Hess's Legislation Given the next knowledge: 2C(s) + 3H2(g) + 1/2O2(9) - CH3CH2OH(1) AH°=-278.zero kJ CH3CH2OH(1) + O2(9) - CH3COOH(1) + H2O(1) AH°=-492.zero 4C(s) + 3H2(g) + three/202(9) - (CH3CO)20(1) AH®--625.zero kJ H2(g) + 1/202(9) - H20(1) AH°=-286.zero kJ Calculate AH° for the response: 2CH3COOH(1) -- (CH3CO)20(1) + H20(1) AH°= .