December 2, 2015

Homework Help: science

Posted by michelle on Thursday, January 18, 2007 at 7:18pm.

a) calculate the heat of reaction, in kilojoules, for the reaction:
2NO2(g) + 3H2(g)--->2NH3(g) + 2O2(g)

b) is the reaction endothermic or exothermic? how can you tell?

I will be happy to critique your work on this. You will have to look up the heats of formation.

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