Question

Given the following standard heats of reactions: (i) heat of formation of water = -68.3kcal, (ii) heat of
combustion of C2H2 = -310.6 kcal and (iii) heat of combustion of ethylene = -337.2kcal. The heat of the
reaction for the hydrogenation of acetylene at constant volume and at 250C is​

Answer 1

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