Question

What is the criteria for spontaneity of a reaction in terms of free energy and entropy?

Answer 1

Entropy is related to the disorder is system. Imagine a room filled with toddlers, teenagers and senior citizens. The toddlers are likely running around the room. The senior citizens are likely sitting and talking with their peers. The teenagers are somewhere in between, the may talk with one group then move on to another. In this scenario, toddlers are more disordered than teenagers who are more disordered than senior citizens. The overall disorder is a system is dependent upon which group is more representative in the system.

Answer 2

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Entropy is related to the disorder is

system.