From: Christopher Paul Borella (cborella$##$ic.sunysb.edu)
Date: Sat Mar 11 2000 - 14:06:50 EST
Well Sam, I may be wrong but it sounds like you are trying to get us to do
your chemistry homework for you. I would sugest checking your text book
as all of this information should be present in any basic intro to
chemistry book or maybe even a general science book. If we simply give
you the answers it won't help you at all.
-Chris Borella
Dept. of Chemistry
SUNY Stony Brook
Stony Brook NY, 11794
On Sat, 11 Mar 2000, Sam wrote:
> Hi...This is Sam from Lebanon.
> This is my first time here, so...Excuse me for my verry bad english :-)
> I have some simple questions, I hope someone will help me finding the answers :
>
> * Why after cooling (after heating) a solution that contains an organic (or non organic) compound with a specific solvant, this compound is recrystallised ?
>
> *How does it happen that the melting point of a compound is a why to find its purity ?
>
> *Why does polar solvents dissolve polar molecules, while nonpolar solvents dissolve non polar molecules.
>
> I am new to the internet, if anyone can help find informations about these stuff ?
> I am looking for a mailing list similar to this one, but about mineral chemitry...
> Where can i find values of Kps or Ka for different compounds.
>
> Thank you all verry much
>
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