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MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

The heat of formation of water is 260 kJ. How much is decomposed by 130 kJ of heat? [MHTCET 2010]

Answer: (C)

Solution

Decomposition of 1 mol of water needs 260 kJ (reverse of formation), so 130 kJ decomposes

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Question ID VK-064828