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JEE Main 2022 Chemistry question

ChemistryThermodynamicsJEE Main 2022

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

Answer: 104

Solution

The formation reaction 3C(graphite) + has (H_{2})$ - Δ

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Question ID VK-024795