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When a certain amount of ethylene was burnt 6226kj heat was evolved. If heat of combustion of ethylene is 1411 kj then the volume of Oxygen at NTP that entered in reaction is ??

When a certain amount of ethylene was burnt 6226kj heat was evolved. If heat of combustion of ethylene is 1411 kj then the volume of Oxygen at NTP that entered in reaction is ??

Grade:11

2 Answers

satyanarayana k
13 Points
7 years ago
For combustion of ethylene at NTP 3 moles of oxygen is required I.e.3×22.4 litres, then evolved 1411 Kj heat.So for evolving 1411 Kj 3×22.4 litres, then for 6226kj requires 6226×3×22.4/1411=296.51 litres oxygen is required. C2H4+3O2→2CO2+2H2O
Santosh
15 Points
5 years ago
The heat of combustion of carbon and carbon monoxide are -394 and -285 kj mol respectiveel.t he heat of formation of CO in kj mol is

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