms of jouons and when do i use each

28. ## Math

I cannot come up with the right answers for my matrix. I need to write as a system of equation and solve the system. 1 2 3 x 1 1 1 1 y = 12 -1 1 2 z 2 The answers I come up with are 31 15 15 when I check these, they will not work, what I am doing wrong?

29. ## English Grammar

Is it maintain or maintains? The judicious and policy-directed use of Tasers ensures that the instrument maintain (maintains) its status as a less-than-lethal weapon which has the power to immobilize assailants.

30. ## Write each ratio in fraction form thenfindunitrate

65 mi per 3 gal

31. ## french

how do i say "the students came from school" while useing the the the verb venir

32. ## ENGLISH

Tell me about the names of colours

33. ## Physics

What color would a yellow cloth appear if illuminated with sunlight? With yellow light? With blue light?

34. ## Writing

What is the Psychological Critical Perspective? I have to write an essay about a play I read using this perspective and I am not sure how to go about it. Thank you for any help!

35. ## chemistry

Chromium metal can be plated onto an object from an acidic solution of dichrmonate tions. What average current is required to plate 17.8 g of chronium metal in a time of 2.20 h? ( you will need to construct your own equation for the half-reaction)

36. ## MATH (SURDS)

we have been asked to prove that it is possible to determine the value of a surd using either similar figures or Pythagoreans theorem. we have been shown how to construct the surd using a compass and ruler. but we now have to prove that our method is

37. ## percentages

what is 1% of £117.

38. ## Math

Needing SERIOUS help with circumference and area circle-wise. Help? I'm not really sure where I'm messing up at, but could someone explain all the forumula stuff with area to me in layman's terms?

39. ## calculus

Continuous/discontinuity Can someone please tell me how to make this determination? 1/x(x-3) x=0,x=-4 is the function con @ x=3 is the function con @ x=0 is the function con @ x=-4

40. ## Health/Specialty Exams and Advance Techniques

please check the answer to this question thanks True or False The external auditory canal contains hair and wax-producing glands I said True

41. ## Health

Please see if I have the correct answer the correct answer thanks Which catheter is used when the catheter remains is the urinary bladder. My answer is A foley catheter

42. ## Health/Specialty Exams and Advance Techniques

please check my answer thanks The level on decline in a 66- year old patient is most likley affected by A. gender B. race C. social factors D. age I picked D. (age)

43. ## chemistry

given: Ferrocene, Acetylferrocene, 1, 1' Diacetylferrocene What part of the ferrocene compound(s) is(are) responsible for creating a dipole moment What type of molecular orbitals does the cyclopentadienyl ligand use to bond with the iron ion? How many

44. ## math

Divide. 3/4 divide into 9 Write each result in simplest form.

45. ## calculus

How would you sketch the graph of E(v)=aLv^3/v-u

46. ## Health/Specialty Exams and Advance Techniques

please check my answer thanks What can be done while performing a cystoscopy of the bladder ? A. biopsy B. U/A C pyelogram D. catheterization I think it is A

47. ## Psychology

I need to find at least two instances of abnormal behavior but everytime I do an internet search the results are examples of term papers not instances of abnormal behavior. I ahve to write two paragraphs explaining the deviance. Can anyone help me?

48. ## poetry

I need to recite this poem in front of the class and i have to add at least three more lines to it. does anyone have any suggestions? Math is the thick red book, Sitting there, waiting for you to open it, Just waiting for your sigh. Math is working two

49. ## Biology - oxidative phosphorylation

Some things I don't understand: If oxygen accepts electrons from the electron transport chain, how does it become a molecule of water? ie where does the hydrogen come from? In chemiosmosis, protons are pumped against their concentration gradient across the

50. ## marketing

Discuss the likely considerations and strategy for a company aiming its market launch at Everett Rogers¡¦ ¡¥early adopters¡¦ category.

51. ## Psychology and "Monk" the tv show

What are Monk's actions and behaviors in the usanetwork tv show "Monk" and what disorder(s) are they a symptom of? Is the disorder accurately represented on "Monk"?

52. ## Math

We are studying polynomials (x+3)(x-7)=0 2x^2+3x-9=0 5x^2+2x=0

53. ## ethics

Describe a current issue between Native Americans and the federal government. Identify the legislation that you think is linked to the issue, and explain why you think there is a connection.

54. ## Math

solve for X 30y=x^2-14x+13

55. ## Chemistry

Methanol burns in oxygen to make carbon dioxide and water. The equation is exothermic, with 1452kJ/mol. of energy being released. methanol+oxygen=carbon dioxide+water 2CH3OH + 3O2 = 2CO2 + 4H2O -molar mass of methanol=32g/mol. Use the value to calculate

56. ## MAth

Find each of the indicated function value. f (x) = 4²x - 5x + 9 a) (2) b) (-3a)

57. ## FRENCH

Pourriez-vous me dire, svp, si on dit: Merci DE complementer ma travaille ou Merci POUR complemeter ma travaille et pourquoi l'un et ne pas l'autre? Merci

58. ## math

f (x) = 4x – (-5x) + 9 1) (6) 2) (-3)

59. ## Social Studies

What Happen durring the War 1812 who won the war??? Did the British, US, or French won???

60. ## Physics

A powerful particle accelerator, called Large Hadron Collider, will be able to accelerate protons to 14TeV(tetraelectravolt)(1TeV= 10^12eV) of energy. a)what is the relativistic mass of a proton that has a total energy of 14TeV? (express you answer in

Indeed, the environment ignores state borders, and environmental pollution is not restrained within boundaries. When pollution originates in one country and crosses the frontier, leading to negative impact on the environment of other countries, it

62. ## physics

A person wants to participate in a bunjee jump. One end of an elastic band 10m long with a spring constant of 50N/m will be attatched to a basket on a crane and the other end to the waist of the person with a mass of 86kg. The person will step off the edge

63. ## Math

x^2 - 14 x + 13 = 30 y x^2 - 14 x = 30 y - 13 x^2 - 14 x + 49 = 30 y + 36 **** (x-7)^2 = 30 y + 36 x - 7 = +/- sqrt (30 y + 36) x = 7 +/- sqrt (30 y + 36) where did you get the 49 or 36

64. ## math

i am trying to simplify this equation 4m+9+5m-12=42

65. ## science

1. the molar mass of helium is 4.00 g/mol. calculate the volume of 1 mol of helium at STP (T = 273, P = 1 atm) what is the density of helium at STP? 2. the density of an ideal gas is 1.35 kg/m^3. if the temperature is Kelvin and the pressure are both

66. ## anatomy

When you are very excited or nervous, what changes occur in the digestive and urinary systems?

67. ## physics

Refraction happens when a wave does what

68. ## chemistry

Among the resonance structures of SCN-, is it true that the more widely-used structure is considered the "real" structure? Two resonance structures of SCN- are S=C=N and S-C≡N.

69. ## US History

How where presidents JFK and Lyndon B. Johnson alike and different?

70. ## social studies

where is he test site for nystce in nassau long island

I wants to go into the business of direct merchandise sales. What are the legal problems that I might encounter in telemarketing? In selling door-to-door? In marketing over the Internet? In soliciting sales through the mail?

Ann, an accountant, prepares a tax return for a client, Beta Sales Company. Carl, who is not an accountant, prepares a tax return for Dina's business, Delta Services. Can an accountant who prepares a tax return for a client be liable for any false

73. ## AP English

I am writing a rhetorical analysis on Ronald Reagan's speech " A Time fo Choosing" and I need some help forming a thesis statement for my paper. Can anyone help me? THANKS!!

74. ## English Grammar

Tasers preserve the function of weapons as an instrument for self-defense. Tasers preserve the function of weapons as instruments for self-defense. Which sentence is correct or how should it be revised?. Is function referring to instrument, or is weapons

75. ## human resources

Excluding layoff, what actions can a firm take if it had worker surplus?

76. ## Law

Just need a little guidance on where to begin with this assignment. A local radio station has asked you to participate in an expert panel discussion regarding the role of media in political and terrorism related crimes. Specifically, you have been invited

77. ## science

Brightly colored flowers are most often pollinated by

78. ## government

how do i mack a sentruliz government of my own (for a school project)

79. ## history

what was truman doctrine?

80. ## biology

Are genetic defects associated with abnormalities of the autosomes, sex chromosomes, or both? Why?

81. ## algebra

name the various factors of: ax,3mm,6n,pqrs,24vt

82. ## Math

why is this not correct 30y = x^2 - 14x + 13 - 13 30y - 13 = x^2 - 14x _________ ___________ -14 -14 x = sqrt 30y-13 _______ -14 sorry the division signs didn't line up

83. ## finance (Repost)

Following are rates of return on a medical equipment company stock, debt, and market portfolio, along with probablity of each state State Prob Ret.on Stock Ret.on Debt Ret.on Market 1 .1 3 8 5 2 .3 8 8 10 3 .4 20 10 15 4 .2 15 10 20 If the company's

84. ## Civics

I have a stock marketing project for my civics class and I don't know what 5 stocks to pick. I don't even know what stock is. =] What is it??

85. ## finance (Repost)

Securities A,B,C have the following; Security Exp.Return Beta A 10 0.7 B 14 1.2 C 20 1.8 According to CAPM, what is the correct slope between security A&B? A&C?

86. ## French

please tell me why it is: vous aiment des roses? and not: aimez-vous des roses? And I've also read once "vous veulent" how can VOUS go togehter with a verb in the third person plural (instead of the second person plural)???

87. ## social studies

i got this from my teacher "creat your own nation-state"my project needs to include the following -come up with a unique and intellectual name for the nation-state -creat a map of your nation-state(identify the capital,major mountain range,rivers,lakes)

88. ## physics

In a certain experiment, it is necessary to be able to move a small radioactive source at selected, extremely slow speeds. This is accomplished by fastening the source to one end of an aluminum rod and heating the central section of the rod in a controlled

89. ## physics

A physicist, upon awaking one morning to find his stove out of order, decides to boil the water for his wife's coffee by shaking it in a thermos flask. Suppose that he uses 520 cm3 of tap water at 56oF, that the water falls 1.35 ft each shake, and that the

90. ## physics

0.155 kg of water at 86.0oC is poured into an insulated cup containing 0.224 kg of ice initially at 0oC. How many kg of liquid will there be when the system reaches thermal equilibrium?

91. ## HELLO I NEED HELP AND NOBODY EVER HELPS ME.

1. the molar mass of helium is 4.00 g/mol. calculate the volume of 1 mol of helium at STP (T = 273, P = 1 atm) what is the density of helium at STP? 2. the density of an ideal gas is 1.35 kg/m^3. if the temperature is Kelvin and the pressure are both

92. ## chemistry

*Please note my question is found in the Analysis section of this Lab. Preparation of Esters Instructions: Carry out the virtual lab as outlined below. You will need to record your data in an observations table of your design. When you have completed the

93. ## FRENCH

is this correct? nous voulons manger des épinards but nous ne voulons pas manger d'épinards Thank you.

94. ## Physics -Compton Scattering

QUESTION 1: Calculate the maximum increase in photon wavelength that can occur during Compton scattering. = ??? pm QUESTION 2: What is the energy (in electron volts) of the smallest-energy x-ray photon for which Compton scattering could result in doubling

95. ## science

the mole is an animal thet digs tunnels all of the following characteristics would be an advantage to a mole except? A-large ears B-sharp claws C-small eyes D-strong legs

96. ## Math

If Sally makes all scores of 100 on ten of her homework assignments and 80 on her first test and 85 on her second test and 86 on her third test and 95 on her project. What would Sally's grade be if homework is 10%, test 1=20% test 2=20%, test 3=25%, and

97. ## Physics

If the distance between two slits is .05mm and the distance to the screen is 2.5m find the spacing between the first and second order bright fringees for yellow light of wavelenght 600nm. d=5x10^-5m L=2.5m wavelength= 6x10^-7m x=? x=wavelength*L/d

98. ## Math

Estimate. Choose a rounding digit that gives one or two nonzero digits. 18 x 61 a) 1200 b) 120 c) 2400 d) 12