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Q 2656256174.     A gas mixture of `3.67 L` of ethylene and methane on complete combustion at `25° C` produces `6.11 L` of `CO_2` Find
out the amount of heat evolved on burning `1 L` of the gas mixture. The heat of combustion of ethylene and methane
are `- 1423` and `- 891 kJ mol^(-1 ) ` at `25°C`.
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)