Supercooling Water: How To Keep Liquid Below Freezing

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In summary, supercooling is the process of keeping a liquid, such as water, below its freezing point without it freezing. This occurs because water molecules need a nucleation point to form ice crystals, but when the water is pure and free of impurities, it can remain in a liquid state below its freezing point. Not all liquids can be supercooled, but those with similar structures to water, such as liquid ammonia, can also be supercooled. To prevent supercooled water from freezing, it must be kept in a clean and smooth container and handled gently to avoid triggering the formation of ice crystals. While supercooling water itself is not dangerous, disturbing it can cause instant freezing and potential harm, so proper caution and
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MindRafter
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How is it possible to supercool water, so that it remains liquid even below freezing point?
 
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you can disolve things like salt into it.
 
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No, that isn't supercooling, that's actually lowering the freezing point.

Supercooling is when you cool the water below freezing, but it is so pure and so undisturbed that there is nowhere for crystals to start forming. So having a clean container and doing it slow is pretty important.

http://www.Newton.dep.anl.gov/askasci/gen01/gen01672.htm
 

Related to Supercooling Water: How To Keep Liquid Below Freezing

1. How does supercooling work?

Supercooling is the process of keeping a liquid, such as water, below its freezing point without it freezing. This can be achieved by removing any impurities or nucleation points in the water, and then slowly cooling it down to below its freezing point.

2. Why does supercooling occur?

Supercooling occurs because water molecules need a nucleation point, or something to grab onto, in order to form ice crystals. When the water is pure and free of impurities, it can remain in a liquid state below its freezing point.

3. Can all liquids be supercooled?

No, not all liquids can be supercooled. Water, in particular, can be supercooled because of its unique molecular structure and the way its atoms bond together. Other liquids with similar structures, such as liquid ammonia, can also be supercooled.

4. How do you prevent supercooled water from freezing?

In order to prevent supercooled water from freezing, you need to keep it in a very clean and smooth container, free from any impurities or nucleation points. You should also handle the water gently and avoid any sudden movements or disturbances that could trigger the formation of ice crystals.

5. Is supercooling water dangerous?

Supercooling water itself is not dangerous, but the act of disrupting or disturbing supercooled water can be. When the water is disturbed or comes into contact with a nucleation point, it can instantly freeze, causing potential harm to anyone or anything nearby. It is important to handle supercooled water with caution and to always have proper protective gear when conducting experiments with it.

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