Question

why does water expand the heated?

Answer 1

Answer:

An increase in temperature caused the water molecules to gain energy and move more rapidly, which resulted in water molecules that are farther apart and an increase in water volume. ... When water is heated, it expands, or increases in volume. When water increases in volume, it becomes less dense.

Explanation:

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Answer 2

it is due to anomalous expansion of water during at the temperature of 4°c or at the density of 1gcm3.

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