Question

The combustion of octane produces heat according to the equation 

2C₈H₁₈(l) + 25O₂(g) →16CO₂(g) + 18H₂O(l) ΔH°_rxn= –11,020 kJ/mol 

What is the heat of combustion per gram of octane?

(A) –5,510 kJ/g

(B) –96.5 kJ/g

(C) –48.2 kJ/g

(D) –193 kJ/g

(E) –6.292 x 10⁵ kJ/g

Answer 1

(C) –48.2 kJ/g