Question: Methane, CH 4 (g), and octane, , are important components of the widely used fossil fuels. Th e enthalpy change for combustion of 1 mol

Methane, CH₄(g), and octane, , are important components of the widely used fossil fuels. Th e enthalpy change for combustion of 1 mol methane is -890 kJ, and that for 1 mol octane is -5466 kJ. Which of these fuels produces more energy per gram of compound burned? What is the difference in energy produced per gram of compound?

CgH18(1),

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