For a process to occur spontaneously

Question

For a process to occur spontaneously (A) only the entropy of the system must increase (B) only the entropy of the surroundings 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

Tardigrade Admin · Accepted Answer

According to second law of thermodynamics, whenever a spontaneous process takes place, it is always accompanied by an increase in total entropy of the universe (system and surrounding).

Q. For a process to occur spontaneously

only the entropy of the system must increase

only the entropy of the surroundings must increase

either the entropy of the system or that of the surroundings must increase

the total entropy of the system and the surroundings must increase

According to second law of thermodynamics, whenever a spontaneous process takes place, it is always accompanied by an increase in total entropy of the universe (system and surrounding).