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At 25^(@)C temperature, the standard hea...

At `25^(@)C` temperature, the standard heat of formation of `CH_(4)(g),CO_(2)(g)` and `H_(2)O(g)` are -74.8 `kJ*mol^(-1),-393.5kJ*mol^(-1)&-241.6kJ*mol^(-1)`
respectively. How much heat will be evolved during combustion of `1m^(3)CH_(4)(g)` at `25^(@)C` temperature and 1 atm pressure ? Consider `CH_(4)(g)` behaves like an ideal gas.

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