8. In s ome cases, we choose to idealize a system so that the entropy produced w

Question

8. In s ome cases, we choose to idealize a system so that the entropy produced within the system is equal t relative to the second law? Give an example to justify your answers. If the you about the system? o zero. What are the implications of this idealization? What, physically, are we assuming 9. entropy transferred by heat across the system boundary is equal to zero, what does that tell 10. If the entropy transferred by heat across the system boundary is negative, what does that tell you about the system or process? 11. If the entropy transferred by heat across the system boundary is positive, what does that tell you about the system or process? 12. If the entropy generated within the system is equal to zero, what does that tell you about the system or process? 13. If the entropy generated within the system is positive, what does that tell you about the system or process?

Explanation / Answer

Answer :-

9. The system is well-insulated and there is no heat transfer into the system and also out of the system.

10. If the entropy transferred is negative, then it shows that heat is rejected by the system.

11. If the entropy transferred is positive, then it shows that heat is supplied to the system.

12. If the entropy generated within system is zero, then it shows that the process is reversible.

13. If the entropy generated within system is positive, then it shows that the process is irreversible.

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