Some gas was compressed isothermally. This process was accompanied by a decrease in entropy (S=10 JK-1). Calculated the volume of the gas if it initially occupied the volume of 15.0 dm3 at 1.00 atm and 250 K. Does this violate the 2nd law of the thermodynamics stating that “the entropy of the isolated system can not decrease” ? Explain why.

Principles of Physics: A Calculus-Based Text
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Author:Raymond A. Serway, John W. Jewett
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Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics
Section: Chapter Questions
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  1. Some gas was compressed isothermally. This process was accompanied by a decrease in entropy (S=10 JK-1). Calculated the volume of the gas if it initially occupied the volume of 15.0 dm3 at 1.00 atm and 250 K.

    Does this violate the 2nd law of the thermodynamics stating that “the entropy of the isolated system can not decrease” ? Explain why.

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