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Question
When water at 4oC is heated, it expands. When water at 4oC is cooled, it1) contracts,
2) expands,
3) neither contracts nor expands,
4) not enough information given,
which follows from the fact that
5) cooling decreases the kinetic energy of H2O molecules.
6) water has its greatest density at 4oC.
7) we do not know how the water is cooled.
Answer
This answer is hidden. It contains 3 characters.
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