Question

What is entropy ? What is the unit of entropy ? What is the significance of entropy change ?​

Answer 1

Answer:

Entropy is a function of the state of the system, so the change in entropy of a system is determined by its initial and final states. In the idealization that a process is reversible, the entropy does not change, while irreversible processes always increase the total entropy.

If you increase temperature, you increase entropy. (1) More energy put into a systemexcites the molecules and the amount of random activity. (2) As a gas expands in a system, entropy increases.

Explanation:

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Answer 2

Answer:

Entropy, the measure of a system's thermal energy per unit temperature that is unavailable for doing useful work. Because work is obtained from ordered molecular motion, the amount of entropy is also a measure of the molecular disorder, or randomness, of a system.