Question

34. One mole of an ideal gas expands from 5 bars to 1 bar at 298 K. Calculate
the work done (a) for reversible expansion
(b) for an expansion against a constant external pressure of 1 bar.​

Answer 1

Answer:

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Explanation:

Correct option is

B

-5744 J

The work done for an isothermal process is given by:

Work done (W)=−nRTln(

V

1

V

2

)=−1×8.314×300×ln(

25

250

)

∴ Work done(W)=−5744J