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  • 1.0 mol of a monoatomic ideal gas is expanded from state (1) to state (2) as shown in figure. Calculate the work done for the expansion of gas from state (1) to state (2) at 298 K.

1.0 mol of a monoatomic ideal gas is expanded from state (1) to state (2) as shown in figure. Calculate the work done for the expansion of gas from state (1) to state (2) at 298 K.

Answers (1)

We can conclude from the figure that this change is a reversible change.

Now,

W=-2.303\; nRT\; log\; p1/p2

= -2.303 \times 1 \times 8.314 \times 298 \times log \; 2

= -2.303 \times 8.314 \times 298 \times 0.3010\; J

=-1717.46\; J

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infoexpert22

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