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MHT CET 2022 Chemistry question

ChemistryThermodynamicsMHT CET 2022

When 2.0 g sucrose is oxidised forming and the internal energy changes by 24 kJ. Calculate the value of at 298 K in kJ/mol. (molar mass of sucrose = 342 g )

Answer: (A)

Solution

The combustion reaction is . The change in the number of moles of gas is , so . Per mole: 2.0 g of sucrose releases 24 kJ, so 342 g

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Question ID VK-094002