# Questions Asked onMay 28, 2008

1. ## Science

What is the light spectrum for copper sulfate? What color flame does copper sulfate create when it is reacted with fire?

2. ## Intermediate Algebre

Solve for x: (x – 2)/5 – 3/2 = (x + 1)/10

3. ## Intermediate Algebre

Solve for x: -2(x – 5) + 7 = x – 8 – 5x

4. ## Intermediate Algebre

Combine like terms: -3x2 + 2x – 4x2 – 9 + 6x – 2x2 + 8

5. ## Chemistry, Arrhenius law

The rate constant of a first order reaction is 4.60x10^-4/s at 350 degrees Celsius. If the activation energy is 104 kJ/mol, calculate the temp. at which its rate constant is 8.80 x 10^-4/s. So I think that I can use this version of the equation: ln (k1/k2)

identify the different components of the persuasive communication process.

7. ## Math: Symbolic Logic!

1. N 2. N v F 3. N -> K WHats the next line?

8. ## Trig #1

i don't know how to search for this question can somebody help plzz question is : List as many jobs as you that use trigonometry. net find out what specific training is necessary to be hired for eac job. This is to include the name of the major, the name

9. ## >>>>>>>>AP SCIENCE

What is the light spectrum for copper sulfate? What color flame does copper sulfate create when it is reacted with fire?

10. ## College Algebra

(x – 2)/5 – 3/2 = (x + 1)/10

11. ## physics

what are the different layers of fiber optics

12. ## health care

What is a reform effort of socialization?

13. ## eth 25

Subordinate Groups: Native Americans, African Americans, Chinese Americans, Japanese Americans, Arab Americans, Filipino Americans, Korean Americans, Vietnamese Americans, Asian Indians, Hawaiians, Irish Americans, Polish Americans, Norwegian Americans,

14. ## HCA230

What types of reform efforts are being done to improve caregivers socialization skills?

15. ## acc225

Indicate whether a debit or credit decreases the normal balance of each of the following accounts: a. Office Supplies e. Salaries Expense i. Interest Revenue b. Repair Services Revenue f. Owner Capital j. Owner Withdrawals c. Interest Payable g. Prepaid

17. ## english

WHICH IS THE BEST GRAMMAR? WE HAD THE LARGEST RESPONSE TO OUR QUESTIONNAIRE. WE HAD THE MOST RESONSE TO OUR QUESTIONNAIRE.

18. ## english

Are these sentences grammatically correct? The results should be healthier, cheaper, and tastier food. You spoke louder than ever - and we heard you! We are now ready to begin the hardest part.

19. ## sci

what is an atomic particles with a negative charge???

20. ## physics

Consider the bending of light by the gravitation of the Sun as described by Newtonian physics. Light of frequency f passes at a distance d from the center of the Sun, which has a mass M. Show that the bending angle of the light is proportional to M/d.

21. ## algebra

Jennifer cut a board 2 m long into two pieces. One piece is 24 cm shorter than the other. Find the length of each piece. A group of backpackers hiked 38 km over three days. The first day, they hiked 1 km less than 3 times as far as the second day. The

22. ## Algerba

If the sides of a square are increased by 3m, the area becomes 64m2. Find the length of a side of the original square. A 4 m by 6 m rug covers half of the floor area of a room and leaves a uniform strip of bare floor around the edges. What are the

23. ## chemistry

hello, I have done a acid & base titration lab, with 0.1M vinegar (with unknown %tage acid) and 0.1 NaOH...I think the result came out ok, in avg, 25.21mL of NaOH have titrated w/ 30.0mL unknown %tage acid of vinegar. all I am given is Density of vinegar=

24. ## algebra

identify the missing term. x^3-31

Hi, Im learning about polymers. I did a lab to make slime where I mixed PVA glue & water. I then added borax to some water in another container, and the poured off the water from the wet borax. I then added the borax to the glue/water solution. I have to

26. ## math

Lula wants to round 76.24491 to the nearest hundredth. She first rounds 76.24491 to 76.245 and then rounds 76.245 to 76.25 and claims that this is the final answer. What is wrong with this approach?

27. ## Biology

A team of researchers do not use a full gene, but use a shortened version .. (which is coded for all necessary amino acids) Can anyone describe how the shortened version of a gene may be obtained ?? or provide a source to help please Thank you .... Totally

28. ## english

What is the difference between poems and poetry?

29. ## Literature-Poetry

Hi, I am doing a correspondence course and was wondering if the answers for my quiz were right, could you help please? My answers are identified by . I am aware that someone else has posted on this subject but posted wrong... I hope I did this correctly.

30. ## Chem -plz check work

suppose that 2.00 mL of 0.01 mol/L sodium sulphide is used to test a 50.0 mL sample of water containing 0.0005 mol/L mercury nitrate ions. What mass of precipate is formed? Na2 = Hg(NO3)2 --->2NaNO3 + HgS My Work: nNa2S=0.002*0.01 =0.0002 mol

31. ## Chemistry

A chemist wishes to determine the concentration of CrO4-2 ions electrochemically. A cell is constructed consisting of saturated calomel electrode (SCE) and a silver wire coated with Ag2CrO4. The SCE is composed of mercury in contact with a saturated

32. ## chem - check euqation please

suggest a test chemical that can be added to the water sample to precipate the lead (II) ions. Show a chemical equation for the formation of the precipate you have chosen. I chose Hg(N03)2 so Pb2 + Hg(NO3)2 -->Pb(NO3)2 = Hg I know I still have to balance

33. ## arithmetic

4mi=how many ft

34. ## chemistry

Are the three isomers for C2H2F2: cis-1,2-difluroethylene trans- 1,2-difluroethylene 1,1-difluroethylene or 1,2-difluroethylene or all these all the wrong names.

35. ## Algebra 1

Rewrite the polynomial in descending order in its simplest form. here is #1 12x^2 y^2 z^3+2+24x^2 I think it should be writen 12x^2y^2Z^3+24x^2+2 then there is also question #6 I need help with is it x+y+xy+3x+4x^2 I think it should look like this

36. ## geography/finals!!!

What was te country of Bangladesh used to be known as?

37. ## english

In Romeo and Juliet, what is the significance of the death of Paris in Act V, scene iii?

38. ## earth science

if the base of a clound is located at an altitude of 2 kilometers and the top of the clound is located at an altitude of 8 kilometrs, is the clound located in the: troposhere statosphere or mesosphere

39. ## English

Is a books plot and the theme the same thing? Thanks

40. ## trig

x^2-3y^2=13 x-2y=1 solve for x and y show all your work

41. ## HHS255

Can some give me web sites because I can not find any, thanks As digital technology continues to influence Health Care and Human Service in the future, what does this mean for those who work and will work in these fields? What will workers in these fields

42. ## Algebra

what is the equation of the line that passes though the points (-3,4) and (-9,6)

43. ## math

Seven employees of an office donated a total of \$172.06 during a charity drive. What was the average donation?

44. ## critical thinking

why and how could you apply critical thinking when evaluating each of the following articles, advertising, media, and conversations

45. ## Statistics

I need to do a project for ap stats. It can be anything im interested in, and i have to perform some tests and all that I need some ideas!! Somthing that would be interesting..

46. ## Calculus

Find the point where the tangent to the curve is horizontal. f(x) = (x^2-2x+4)/(x^2+4)

47. ## Calculus

Use the quotient rule to find f'(x): f(x) = [(x+4)(x-5)]/[2x(x+3)] For the first part...do I put them together? Can someone please complete this.

48. ## Social Studies

Who deliberately stayed away from the covention during a crucial vote so that his colleague could cast Maryland's vote with a smaller state? Was it George Washington, Luther Martin, Danial St.Thomas Jenifer, or Abraham Baldwin.

49. ## Presentations

i'm doing a comercial for a cereal can you give me some ideas how i could convince the audience to by my cereal like things to say or acting. Thank you!

50. ## medical language

B. Define the following words or word parts. -ad -ior -ics Ana- Prone Supine viscera- transverse Hypo- Re- C. In this activity, break the medical word into its word parts. Using the word parts, create a definition of the word. Write a sentence using the

51. ## Social Studies

Explain the Rights and Duties of A Group of Citizens, Tell of Their Civil Rights Compare Those Civil Rights to Those of U.S. Citizens -- i dun know what country to do.. if u have ne ideas plz help. If u suggest plz give me website where i can find info its

52. ## ALGEBRA 2 (matrix equation)

MATRIX EQUATION [ 3x ] [ 10+2y ] [ y ] = [ 5-x ] Solve for x.

53. ## biology

A scientist comparing organisms, in terms of biochemistry, might analyze ?

54. ## Calc

I need help with these two questions. I'm not getting the same answer in the back of the book. f(x) = (1+x^4)/(x^2) for which I got (6x^5-2x)/(x^4) and the answer at the back is (2x^4-3)/(x^3) And this question I don't get at all. f(x) = (5-(1/x))/(x-3)

55. ## CT

I need help identifying the following things in the article. 1. Identify any examples of bias presented by the author. 2. Identify any areas that are vague or ambiguous. 3. Do you find the source credible? 4. Identify and name any rhetorical devices used

56. ## science

describe the three ways in which an object can become charged?

57. ## Geometry

Find the area of a triangle whose vertices have coordinates (2,-5), (6,1), and (-3,-4)

58. ## chem

Given the length of Mg in cm and the mass per meter of Mg, how do i find the mass?

59. ## spanish

how do you write in Spanish 275.000.000 and 25.350 and 3.930.000 and 56.460

60. ## social studies

which colonies guaranteed religious freedom

61. ## English

1. He is at the back of the car. 2. He is at back of the car. (When a person is inside of a car, which expression can we use?)

62. ## Science

describe how a simple electrochemical cell operates? how are electrochemical cells related to batteries?

63. ## econ

True of False? E=exchange rate Suppose E \$/euros = 3/2 and E \$/pounds = 2, and there is no trade friction, the no arbitrage condition implies that E pounds/euros = 2

64. ## chemisttry

Is the molecular geometry around the carbon atom(s) trans-1,2 difluroethylene a trigonal planar? I'm pretty sure it is, but I just need to varify it, if it is not a trigonal planar what is the molecular geometry around the carbon atom(s)?

65. ## chemistry

which orbitals in the molecular orbital diagram contain the lone pair electrons around O? My answer: one of the lone pairs on oxygen exist in an "s" orbital. two of the lone pairs exist in "p" orbitals not involved in bonding. -is this correct.

66. ## government

What kind of case does the Supreme Court usualy hear?

67. ## Algebra 2

Which quadratic function has its vertex at (2,3) and passes through (1,0)? a. y = 2(x-2)^2+3 b. y = -3(x-2)^2+3 c. y = -3(x+2)^2+3 d. y = 2(x-2)^2-3 Could you explain why you got your answer, too?

68. ## Science

Is the sun a high mass star or a low mass?

69. ## science

i have to make a solar oven for science class. what are some good materials or ways to make one that would get my oven the hottest?

70. ## Algebra 2

Solve -x^2=4x by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located.

71. ## government

What kind of cases do the Supreme Court usualy hear?

72. ## history

To me everyone is the same and by having someone under someone else it sure brings out a lot of problems in life

73. ## history

Identify the thesis statement in the article AIDS in Africa: Dying by the Numbers. What strategies does the author use to formulate his argument? What makes the argument so compelling?

74. ## Curious Maria

what is the advantage of carrying out distillation processes under reduced pressures?? And ALSO can someone tell me the criteria used in selecting primary standards? i.e. NaHCO3, Na2CO3, KIO3, (COOH)2 and its salt as primary standard

asked by Chemistry...distillation...simple yet weird quest.
75. ## Stats

a teacher teaches two sections (A and B) of a class. Both sections have a mean score of 75. Section A only has 5 students and they all received a score of 75, while section B has 15 students with a mean score of 75 with a variance of 12. What is the

76. ## Chemistry

The question asks to determine the IUPAC name of a compound based on a diagram. I would choose the name: (Z)-5-ethyl-2,4,6-trimethyl-2,4-octadiene However, this doesn't match any of the given choices. They are: a. (Z,Z)-5-Ethyl-2,4,6-trimethyloctadiene b.

77. ## Physics / Astronomy

Here is my question: Consider the bending of light by the gravitation of the Sun as described by Newtonian physics. Light of frequency f passes at a distance d from the center of the Sun, which has a mass M. Show that the bending angle of the light is

78. ## econ

Exporters suffer when their home currency depreciates and prosper when it appreciates. True or false? and why?

79. ## Geometry

Find every possible area for a square drawn by connecting dots of a 3 dot by 3 dot grid.

80. ## Geometry

If I have a baseball diamond and the question is how far much a ball be thrown to get a player out a second base? Thanks.

81. ## English - question

Ms. Sue, What kind of strategies can I use to revise my paper?

82. ## trig

If A+B+C=^(^=180) prove that sinA + sinB - sinC = 4sinA/2 sinB/2 cosC/2

83. ## econ

The real exchange rate between Canada and U.S. must be unity if LOOP is found held for all the common goods that are consumed in both countries. True or false?

85. ## English

I want to know if this sentence contains sexist language: The article pointed out that anybody who can get his doctor to meet him at the office is fortunate.

86. ## trig

find the value of : sin18'

87. ## chem

if the length of Mg is 2.7 cm and the mass per meter of Mg is .981 how do i find the mass of the Mg?

88. ## english -

Ms. Sue, Also, what can make a feedback valuable to me.

89. ## ashford

In the number 854, 263, 189, what number tells the numbe of million

90. ## Computer

What is the meaning of 'Tab' on the tab key on the keyboard?

91. ## mixture problem

Lisa will make punch that is 25% fruit juice by adding pure fruit juice to a 2-liter mixture that is 10% pure fruit juice. How many liters of pure fruit juice does she need to add?

92. ## politics

Where can I find the personalities of the presidential candidates (Clinton, Obama, McCain)?

93. ## psy-

Biomedical and psychotherapy are two basic approaches to treating psychological disorders. A number of approaches fall under the category of psychotherapy, but they all include the following four essential characteristics: 1. systematic interaction between

94. ## geometry

What are if then statments .Ill need examples please .its for a project .

95. ## Science ( the sun)

Is the sun a high mass star or a low mass star?

96. ## social studies

What is the most populous country in the world?

97. ## Computer

With Camtasia Studio 3.1.3 for Free, we can make videos. By the way, how can I get rid of the logo on the videos? Are there any ways to remove the logo when we make videos?