Question

What is entropy? What is it's formula?

Answer 1

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ur answer

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Entropy Formula. Entropy Formula. Entropy is a thermodynamic function used to measure the randomness or disorder of a system. For example, the entropy of a solid, where the particles are not free to move, is less than the entropy of a gas, where the particles will fill the container.

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Answer 2

1. Entropy is the measure of disorders or randomness of the particular system.
2.A large element of chance is inherited in the natural processes
3. It depends on the initial and final state of the system, the absolute value of entropy cannot be determined.
4. Entropy Formula is expressed as
Delta S = Sf -Si
5. Entropy is based on change in entropy (ds) during physical or chemical changes and expressed as dS = dq rev / T
6. The units for entropy is calories per degree or Cal deg-1. 
7.Molar Entropy is  written in joules per kelvin per mole (JK-1mol-1)