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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

A thermodynamic process occurs in which the entropy of a system changes by −6 J/K. According to the second law of thermodynamics, what can you conclude about the entropy change of the environment? (a) It must be +6 J/K or less. (b) It must be equal to 6 J/K. (c) It must be between +6 J/K and 0. (d) It must be 0. (c) It must be +6 J/K or more.

To determine
the entropy change of the environment when the entropy of the system changes to 6J/K

Explanation

Given Info: The entropy change of the system is 6J/K .

Conclusion:

Clausius statement of The Second law of thermodynamics states that in any reversible or irreversible thermodynamic processes, the total entropy of the universe must either remain constant for reversible process or increases for irreversible process. So, when entropy of the system changes to 6J/K it can be concluded that the change of entropy of the environment must be +6J/K or more. Thus, option (e) is correct.

The entropy change of universe can never be less than the entropy change of system

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