Question

The combustion of butane produces heat according to the equation 

2C₄H₁₀(g) + 13O₂(g) → 8CO₂(g) + 10H₂O(l) ΔH°_rxn = –5,314 kJ/mol 

What is the heat of combustion per gram of butane?

(A) –32.5 kJ/g

(B) –45.7 kJ/g

(C) –91.5 kJ/g

(D) –2,656 kJ/g

(E) –15,440 kJ/g

Answer 1

(B) –45.7 kJ/g