NEET Chemistry Thermodynamics Questions Solved

A gas mixture consisting of 3.67 litres of ethylene and methane on complete combustion at 25C produces 6.11 litres of CO2. Find out the amount of heat evolved on burning one litre of the gas mixture. The heats of combustion of ethylene and methane are -1423 and -891 kJ mol-1, respectively, at 25C.

1. 30.88 kJ

2. 20.28 kJ

3. 50.88 kJ

4. 60.18 kJ

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