We're being asked to determine the process where the molecules become more orderly.
Recall that entropy is the degree of chaos or disorder of a system and that it depends on the following:
1. Phase: The gas phase has the highest entropy, followed by the liquid, and then the solid phase with the lowest entropy
Gas > Liquid > Solid
2. Complexity: More elements in the compound leads to higher entropy.
In which of the following processes do the molecules become more orderly?
A) Water evaporating
B) Water freezing
C) Ice melting
D) Salt dissolving in water
E) Dry ice subliming
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