The combustion of 5.00 g of C2H6(g) emits 259 kJ of heat at…
The combustion of 5.00 g of C2H6(g) emits 259 kJ of heat at constant pressure. Calculate the enthalpy of combustion, ΔHcom, for the reaction in kJ/g. 2 C2H6(g) + 7 O2(g) → 4 CO2(g) + 6 H2O (l)