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DeltaH value for the given reactions at ...

`DeltaH` value for the given reactions at `25^(@)C` are-
`C_(3)H_(8)(g)to3C(s)+4H_(2)(g),DeltaH^(0)=103.8kJ*mol^(-1)`
`2H_(2)(g)+O_(2)(g) to 2H_(2)O(l),DeltaH^(0)=-571.6kJ*mol^(-1)`
`C_(2)H_(6)(g)+(7)/(2)O_(2)(g)to2CO_(2)(g)+3H_(2)O(l),DeltaH^(0)=-1560kJ*mol^(-1)`
`CH_(4)(g)+2O_(2)(g) to CO_(2)(g)+2H_(2)O(l),DeltaH^(0)=-890kJ*mol^(-1)`
`C(s)+O_(2)(g) to CO_(2)(g),DeltaH^(0)=-393.5kJ*mol^(-1)`
Calculate `DeltaH^(0)` for the reaction at `25^(@)C`
`C_(3)H_(8)(g)+H_(2)(g)toC_(2)H_(6)(g)+CH_(4)(g)`

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