explain how the effect of heating on water
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Answer:
It expands
Explanation:
When water is heated, it expands, or increases in volume. When water increases in volume, it becomes less dense. As water cools, it contracts and decreases in volume. When water decreases in volume, it becomes more dense.
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When water is heated the air dissolved in it expands, forming tiny bubbles. These rise, until the cold water near the surface chills them, then they contract, and sink again. When all the water has become warm they rise and escape. By this time the heat is beginning to change the water into steam, an invisible gas. The word vapor is applied to gases that under ordinary circumstances are liquid. Steam, therefore, is water-vapor.
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