1.

For a process to occur spontaneously (A) only the entropy of the system must increase (B) only the entropy of the suroundings must increase (C) either the entropy of the system or that of the surroundings must increase (D) the total entropy of the system and the surroundings must increase  

Answer»

Correct Option :- (D) the total entropy of the system and the surroundings must increase

Explanation :-

(∆S)system + (∆S)surrounding > 0 (irreversible process) 



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