Saturday
May 25, 2013

# Posts by haley

Total # Posts: 336

Chemistry
Suppose that 1.00 g of rubbing alcohol (C3H8O) evaporates from a 57.0g aluminum block If the aluminum block is initially at 25 C, what is the final temperature of the block after the evaporation of the alcohol? Assume that the heat required for the vaporization of the alcohol ...

Chemistry
How much heat (in Kj ) is required to warm 10.0g  of ice, initially at -11.0 C, to steam at 112.0 C?

chemistry
How much heat (in Kj ) is required to warm 10.0g  of ice, initially at -11.0 C, to steam at 112.0 C?

chemistry
which are ionic compounds? SO2 PCl3 NaBr PbO AlF3

Chemistry
A H2= (H1)(H3)/(H4)

math
please help simplify (3y/x^4)^-3 1/(1+square root of a) what would be the best solution: (1)/(x-2) +8= (x)/(x-2)

Statistics
Find the probability P(E or F) if E and F are mutually exclusive and P(E)=0.30 and P(F) =0.47

Chemistry honors
You have 2.657 x 10^2 mL of oxygen gas (O2) at 7.02 x 10^2 mm of Hg and 46 oC. What is the mass of the sample in milligrams?

English
Doing an assignment on act 4 scene 1-2 of Romeo and Juliet's symbols I have to use these symbols and find an object for each one that reflects it it needs evidence too Here are the symbols and thanks for all your help Love Foolishness of the feud Extremes Loyalty Dreams/F...

math
prove the identity : cos^4 theta- sin ^4 thetaover sin squared theta cos squared theta =cot squared theta - tan squared theta

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