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Question

Chemistry Question on Enthalpy change

The enthalpy of combustion of propane, graphite and dihydrogen at 298 K are -2220.0 kJ mol-1, -393.5 kJ mol-1 and -285.8 kJ mol-1, respectively. The magnitude of enthalpy of formation of propane (C3H8) is _____ kJ mol-1. (Nearest integer)

Answer

Enthalpy of combustion of propane, graphite and H2 at 298K are