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JEE Main Chemistry question

ChemistryThermodynamicsJEE Main

Standard molar heat enthalpy for converting carbon from graphite and diamond form into vapour state directly are 725 and 713 kJ respectively. The standard enthalpy change for polymorphism of 1 g carbon is … (in kJ)

Answer: 1

Solution

$→ = → C(g)] -

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Question ID VK-135322