Chemistry / Chem 2084 · Atom · ~20 seconds
Entropy Rises with Mixing
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Entropy also rises when substances mix, since a mixture allows far more particle arrangements than the same substances kept apart.
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Salt water has higher entropy than pure water and dry salt stored separately, even though no reaction occurs.
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Mixing raises entropy with no reaction and no visible disorder change, so "nothing happened" is not evidence entropy stayed the same.