The standard heat of formation (∆H ) of ethane (in kJ/mol), if the heat of combustion of ethane, hydrogen and graphite are -1560, -393.5 and -286 kJ/mol, respec | Thermodynamics and Thermochemistry — Chem-Mantra | Chem-Mantra

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Thermodynamics and ThermochemistryhardNUMERICAL

Question

The standard heat of formation (∆H ) of ethane (in kJ/mol), if the heat of combustion of ethane, hydrogen and graphite are -1560, -393.5 and -286 kJ/mol, respectively, is_______. f 298°

Answer: -192.50

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