Answer to Question #191040 in General Chemistry for Maddie Dalton

Question

2 C₈H₁₈(l) + 25 O₂(g)  16 CO₂(g) + 18 H₂O(l)

Calculate the ΔH° for the combustion of octane shown above. The ΔH°_f of octane is -652.7 kJ/mol. Use the thermodynamic values in these Reference Tables. Round your answer to the number of decimal places allowed by the data.

 answer in kJ

Answer 1

The ΔH° for the combustion=$-452.6kJ$