Question

Some spacecrafts use hydrazine (N2H4) as fuel and is burned according to the following reaction:

N2H4(l)+N2O4(g)=>2 N2O(g)+2 H2O(g)

Calculate the DHrxn° for this reaction using the standard enthalpies
of formation from Appendix IIB. Calculate your answer to 4 sig figs
dHrxn = (n*dHf products) - (n*Hf reactants)

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