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18-05-2023
Chemistry

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The combustion of ethene, C2H4 , occurs via the reaction C2H4(g)+3O2(g)→2CO2(g)+2H2O(g) with heat of formation values given by the following table: Substance ΔH∘f ( kJ/mol ) C2H4 (g) 52. 47 CO2(g) − 393. 5 H2O(g) − 241. 8 Calculate the enthalpy for the combustion of 1 mole of ethene

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