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A marginally related question for the experts here: I love extremely cold water, juices and drinks, so I often keep them in the freezer in plastic bottles. Now,
by squarefoot 6y ago
A marginally related question for the experts here: I love extremely cold water, juices and drinks, so I often keep them in the freezer in plastic bottles. Now, if I take out a bottle of something that is just about to freeze, as soon as I open the bottle, it almost immediately freezes although I am certainly not removing heat from it but actually doing the opposite by keeping it with my hands, not to mention the warmer environment in which it is now.
I couldn't explain it in any other way than with the different pressure, that is, the water expands when it freezes, so the almost freezing liquid is already under higher internal pressure compared to the moment it was closed, but as soon as I open it the pressure drops abruptly, which would be enough to compensate for the higher temperature, de facto freezing the water.
Is this correct?