Posted: Jul 01, 2012 12:39 am
gustavfenk wrote:My hypothesis is that to freeze water what you are doing is "curing" the water of its liquidness. It is heat that causes the water to be liquid. We all know that like cures like, so the heat in the hot water acts as a medicine to cure the water of its liquid state. As the hot water gets cooler, the heat is becoming more diluted and therefore acts as an increasingly powerful medicine. This is why the hot water freezes faster than cool water.
But doesn't the hot water become exactly the same as the cool water at some point in the freezing process? Well, yes it does but the hot water has a "memory" of its previous hotness and therefore is different to the water that started off cool.
I am confident that sucussing the hot water would further increase its rate of freezing. I will do some experiments to try this out but I don't think that it is the kind of thing that can be tested using "science".
Well done.