2. Calculate the heat of combustion, AH.°, of propane, C3H8, in each of the following reactions: 3CO2(g) + 4H20(g) 3CO2(g) + 4H20(1) C3H8(g) + 502(g) C3H8(g) + 502(g) Given the enthalpy of formation data: H2O(g) -> Molecule CO2(g) C3H8(g) H2O() AHP /kJmole Use the values obtained to determine the enthalpy of vaporisation (1 g), of water. -241.82 -393.3 -103.85 -285.83

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