Calculate  the standard enthalpy of combustion of `CH_(4)`, it standard enthalpies of
Channel: Doubtnut
Date: 2020-08-02

Calculate  the standard enthalpy of combustion of `CH_(4)`, it standard enthalpies of formation of `CH_(4(g)),H_(2)O_((l)),` and `CO_(2(g))` are `-74.81kJ mol^(-1), -285.83kJ mol^(-1)` and `-393.51kJ mol^(-1)` respectively.