Question: Determine H for the reaction 2CH4 ( 2H2 + C2H4 Given these data: CH4 + 2O2 ( CO2 + 2H2O H = 891 kJ C2H4

Determine ΔH for the reaction
2CH4 ( 2H2 + C2H4
Given these data:
CH4 + 2O2 ( CO2 + 2H2O
ΔH = −891 kJ
C2H4 + 3O2 ( 2CO2 + 2H2O
ΔH = −1,411 kJ
2H2 + O2 ( 2H2O
ΔH = −571 kJ

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