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April 24, 2014

Homework Help: chem

Posted by sara on Tuesday, January 22, 2013 at 6:08pm.

for 2Al2O3----> 4Al(s) + 3O2
the question is what is the heat change for the formation of 1 mol of aluminum oxide from its elements?

Al2O3:-1676.0
O2:0.0

Can someone please explain how to complete this problem step by step please??

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