question archive The standard enthalpy change in the combustion of the hydrocarbon octane is delta H=-5
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The standard enthalpy change in the combustion of the hydrocarbon octane is delta H=-5.48*10^3KJ/Mol C8H18
How much heat, in kilojoules, is liberated per gallon of octane burned?
Density of octane = 0.703 g/mL 1 Gal=3.785 L