Under isothermal condition, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is (Given that 1 L bar =100 J )

Question

Accepted Answer

Correct answer: A. (a) ∴w_ irr=-P_ ext V =-2 bar (0.25-0.1 )L =-0.30 L- bar =-0.30 100 J=-30 J

$Under isothermal condition, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is (Given that 1 L bar = 100 J)$

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