Plz explain this question ... ure ot oxyg ditc xygen and steam the sece over coke and at the same time, the ten perhange, the composition shoul be

ture ot OXyg ditc xygen and steam the sece over coke and at the same time, the ten peratur H,O) is paf heat evolved on uring one litre of the gas mixture. The heats of combustion of ethylene and ethane are -1423 and -891 kJ mol at 25°C. (I1T 1991) tion 3.67 lit.