Question:

When water at 4°C is warmed, it expands. When water at 4°C is cooled, it:?

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a)also expands b) both expands and contracts with no net change c) contracts

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  1. also expands. water has its highest density at 4 C.


  2. a) also expands. That is why ice floats

  3. Expands. Its density is lower after 4C. You can witness this becasue ice floats on water.

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