If you place the water in a strong vessel and freeze how it can expand?

If you place the water in a strong vessel and freeze how it can expand?

Ice occupies about 10% more than water. And the first ice crystals that appear in the vessel will make the rest of the water compress. Water is compressed with great difficulty, so the pressure in it will begin to increase sharply. When half the liquid freezes, the density of the rest of the water will increase by 10%, and the pressure will increase to 2000 atmospheres.

With this pressure, water will be liquid even at –20 ° C. If you continue cooling, water will not turn into ordinary ice, but into the so -called ice III with another crystalline structure, which has a density of 1.16 g/cm3. This is one of almost two dozen well -known modifications of high pressure ice.

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