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July 28, 2014

Homework Help: Chemistry

Posted by Anonymous on Saturday, September 21, 2013 at 9:07pm.

Consider the following reaction:

2Fe2O3 --> 4Fe + 3O2

∆Hrxn = +824.2 kJ

The decomposition of 29.0 g of Fe2O3 results in

a. the release of 150 kJ of heat
b. the release of 12000 kJ of heat
c. the absorption of 12000 kJ of heat
d. the absorption of 150 kJ of heat
e. the absorption of 74.8 kJ of heat
f. the release of 74.8 kJ of heat

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