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The second law of thermodynamics is a fu...

The second law of thermodynamics is a fundamental law of science. In this problem, we consider the thermodynamics of an ideal gas, phase transition, and chemical equilibrium.
Three moles of `CO_(2)` gas expands isothermally (in thermal contact with the surroundings, temperature `= 15.0^(@)C`) against a fixed external pressure of `1.00 bar`. The initial and final volumes of the gas are `10.0 L` and `30.0L`, respectively.
Assuming `CO_(2)` to be an ideal gas, `Delta_(sys)S` is

A

`27.4 JK^(-1)`

B

`9.1 JK^(-1)`

C

`-27.4 JK^(-1)`

D

`-9.1 JK^(-1)`

Text Solution

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The correct Answer is:
A
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