For complete combustion of ethanol , C2H5OH(l)+3O2(g)→2CO2(g)+3H2O(l), the amount of heat produced as measured in bomb calorimeter is ,1364.47 kJmol−1 at 250C.Assuming ideality the Enthalpy of combustion , △cH,for the reaction will be : (R=8.314kJmol−1)