posted by Kat .
Use Hess' Law to calculate the heat of the following equation. Show all work including the reactions that you use, in the form that you use them.
2 C + 2 NO2 ---> 2 CO 2 + N 2
deltaHrxn = (n*deltaHf products) - (n*deltaHf reactants).
Look up delta Hf values, substitute, and calculate delta H rxn.