Wednesday
December 11, 2013

# Posts by sophie

Total # Posts: 365

math
3x³=90

math
-3.1

writing
I have to write a thesis statement on a belief i have that have changed and why

General Chemistry
What happens to the rate of evaporation of a liquid after… a. a decrease in temperature b. an increase in the surface area of a liquid exposed to air c. an increase in the intermolecular forces

math
This is a place for homework help, not for chatting and randomness.

science
The greatest velocity a falling object reaches is called its what?

chemistry
how many grams of copper hydroxide can b prepared from 2.7g of copper (II) nitrate and excess sodium hydroxide?

chemistry
how many grams of copper hydroxide can b prepared from 2.7g of copper (II) nitrate and excess sodium hydroxide?

Math
set S is composed of the square of every element of the set {-5,5}. what is S?

Chemistry
im not quite sure what to do with this problem... the info I have: -balanced equation= (CuCl2*2H20)=>CuCl2+2H2O -initial mass of copper compound: 0.94g Q: use stiochiometry to find the theoretical yield for the mass of copper (II) chloride we also used 30mL of water in our ...

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