Question

explain the second law of thermodynamics​

Answer 1

Answer:

The second law of thermodynamics states that the total entropy of an isolated system can never decrease over time, and is constant if and only if all processes are reversible. Isolated systems spontaneously evolve towards thermodynamic equilibrium, the state with maximum entropy.

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Answer 2

Answer:

2nd law of thermodynamics :

It is stated in different forms,

• It is impossible for a self - acting machine , working in a cyclic process , to transfer heat from a colder body to a hotter body without an aid of an external agency.
• simply , the 2nd law of thermodynamics implies that no heat engine can have efficiency equal to 1 ( or 100%)