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Heat of formation of CO(2)(g), H(2)O(l) ...

Heat of formation of `CO_(2)(g), H_(2)O(l)` and `CH_(4)(g)` are `-94.0, -68.4` and `-17.9` kcal respectively. The heat of combustion of methane is

A

`-212.9 " kCal " " mol"^(-1)`

B

`-136.8 " kCal" " mol"^(-1)`

C

`-304.3 " kCal" " mol"^(-1)`

D

`-105.2 " kCal" " mol"^(-1)`

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