Calculate the enthalpy change per gram for the combustion of ethane (C2H6(g)).

Answer 1

Calculate the enthalpy of reaction for H2(g) + C2H4(g) → C2H6(g).
[ΔH°f(C2H4(g)) = 52.3 kJ/mol; ΔH°f(C2H6(g)) = –84.7 kJ/mol]
–137 kJ/mol