Gives the heats of combustion of ethylene,hydrogen,ethane as 337.2,68.3and 372.8kcal respectively ,calculate the heat of the reaction at 78°c , C2H4+H2--------->C2H6.
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Explanation:
) The standard enthalpy of combustion of ethene gas, C2H4 (g), is -1400 kJ/mol at 298 K.
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