NEET 2004 Chemistry question

Chemistry Thermodynamics NEET 2004

The work done during the expansion of a gas from a volume of 4 dm to 6 dm against a constant external pressure of 3 atm is :-

(1) JCorrect
(2) J
(3) J
(4) J

Answer: (1)

Solution

Work of expansion against constant external pressure (work done by the system is negative): P_{ext}$Δ V = -3\ atm×(6 - 4)\

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Question ID VK-089433