U19. One version of the Second Law of Thermodynamics for any spontaneous process

Question

U19. One version of the Second Law of Thermodynamics for any spontaneous process includes the statement AS universe = (ASSystem + AS surroundings) > 0 Which is the best interpretation of this statement? (a) For any spontaneous process, the entropy of the universe increases. (b) For any spontaneous process, the free energy change is negative. (c) For any spontaneous process, the entropy change for the system is positive (d) For any spontaneous process, the entropy change for the system is less than the * entropy change for the surroundings. (e) For any spontaneous process, the entropy change for the system is greater thatn the entropy change for the surrounds.

Explanation / Answer

Ans : a) for any spontaneous process , the entropy of the universe increases

According to the second law of thermodynamics, the entropy of the universe always increases during a spontaneous reaction , where the free energy change is negative.

So the changes of entropy of universe is never negative.

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