The standard heat of formation of `NO_(2)(g)` and `N_(2)O_(4)(g) ` are `8.0` and `4.0 kcal mol ^(-1)` respectively. The heat of dimerisation of `NO_(2)` in kcal is`

The standard heats of formation of NO_(2)(g) and N_(2)O_(4)(g) are 0.8 and 2.0 Kcal mol^(-1) respectively the heat of dimerization of NO_(2) in Kcal is

The stadard heats of formation of NO_(2)(g) and N_(2)O_(4) (g) are 33.5 and 8.4 kJ mol^(-1) respectively. The heat of dimerisation of NO_(2) in kJ is

The standard heats of formation in Kcal mol^(-1) of NO_(2)(g) and N_(2)O_(4)(g) are 8.0 and 2.0 respectively. The heat of dimerization of NO_(2) in Kcal is. Given : 2NO_(2)(g)hArr N_(2)O_(4)(g)

Heat of formation of CO_(2)(g),H_(2)O(l)andCH_(4)(g)"are"-94,-68.4 and-17 .9 "kCal" " mol"^(-1) respectively, the heat of combustion of CH_(4)(g) is :-