Methyl hydrazine (N2H3CH3) is a common liquid propellant used in rocket fuels. Look for the standard molar enthalpies of formation of the reactants and products. Calculate the ∆H˚ for the reaction per mole of N2H3CH3. 4N2H3CH3(l) + 5N2O4(l) → 12H2O(g) + 9N2(g) + 4CO(g)