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Answered 2011-11-17 16:07:38

This is a pervasive misunderstanding. It, in fact, does not freeze faster. Since the water is initially "hot", compared to "ordinary" water, the rate of temperature change is faster as it approches freezing (basic thermodynamics), however, hot water has a bigger range to travel than ordinary water

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water at room temperature freezes faster

The answer depends on a few variables including how much water you have, the temperature of the water before it's put in the freezer and what temperature is the freezer set at. A small amount of water will freeze faster than a large amount, hot water will freeze faster than room temperature water and water will freeze faster at 10 degrees fahrenheit than at 32 degrees fahrenheit.

Cold water freezes faster because hot water has to cool down to the freezing temperature before it can freeze.

Boiled water at room temperature should freeze faster because the oxygen that was in the water has been removed. It should also freeze clearer.

Warm water will not freeze faster because it will first need to cool and then freeze. If you take a two samples of water and boil sample A, let it cool so that both sample A and B are at the same temperature and then put them in the freezer, the boiled water (sample A) will freeze faster. Also, if you have tap water and purified water, the purified will freeze faster.

I think what you meant to ask was "Does cold water freeze faster than hot water?" It does because its temperature doesn't have to change as much.

Salt water does not freeze faster than pure water, and it freezes at a lower temperature. Salt is a form of anti-freeze, which is why it is put on roads in the winter, to help melt the snow.

The presence of salt lowers the freezing temperature

sciencefair.comSalt water freezes at a lower temperature. Therefore pure water would freeze faster.

No, it isn't faster, tap water freezes just at the same temperature as tap water

Water will freeze faster than salt water.

Cold water will freeze faster. Because the freezing point of water is 0oC, water that is closer to that point will freeze faster then hot water. This is because it will require less time to lower the temperature to the freezing point.

Yes. Water of any starting temperature must be cooled to 0 oC in order to freeze.

water will freeze faster do to the sugars andcarbohydratesin soda

It loses heat faster, and its temperature drops faster, but it takes more time to become solid.

Cold air and hot water makes water freeze faster simply because the hot water is steaming and so the result is that there is less water to freeze. hot water = steam = less water less water = faster freeze cold air = faster freeze

Does water freeze faster than vinegar?

I suppose that pure water freeze faster.

"Freeze faster" is hard to quantify.A solution of acetic acid in water (i.e. vinegar) freezes at a lower temperature than pure water does, if that's what you mean, but I think you'd probably call that freezing slower, not faster.

On the contrary, it takes longer for salt water to freeze - it freezes at a lower temperature than fresh water does.

I do not know the answer but i think hot water will freeze faster than cold water. wizgirl says~ i do not believe that water will freeze faster. that does not make sense at all.

no salt water does not freeze faster than sugar.

Salt water will freeze faster because salt soaks in heat, making the water colder faster

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