Why does hot water sometimes freeze faster than cold water?
The main factors appear to be:Evaporation : More hot water will evaporate than cold water,thus reducing the amount of water remaining to be frozen. …Supercooling : Hot water tends to experience less of a supercooling effect than cold water. …Convection : Water develops convection currents as it cools. …More items…
Which hot or cold water will freeze faster?
Hot water seems to freeze faster than cold water, known as the Mpemba effect. The effect was named after the Tanzanian student who in 1963 noticed that hot ice cream mix freezes faster than a cold one. The effect was first observed by Aristotle in the 4th century BC, then later Francis Bacon and Ren Descartes.
Does hot water freeze more quickly than room temperature?
You’ll get frozen ice cubes significantly faster by starting with hot water than cold. Does boiling water freeze faster than room temperature water? If the water is initially hot, cooled water at the bottom is denser than the hot water at the top, so no convection will occur and the bottom part will start freezing while the top is still warm.
Does cold water Defrost Faster than hot water?
Hot water should always defrost things faster than cold water. That’s because the rate of heat flow between two objects always increases as the temperature difference between them increases. READ: What are the 6 food taste in Japan?