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OK, somebody explain how this works


rajncajn
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I'm guessing the beer is already at freezing temps, but the pressure keeps it from actually freezing. Then when you tap it & the carbonation introduces air it causes it to 'freeze.' That's my guess anyway. :D

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I'm guessing the beer is already at freezing temps, but the pressure keeps it from actually freezing. Then when you tap it & the carbonation introduces air it causes it to 'freeze.' That's my guess anyway. :D

 

 

:Engineer: That's correct, the beer is held in liquid state due to the gas (carbon dioxide) in solution depressing the freezing point (similar to saltwater having a lower freezing point than regular water). When the beer is tapped, the agitation energy knocks the carbon dioxide out of solution, effectively raising the freezing point, causing the beer to freeze. :Engineer:

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:Engineer: That's correct, the beer is held in liquid state due to the gas (carbon dioxide) in solution depressing the freezing point (similar to saltwater having a lower freezing point than regular water). When the beer is tapped, the agitation energy knocks the carbon dioxide out of solution, effectively raising the freezing point, causing the beer to freeze. :Engineer:

 

I knew that but for the life of me couldn't put it into words.

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I knew that but for the life of me couldn't put it into words.

 

 

Explain this to your friends and use words like super-saturated and phase change suppression. Instant cred.

 

You can thank me later.

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