Questions Asked on
October 10, 2008

physics
A man weighs 75 kg. What is his weight on the moon, where g=2.21 m/s2
asked by Vishnu 
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 
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 
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 
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! 
Physics
A 0.145kg 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 
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 
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 110115 degrees C. Explain why the
asked by Nina 
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 
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 
MATH
USE COUNTERS TELL HOW TO MAKE 10 WHEN ADDING 8 + 5.
asked by TONYA 
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 
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 
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 
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 
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 
7th grade
explain how oceanic lithosphere forms at midocean ridges
asked by fatou 
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 
science
what is a star's road to maturity?
asked by Anonymous 
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 
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 
science(chem)
If I have a graph of concentration in Absorbance at 400nm vs [micromolar]of paranitrophenol 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~ 
(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 1FTEs
asked by Lucille 
Calculus
C(x)= 16sqrt(x) + (x^2)/1000 Find the production level that will minimize the average cost
asked by Carl 
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 
3rd grade math
how do you tell what compatible numbers you would use and theh add example $2.75+$5.35
asked by rodrick 
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 
com220
can anybody give me some help on finding 5 reliable sources on oil and gas.
asked by lynn 
science
an instrument which we cant touch or see but when it plays,it captures our mind
asked by deep 
physics
A woman has a mass of 64.2 kg. What is her weight on earth?
asked by Vishnu 
caluculus
differentiate f(x)=(x^3 2)(4x+1)
asked by matrix10 
Geometry
Please help solve for: solve for x: m < 2=70 and m < 8 = 6 x  2
asked by Lacey 
art
What was the first American painting to sell for 1 million or more and who painted it?
asked by CE 
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 
Math
If 0.6= 60%; what does 0.06=?
asked by Ms. C 
BUSINESS
The great French historian Jules Michelet (17981874) 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 
Albegra
How can I solve this problem: Solve for h B=hn
asked by PJ 
Business
What is a good business topic to research? need help can you give me some example business topics
asked by Bryan 
Physics
can anyone give a site that have problems about pressure with solution.. urgently needed.. thanks :)
asked by Akitsuke 
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 
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 
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 
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 
ENGLISH
5x4 is?
asked by Angela 
earth science
Which of the following statements is TRUE? Swaves are able to pass through the Earth's core. Continentalcontinental 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 
statistics
EVENT PROBABILITY First set of O rings function correctly and second Oring functions correctly .7552 First set of Orings malfunction and second Oring functions correctly .1138 1st set of Orings function correctly and 2nd Oring malfunctions .1138 1st
asked by penelope 
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 
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 
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 
11th grade
help with the story bernice bobs her hair
asked by wanda 
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 
SCIENCE ...
what is a terrestrial resource issue? or what do they mean
asked by scooby91320002 
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 
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 
math
Express 2,750,389 in scientific notation.
asked by Anonymous 
world history
who was the first woman in space?
asked by melissa 
social studies
what colony was the first to promote religious tolerance?
asked by adrie 
Math
solve for x 5x3/4=2/37/2
asked by nadine 
4th grade
I need to learn how to divide.
asked by jasmine 
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 
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 
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 
america government
what is an informal amendment
asked by jordin 
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 
alerga
0.36  6. = 4 1/5 x 6 6/7 = 8+47.5+ 6.03 = 0.8175 x 1,000 =
asked by Pam 
epidemiology
Which of the following is a point source of liquid waste
asked by me 
Maths
Rearrange for T and J; n=(2J+1)exp((BJ(J+1))/(KT)) where B and K are constants
asked by Beth 
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 
earth science
The Mororovicic Discontinuity marks the change in rock density and elasticity between the:
asked by Deborah 
math help please!
yx3 _____ How do I slimplfy y6x4
asked by nadine 
Microeconomics
When a university decides to add to the football stadium instead of adding to the baseball stadium, it faces the:
asked by tammy 
Chemistry
An object has a mass of 128g and a volume of 27cm3. Find the density.
asked by AShley 
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 
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 
SCIENCE ?
can an terrestrial resourceissue be air pollution
asked by scooby91320002 
math
what are the relationship of numbers that divisible by 9
asked by pisces 
science (bobpursley)
what about flooding? is that one.
asked by scooby91320002 
chemistry
i need 3 types of suspensions found in a science lab
asked by becky