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Isn't it possible to come up with a transformation of an ideal gas such that , where is the entropy of the gas? For example, if we remove heat from the gas (e.g., by bringing the gas into contact with a cold reservoir), doesn't that DECREASE the entropy of the gas?

Isn't it possible to come up with a transformation of an ideal gas such that LaTeX Code: dS < 0 , where LaTeX Code: S is the entropy of the gas? For example, if we remove heat LaTeX Code: dQ from the gas (e.g., by bringing the gas into contact with a cold reservoir), doesn't that DECREASE the entropy of the gas?

Grade:12

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
10 years ago

Dear nitin,

No problem with decreasing the entropy of something. But you have to increase the entropy of something else.

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