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MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

Calculate the heat of reaction at 298K for the reaction . Given that the heats of combustion of ethylene, hydrogen and ethane are 337.0, 68.4 and 373.0 kcal respectively.

Answer: (C)

Solution

Heat released = (heats of combustion of reactants) - (heat of combustion of product) = 337.0 + 68.4 -

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Question ID VK-064300