1. physics

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

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

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

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.

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

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?

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

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

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

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

11. MATH

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

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

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!

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?

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.

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?

explain how oceanic lithosphere forms at mid-ocean ridges

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

19. science

what is a star's road to maturity?

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

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

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,

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

24. Calculus

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

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

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

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

28. com220

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

29. science

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

30. physics

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

31. caluculus

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

32. Geometry

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

33. art

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

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

35. Math

If 0.6= 60%; what does 0.06=?

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.

37. Albegra

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

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

39. Physics

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

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!

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?

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.

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

5x4 is?

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

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

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.

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.

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.

help with the story bernice bobs her hair

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.

52. SCIENCE ...

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

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

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

55. math

Express 2,750,389 in scientific notation.

56. world history

who was the first woman in space?

57. social studies

what colony was the first to promote religious tolerance?

58. Math

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

I need to learn how to divide.

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

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

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.

63. america government

what is an informal amendment

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?

65. alerga

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

66. epidemiology

Which of the following is a point source of liquid waste

67. Maths

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

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.

69. earth science

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

yx3 _____ How do I slimplfy y6x4

72. Chemistry

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

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

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

75. SCIENCE ?

can an terrestrial resourceissue be air pollution

76. math

what are the relationship of numbers that divisible by 9