MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryThermodynamics and ThermochemistryPrevious Year Questions
The work done during the expansion of a gas from a volume of 4 dm3 to 6 dm3 against a constant external pressure of 3 atm is (1 L atm = 101.32J) (2004)
A.–6 J
B.–608 J✓ Correct
C.+304 J
D.–304 J
Explanation
Work = – Pext × volume change = –3 × (6 – 4) × 101.32 = 6 × 101.32 = 607.92 J~ – 608J
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