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Well i Have actually done the test for myself hot water freezes in my freezer quicker than the cold water ....I did this about 5 years ago and I was shocked ...I used to could tell you why it would but I have lived too much life and I forgot more than I will ever know!! LOL

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13y ago
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11y ago

Room temperature water freezes faster. In order to make water freeze, it has to be cooled to below 0 degrees C. Assuming that you are trying to cool this water by placing it in a subzero area (like a freezer or outside if you live in a cold place), it will take longer for the environment to absorb 100 degrees of heat than 25, since the rate of cooling will be the same for both.

Boiling water may boil off impurities which would lower the freezing point of water. For example, if your water contains 25% alcohol, if you boil half of it and then restore it to room temperature, the half that you boiled will freeze faster than the half you did not, since the boiling removes the alcohol which has a lower freezing point than water. (That's why you can safely store booze in the freezer)

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Q: What freezes faster boiling water or room temp?
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