Question

what is entropy ? what is the unit of entropy​

Answer 1

Answer:

The entropy of an object is a measure of the amount of energy which is unavailable to do work. Entropy is also a measure of the number of possible arrangements the atoms in a system can have. In this sense, entropy is a measure of uncertainty or randomness.

joules per kelvin (J⋅K−1)

Explanation:

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Answer 2

a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system.

Entropy. Common symbols. S. SI unit. joules per kelvin (J⋅K−1)