When water is supercooled it freezes at a temperature below?
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When water is supercooled it freezes at a temperature below?
When water is supercooled, it freezes at a temperature below 0 °C.
What is it called when a liquid freezes?
Freezing is a phase transition where a liquid turns into a solid when its temperature is lowered below its freezing point. Although some authors differentiate solidification from freezing as a process where a liquid turns into a solid by increasing the pressure, the two terms are used interchangeably.
What causes a lower freezing point?
Freezing point depression is the phenomena that describes why adding a solute to a solvent results in the lowering of the freezing point of the solvent. When a substance starts to freeze, the molecules slow down due to the decreases in temperature, and the intermolecular forces start to take over.
What happens when a liquid freezes?
Freezing occurs when a liquid is cooled and turns to a solid. Eventually the particles in a liquid stop moving about and settle into a stable arrangement, forming a solid. This is called freezing and occurs at the same temperature as melting.
How does water stay liquid below freezing?
At standard pressure, pure water can be supercooled to as low as about -40 degrees Celsius. Supercooled water is kept from freezing only by the lack of nucleation centers. Therefore, once nucleation centers are provided (which could be as simple as a vibration), the supercooled water quickly freezes.
Can water stay liquid below freezing?
Yes, water can stay liquid below zero degrees Celsius. When we apply pressure to a liquid, we force the molecules to get closer together. They can therefore form stable bonds and become a solid even if they have a higher temperature than the freezing point at standard pressure.
How do liquids freeze?
Freezing. When a liquid is cooled, the average energy of the molecules decreases. At some point, the amount of heat removed is great enough that the attractive forces between molecules draw the molecules close together, and the liquid freezes to a solid. Microscopic view of a liquid.