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MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

A gas absorbs 250 J of heat and expands from 1 litre to 10 litre at constant external pressure of 0.5 atm. The values of q, W and will be respectively

Answer: (B)

Solution

q = +250 J (heat absorbed), W = -p = -0.5 x 9 L atm = -4.5 x 101.3 = -456 J (work done by the gas), so

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Question ID VK-064449