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Calculating standard enthalpy change, heat, and mass of a reaction

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Methanol (CH3OH) is used as fuel in race cars. Calculate the standard enthalpy change for the reaction, assuming H2O(g) as a product. Calculate the heat produced by combustion per liter of methanol. Methanol has a density of 0.791g/ml. Calculate the mass of CO2 produced per kJ of heat emitted.

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The solution calculates standard enthalpy change, heat and mass of a reaction.

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2CH3OH (l) + 3O2 (g) = 2CO2 (g) + 4H2O(g)

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