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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.
Select the correct order of the entropy change.

A

`DeltaS_("syst") gt 0, DeltaS_("surr") =0`

B

`DeltaS_("sys") lt 0, DeltaS_("surr") gt 0`

C

`DeltaS_("sys") gt 0, DeltaS_("surr") lt 0`

D

`DeltaS_("sys") =0, DeltaS_("surr") =0`

Text Solution

Verified by Experts

The correct Answer is:
C
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