Questions Asked on
October 10, 2008

  1. physics

    A man weighs 75 kg. What is his weight on the moon, where g=2.21 m/s2

    asked by Vishnu
  2. chemistry

    Please help =) 59. Ethanol, C2H5OH, is responsible for the effects of intoxication felt after drinking alcoholic beverages. When ethanol burns in oxygen, carbon dioxide and water produced. (a) Write a balanced equation for the reaction. [[Think I did this

    asked by shadow55
  3. Science

    1. Which statement about subatomic particles is NOT true? (1 point) Protons and neutrons have almost the same mass. Protons and electrons have opposite charges. Unlike protons and electrons, neutrons have no charge. Protons and neutrons have the same

    asked by Chelsea
  4. Chm

    Air is about 78.0% nitrogen molecules and 21.0% oxygen molecules. Several other gases make up the remaining 1% of air molecules.What is the partial pressure of nitrogen in air at atmospheric pressure (1 atm)? Assume ideal behavior.

    asked by Karina
  5. chemistry

    i keep trying to do these problems and i don't understand them. please help me!! 1. Gas stored in a tank at 273 K has a pressure of 388 kPa. The save limit for the pressure is 825 kPa. At what temperature will the gas reach this pressure? A. 850 K B. 925 K

    asked by Please Help!
  6. Physics

    A 0.145-kg baseball traveling 35.0 m/s strikes the catcher's mitt which, in bring the ball to rest, recoils backward 11.0 cm. What was the average force applied by the ball on the glove?

    asked by Steve
  7. Math -- Calculus

    Hours of Daylight as a Function of Latitude Let S (x) be the number of sunlight hours on a cloudless June 21, as a function of latitude, x, measured in degrees. (a) What is S (0)? (b) Let x0 be the latitude of the Arctic Circle (x0 ≈ 66◦ 30′ ). In

    asked by Gerald
  8. Chemistry

    A student who was isolating aspirin stopped the experiment after filtration step alumina. One week later, the methanol was evaporated and the experiment was completed. The melting point of the aspirin was found to be 110-115 degrees C. Explain why the

    asked by Nina
  9. math

    Teresa has 4 flower pots in 4 different designs. She likes to display her flower pots in different positions on her window sill. How many different ways can she place her flower pots? Do you 4x4=16 4x3=12 4x2=8 4x1=4 and then 16+12+8+4

    asked by Mark
  10. chm

    A cylinder with a movable piston contains 2.00 of helium,He, at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the

    asked by sarah
  11. MATH

    USE COUNTERS TELL HOW TO MAKE 10 WHEN ADDING 8 + 5.

    asked by TONYA
  12. chemistry

    A crude oil burned in electrical generating plants contains about 1.2% sulfur by mass. When the oil burns, the sulfur forms sulfur dioxide gas: S(s) + O2(g) -------> SO2(g) How many liters of SO2 (d = 2.60 g/L) are produced when 1.00 x 10^4 kg of oil burns

    asked by starlight
  13. Chemistry

    If 185mg of acetaminophen were obtained from a tablet containing 350mg of acetaminophen, what would be the weight percentage recovery? thanks in advance!

    asked by Nina
  14. Calculus

    1/f = 1/p + 1/q What is the rate of change of p with respect to q if q=2 and f=4?

    asked by Carl
  15. chem

    Use the molar volume of a gas at STP to determine the volume (in L) occupied by 10.5g of neon at STP.

    asked by nikki
  16. Participation

    Some students in my class are very reluctant to speak up in class discussion. What ways could I make them talk but not in an imitidating way? What activities could I do to make sure everyone gets a chance to participate in a discussion topic?

    asked by Joan
  17. 7th grade

    explain how oceanic lithosphere forms at mid-ocean ridges

    asked by fatou
  18. com 220

    The readings for the week identified five questions for evaluating the credibility of online sources (quoted below). 1.what is the purpose and affiliation of the organization or author related to the article? 2.what are the author's credentials? 3.Is the

    asked by lynn
  19. science

    what is a star's road to maturity?

    asked by Anonymous
  20. GCSE English

    Hi I need help with the play the Inspector calls. 1. how is the context still relevant. 2. what makes the play convinving 3.how effective is the play as threarte please help

    asked by emmerson
  21. Psycology

    I am trying to find peer reviewed articles about a movie, "The Bad Seed" made in 1956 from a play that was written by William Edward March Campbell. I must analyize it along with the nature vs nuture debate for my Abnormal psyc class. I am trying to

    asked by DANA
  22. science(chem)

    If I have a graph of concentration in Absorbance at 400nm vs [micromolar]of para-nitrophenol The slope would be the extinction coefficient. (y=mx) if forced through 0 The problem is what is y? I know y is the absorbance but it's given on a paper i have as,

    asked by ~christina~
  23. (cont'd) Creating a Budget - HSM 220

    Operating Expenses RENT Per Year $125,000 UTILITIES Per Year $100,000 OFFICE SUPPLIES Per Year $25,000 EQUIP/LEASE $50,000 TRANSPTN/TRAVEL $100,000 OUTSIDE CONSULTANTS $100,000 OVERHEAD COSTS $100,000 Peronal Expenses EXEC DIRECTOR Annl Sal $100,000 1-FTEs

    asked by Lucille
  24. Calculus

    C(x)= 16sqrt(x) + (x^2)/1000 Find the production level that will minimize the average cost

    asked by Carl
  25. math

    Find the area of the shaded part in the figure. Use 3.14 for ƒàƒnand round your answer to one decimal place. the triangle as a cicle in the middle the right side is 15ft and the bottom side is 15ft what is the answer

    asked by derrick
  26. 3rd grade math

    how do you tell what compatible numbers you would use and theh add example $2.75+$5.35

    asked by rodrick
  27. Auditing

    Describe how the separation of (1) authorization of production transactions, (2) recording of these transactions and (3) physical custody of inventories can be specified amoung the production, inventory and cost accounting departments. How does the

    asked by Pam
  28. com220

    can anybody give me some help on finding 5 reliable sources on oil and gas.

    asked by lynn
  29. science

    an instrument which we cant touch or see but when it plays,it captures our mind

    asked by deep
  30. physics

    A woman has a mass of 64.2 kg. What is her weight on earth?

    asked by Vishnu
  31. caluculus

    differentiate f(x)=(x^3 -2)(4x+1)

    asked by matrix10
  32. Geometry

    Please help solve for: solve for x: m < 2=70 and m < 8 = 6 x - 2

    asked by Lacey
  33. art

    What was the first American painting to sell for 1 million or more and who painted it?

    asked by CE
  34. Creating a Budget -HSM 220

    Need help to complete assgnmnt for HSM 220 due Sunday 10/12 - will attach the Appendix C upon request, not enough room to post on site. Various budget approaches play an important role in resource allocation in human service org. The matrix budget consists

    asked by Lucille
  35. Math

    If 0.6= 60%; what does 0.06=?

    asked by Ms. C
  36. BUSINESS

    The great French historian Jules Michelet (1798-1874) sympathized with the French Middle Ages and with the Revolutionary epoch in France, yet he wrote his best work on the despotic French monarchy, which he despised.

    asked by Anonymous
  37. Albegra

    How can I solve this problem: Solve for h B=hn

    asked by PJ
  38. Business

    What is a good business topic to research? need help can you give me some example business topics

    asked by Bryan
  39. Physics

    can anyone give a site that have problems about pressure with solution.. urgently needed.. thanks :)

    asked by Akitsuke
  40. Adding letters instead of numbers

    Is anybody smarter than a fifth grader on this problem? I'm not able to help my son with this homework problem. e g g + e g g --------- p a g e a=____ e=____ g=____ p=_1___ How we started: p = 1, and g is greater than 5. Thanks!

    asked by Rich A
  41. com220

    In general a book should not be used as source material if it is more than four years old. (An exception to this rule might be historical research) Why is it important to support assertions with relatively current information?

    asked by lynn
  42. One more 5th grade adding letter problem

    I thought I was getting the hang of these but I'm stumped on this one too. Any advise on how to solve it? s e e d + i c e d ---------- s p i c e c= ___ d=___ e=___ i= ___ p= ___ s=___ Hint: Solve for s and i. Then is e is even or odd? Thanks.

    asked by Rich A
  43. life science

    hi all i was just wonrdering if someone read put of my paper and tell me how it sounds. thanks alot amy Manas National Park is a sanctuary and is on the World Heritage List. It is a place that has been through many changes and still faces many more. With

    asked by amy
  44. ENGLISH

    5x4 is?

    asked by Angela
  45. earth science

    Which of the following statements is TRUE? S-waves are able to pass through the Earth's core. Continental-continental plate convergence is reponsible for the creation of mountain ranges. Oceanic crust is on average about 60 - 100 km thick. The Richter

    asked by Deborah
  46. statistics

    EVENT PROBABILITY First set of O- rings function correctly and second O-ring functions correctly .7552 First set of O-rings malfunction and second O-ring functions correctly .1138 1st set of O-rings function correctly and 2nd O-ring malfunctions .1138 1st

    asked by penelope
  47. Science Biology

    Explain how the roles different parts of a plany have in converting light evergy into chemical energy. I need it broken down into easier terminology.

    asked by Cheryl
  48. Physical Science

    I'm still working on getting a fireman to come out to the school to demonstrate a radioactive detector. No luck so far. This is for a project on Marie Curie. Any other suggestions would be greatly appreciated.

    asked by jules
  49. math

    What is the greatest number of times you would regroup when multiplying a three digit factor by a two digit factor? I think it is four but I am not sure.

    asked by Buttercup
  50. 11th grade

    help with the story bernice bobs her hair

    asked by wanda
  51. 5th grade math

    What is the greatest number of times you would regruop when multiplying a 3 digit number by a 2 digit number? Is it four, I am not sure.

    asked by Lily
  52. SCIENCE ...

    what is a terrestrial resource issue? or what do they mean

    asked by scooby91320002
  53. com220

    the reading for the week listed five questions that can be used to advantage in seeking to evaluate the reliability of online sources: 1.What is the purpose and affiliation of the organization or author related to the article?2.what are the author;s

    asked by lisa
  54. English

    Which is the correct sentence when using verb form and verb tense? Since American Idol premiered on television, many talented contestants have appeared on the show. 8b. Since American Idol premiered on television, many talented contestants appeared on the

    asked by Jamie
  55. math

    Express 2,750,389 in scientific notation.

    asked by Anonymous
  56. world history

    who was the first woman in space?

    asked by melissa
  57. social studies

    what colony was the first to promote religious tolerance?

    asked by adrie
  58. Math

    solve for x 5x-3/4=2/3-7/2

    asked by nadine
  59. 4th grade

    I need to learn how to divide.

    asked by jasmine
  60. Microeconomics

    I am on the chapter for Oligopoly in my economic book. I have the following question: Define Nash equilibrium. What is the Nash equilbrium for trade policy? I can define the Nash equilbrium. The Nash equilibrium is a situation in which economic actors

    asked by G
  61. Microeconomics

    I am on the chapter for Oligopoly in my economic book. I have the following question: Define Nash equilibrium. What is the Nash equilbrium for trade policy? I can define the Nash equilbrium. The Nash equilibrium is a situation in which economic actors

    asked by G
  62. 5th grade adding letters problem

    Not having any luck with getting help with this Homework question? Anyone good with these type of word problems? e g g + e g g --------- p a g e a=____ e=____ g=____ p=_1___ How we started: p = 1, and g is greater than 5.

    asked by Rich A
  63. america government

    what is an informal amendment

    asked by jordin
  64. Math

    What percent is the greatest? 0.01% or 0.05%. If I wanted to buy a cream that has the greatest strengh, which percent would I purchase?

    asked by Kre
  65. alerga

    0.36 - 6. = 4 1/5 x 6 6/7 = 8+47.5+ 6.03 = 0.8175 x 1,000 =

    asked by Pam
  66. epidemiology

    Which of the following is a point source of liquid waste

    asked by me
  67. Maths

    Rearrange for T and J; n=(2J+1)exp(-(BJ(J+1))/(KT)) where B and K are constants

    asked by Beth
  68. Maths

    A(t)=A'e^(-t/r) where A(t) is the amount after time t, A' is the initial amount at t=0 and r is the decay time. Give an interpretation of the parameter r.

    asked by Alice
  69. earth science

    The Mororovicic Discontinuity marks the change in rock density and elasticity between the:

    asked by Deborah
  70. math help please!

    yx3 _____ How do I slimplfy y6x4

    asked by nadine
  71. Microeconomics

    When a university decides to add to the football stadium instead of adding to the baseball stadium, it faces the:

    asked by tammy
  72. Chemistry

    An object has a mass of 128g and a volume of 27cm3. Find the density.

    asked by AShley
  73. calculus

    You have an 8.5 inch by 11 inch piece of paper. You need to cut out four squares in each corner of the box so you can fold the sides of the paper and create a volume for the box. 1. Write an equation that represents the volume of the box. 2. What is the

    asked by John
  74. spanish play

    Hello, In the play Lope de vega Punishment without revenge the terms punishment and revenge what did they mean in the golden age play? thanks

    asked by Brooke
  75. SCIENCE ?

    can an terrestrial resourceissue be air pollution

    asked by scooby91320002
  76. math

    what are the relationship of numbers that divisible by 9

    asked by pisces
  77. science (bobpursley)

    what about flooding? is that one.

    asked by scooby91320002
  78. chemistry

    i need 3 types of suspensions found in a science lab

    asked by becky