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| I am not a scientist, more of a curious observer, but enjoy reading all your questions and comments, most of which I don't really understand. If this question is beneath you guys, I apologize for posting. When I make a mug of coffee in the morning, I boil the water and pour it into the mug until it is full. By the time the coffee is cool enough to drink, it no longer fills the mug. I figure this is normal expansion and contraction due to the heat causing increased atom activity which decreases as the liquid cools. I then assume that the liquid, assume water, continues to contract as cooling takes place. But, when the water is cooled to the point that it freezes, then it once again expands. True, we now call the water by a different name, "ice", but it is still the same material that we boiled. Question: Does hot water continue to contract as it cools, up to the instantaneous point that it begins to freeze, and at that instant, cease contracting and begin expanding? Sorry for the dumb question, but I am curious. Bob |
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| properties , question , water |
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