Question

Imagine that the system you are studying has an entropy gauge that read ½ before a...

Imagine that the system you are studying has an entropy gauge that read ½ before a spontaneous process occurred and ¼ after the process occurred. Imagine also that the surroundings entropy gauge read ½ before the above process occurred and ¾ after the process occurred. Would such a scenario be consistent with the Laws of Thermodynamics? Hint: consider the 2nd Law of Thermodynamics.

A) Yes, the above-described scenario is consistent with the Laws of Thermodynamics.
B) No, the above-described scenario is not consistent with the Laws of Thermodynamics.
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Answer #1

all spontaneous processes produce an increase in the entropy of the universe.

according to second law of thermodynamics:-

(S)universe = (S)system +  (S)surrounding

(S)universe = (1/4-1/2) + (3/4-1/2)

(S)universe = 0

hence, No, the above-described scenario is not consistent with the Laws of Thermodynamics.

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