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MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

Heat of formation of is kJ. What is the heat of combustion of 4 g of S? [MHTCET 2004]

Answer: (B)

Solution

releases 298 kJ per mol (32 g) of S, so 4 g (0.125 mol) gives $-298 × 4/32 = -37.25\

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Question ID VK-064845