posted by michelle on .
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.