A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system

Question: A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system
[A].

its internal energy (U) decreases and its entropy (S) increases.

[B].

U and S both decreases

[C].

U decreases but S is constant.

[D].

U is constant but S decreases.

Answer: Option B

Explanation:

No answer description available for this question.