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

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 :-

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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