Alexis Rondeau

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Bookmarked from Physics In History @PhysInHistory

The second law of thermodynamics states that the entropy of the universe always increases in a spontaneous process. Entropy is a measure of the disorder or randomness of a system.

The inequality ΔS ≥ 0 means that the change in entropy of the universe is always greater than or equal to zero for any process. This implies that the entropy of the universe can never decrease, and that it will reach a maximum value when the system and its surroundings are in thermal equilibrium. ✍️