Tuesday
March 31, 2015

Homework Help: Chemistry

Posted by ramire2 on Wednesday, May 1, 2013 at 8:49pm.

Use the data in the table to calculate the Delta G0 of the following reaction at 298k:

Al2O3 ---> Delta G fusion -1582.3
HCl----> -131.2
AlCl3 -----628.8
H2O --- -237.1

The equation is Al2O3 + 6HCl ---> 2 AlCl3 + 3H2O

products - reactants?
[2(-628.8)+3(-237.1) - (-1582.3)+6(-131.2) =-1178.8 KJ

But the answer is supposed to be +400.6 KJ/mol

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