Mysterious Water Freezes Instantly in Cold Climate

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A user experienced an unusual phenomenon when a bottle of Poland Spring water froze into a slush after being shaken in extremely cold conditions (-5F) on an uninsulated porch. This behavior is attributed to the water being "super-cooled," where it remains liquid below 32F due to a lack of nucleation points for ice crystal formation. Shaking the bottle introduces pressure fluctuations that can trigger ice formation. Additionally, for carbonated water, the release of gas bubbles can raise the freezing point, contributing to this effect. This discussion highlights the intriguing properties of water under specific temperature and pressure conditions.
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Got a question about something that happened to me today, hoping someone might have an answer that might explain it. I went to get a bottle of water from the fridge that is out in our porch where there is no insulation from the outside. In New England it is very cold about -5F today. I opened the bottle of water (poland spring) then put the cap back on shook it and it imediatly froze to a slush. Now I have seen this type of behavior in super saturated liquids, when something is placed or dropped it immediatly forms solids, but of course I don't believe this has anything to do with it. I don't believe the bottles are pressurized for safety measures. It just seemed really weird can anyone give a remote explanation of what occurred I ahvegone through several physics classes and one chemistry class but never heard r seen this done.
 
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Water was 'super-cooled'. When water cools below O C, or 32 F (actually a bit lower because of dissolved salts), but there are no nucleation points, then the ice crystals do not form. Similarly, it is possible to create super-heated water that is hotter than boiling, but is still which will explode into boiling when stimulated.

Shaking the bottle creates local spikes and troughs in pressure that facilitate the formation of ice.

For carbonated water there is an additional factor that as the bubbles escape, the freezing point of the water rises.
 
i had a bottle of pop do that a week ago, thanks boggled me too
 

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