rom the following heats of combustion,                                        CH3OH (l) + 3/2 O2 (g) → CO2 (g)  + 2 H2O (l), ΔH = -726.4 KJ/mol C (graphite) + O2 (g)  → CO2 (g),  ΔH = - 393.5 KJ/mol H2 (g) + ½ O2 (g)  →  H2O (l), ΔH = - 285.8 KJ/mol Calculate the enthalpy of formation of methanol from its elements: C (graphite)  + 2 H2 (g)  +  ½ O2 (g)   →  CH3OH (l)

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