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Specific Heat Capacity

Posted: Wed Jan 17, 2018 9:59 pm
by Karen Ung 2H
The book states that the heat capacity of a dilute solution is taken to be the same as the pure solvent. Why?

Re: Specific Heat Capacity

Posted: Wed Jan 17, 2018 10:57 pm
by Aya Shokair- Dis 2H
Perhaps it works best with the scope of this class.
A diluted solution might not significantly differ in its specific heat compared to the pure solvent for it to be taken into account.

Re: Specific Heat Capacity

Posted: Thu Jan 18, 2018 10:56 am
by Jingyi Li 2C
It is just a convention to assume the specific heat capacity of the solution is the same as the solvent.

Re: Specific Heat Capacity

Posted: Thu Jan 18, 2018 11:00 am
by Lorie Seuylemezian-2K
I agree with the responses above that this is just a convention to allow us to do the calculations for solutions.

Re: Specific Heat Capacity

Posted: Thu Jan 18, 2018 10:15 pm
by Michael Lee 2I
It just works with the questions to assume the specific heat capacity is the same as the solvent.

Re: Specific Heat Capacity

Posted: Fri Jan 19, 2018 12:00 am
by Max Mazo 2C
I think Dr. Lavelle said in lecture on Wednesday that the solution is so dilute that that salt(in the case of acid-base reactions) has very little impact on the specific heat capacity and you can just use the capacity of the solvent.