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Answered 2009-06-14 17:15:15

it depends how hot the water is

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Yes. Hot water freeze faster than cold see Mpemba Effect.

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, hot water does not freeze faster since hot water has molecules that move around faster than frozen water. It would take a higher cooling point before it would freeze.

It has been proven that hot water freezes faster than cold water.

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

Hot water will freeze faster than vinegar because the hot water atoms will slow quickly and the vinegar will take longer to freeze because it contains an oil like sustance which take lionger to freeze.

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.

Yes it does. Cold water freeze slower than normal or hot water.

Hot and cold water and a freezer and a timer or stopwatch

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

which water will freeze faster? cold water with salt or hot water with salt????

AnswerHot water doesn't freeze fasterAccording to, hot water freezes faster than cold water.But I do not have any idea about your question.lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll

The fact that hot water may freeze faster than cold is often called the Mpemba effect

hot water freezes the fastest because it evaporates and there is less water to freeze!!!!!!!!!!!!!!!!

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

Hot water can in fact freeze faster than cold water for a wide range of it has to do everything that the initially cooler water has to do, plus a little more.

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

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.

Because the particles in the cold water are slower than the particles in hot water and they become slower and slower until it freezes.

Because hot water makes things melt and cold water makes things freeze.

No. It takes longer to freeze because cold water is closer to it's freezing point.

Actually hot water freezes faster then cold water this is known as the Mpemba effect. The effect was first observed by Aristotle in the 4th century BC.

Yes ,the higher the temperature gradient between the hot water and room temperature, the faster it cools. However, that does not mean that hot water will freeze faster than cold water (a common urban legend). If you have water at 50°C in a room at 20°C, it will cool from 50° to 40° faster than it will cool from 40° to 30°.

Why is the second paragraph a contradiction of the first? If hot water pipes 'Absolutely' do not freeze faster than cold water pipes then why the comment about the cold water pipes having a larger diameter which causes them to freeze at a slower rate than the smaller hot water pipes? Also, the word then in the last line should be thanand there should be an a between usually and larger. And, piping should be changed to pipe.