Question

What does the second law of thermodynamics state?

Answer 1

1. According to the second law of thermodynamics, for a spontaneously occurring process, there is a change in entropy.
2. In simple words, the law states that the entropy of an isolated system will never decrease over time.
3. The mathematical expression for the second law of thermodynamics is, $∆\mathrm{S}>0$.
4. Here, $∆\mathrm{S}$is change in entropy.