Question

For an isolated system Delta U = 0 , What'll be delta S ?​

Answer 1

Answer:

Hey!

ΔS will be positive i.e., greater than zero

Since ΔU= 0, ΔS will be positive and the reaction will be spontaneous.

Hope it will be helpful ✌️

Answer 2

An isolated system is the one which neither energy not matter can enter/leave the system.

∆ S in the change in entropy. entropy is a measure of randomness or disorder in a system.more the randomness,more is the entropy of a system.

According to send law of thermodynamics the total entropy can never decrease over time for an isolated system.

The total entropy is constant in ideal cause where the system is in equilibrium,or undergoing a reversible process and approaches 0 at absolutely zero only.

In all spontaneous processes, the total entropy always increase and the process is irreversible.

Therefore,∆S is always greater than 0 ,∆ S >0

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