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This works with any carbonated beverage (never use beer). Take your beverage and cool it down to a temperature around 20F or -7C. Either the freezer or outside if it is cold enough. When opened it will freeze instantly.The reason:This demonstrates the principle of freezing point depression. Pure water at 1 atm will freeze at 0C or 32F. When something is dissolved in it the freezing point drops to a lower temperature. This is why when roads are salted there are puddles even though the temperature is below freezing. The more salt the lower the temperature must go before it freezes. When you open the bottle it does the opposite. The freezing point goes from (a guess) -10C to around 0C when the CO2 leaves the solution (the concentration decrease). Since the soda is at -7C it freezes instantly when the CO2 leaves the solution.
Because freezing liquids containing a lot of water in glass bottles may make the bottle break or even explode when the water expands. You can freeze beer to do this also but if you leave it in too long it will break the bottle.
By Necrosaro 1169966787filled ot the top, it will explode when frozen as ice needs space to form
By Master_Crash 1175610069Well.. ive seen loads of videos doing this with beer, and i thought to myself...i've gotta try this! But...as i thought about it; i decided not to as i know that when u freeze something it expands. Freezing beer unopened in a GLASS bottle with a METAL cap would not be the greatest ideas. IT WILL EXPLODE! However it works with plastic as it is not as rigid as glass and will simply stretch the bottle.
I think thats right.
Can u please reply kentchemistry?
My guess is that the alcohol in the beer will act as an antifreeze. Although the exploding glass sounds plausible too.
By vanmankline 1174951544"Easier to understand explaination" the very last paragraph
By UofTchem 1195712572It is a simple Physics application of Boyle's Law. Liquids under pressure have a lower freezing point (and a higher boiling point - hence the pressure cap in your car radiator) than liquids at normal atmospheric pressure (NAP). When you unscrew the cap, the CO2 escapes, the liquid in the bottle is returned to NAP and then because it is at a lower temperature than 32 Fahrenheit (freezing point at NAP) it instantly freezes.
By alexthe great 1169951709The man's got it. I was hoping I wouldn't have to post this explanation myself.
By RoughingMinor 1170004242boyles law relates pressure and volume of ideal gases by the relation
P1V1=P2V2 or stated in another form PVαk
where k is a constant
it says nothing about about the freezing point of liquids
in fact boyles law only governs gases and not liquids. so i have no idea where youre coming from
and i've never heard of the acronyme NAP i think you might mean SATP which is Standard Ambient Temperature and Pressure
what exactly do you do? step by step please
By bmxicano 1171930114you do is take an unopened bottle of soda and put somewhere at about 20 Fahrenheit and then once its at the designated temp you open it and it freezes. look at alexthe great's comment. i dont want to explain it.
By happyymeal 1191203909Do you have to squeeze the bottle as you break the seal?
By AUSTINSLACKER 1169973198just open it. but make sure the bottle is lower than 32 degrees F.
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Well i tried to do this experiment , i put the bottle in the freezer (and i shaked it before, maybe i wasn't supposed to do that),took it out later but it was already half-frozen and when i turned off the cork the icy mush started spraying out.LOL!Was that supposed to happen :) ?
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They didnt teach us how to do it in the video???? Cuz i wanna know
By Anjelica420 1176683679all u have to do is put it in the freezer for a couple of hours then open it and it will freeze on the spot!
By D13GO 1173398462You mean to tell me that before the drink freezes, you have to cool the drink down to below freezing??? Holy crap science rules.
By athenaze 1170110516is it cos beer contains alcohol and will have a lower freezing point?
i though it happened because of the cooling effect of expaning gas? the liquid was almost frozen anyway and the action of opening the bottle and letting the gas out cools it that little bit more?
this was done with soda, and if beer was used alcohol does not cause this effect, its the presure relesed when he opend the bottle. when done with beer the alcohol actualy freezes before the rest.
By seth845 1173476290Not meaning to diss your explanation but I, and im sure many people have seen this done with water.
i dont know the exact chemistry but water will not freeze at like -5C if it is kept STILL. as soon as it is stirred or moved, it will start to go solid. i get the feeling this is kinda the same with the bubbles 'moving around' the liquid.
The principle is similar, but what your talking about involves some impediment to the formation of a crystal structure. This has to do with pressure instead.
By RoughingMinor 1170004382he has it more correct than you or alex
and it does involve disorder in the crystalline structure (its ice ffs crystalline water....)
the release of CO2 removes the causes of disorder
Alright, this reaction is NOT caused because you are "releasing CO2 from the beverage." It has to do with Boyle's law for those of you that are into physics. There is a direct relationship between pressure and temperature. More pressure equals higher temperature; release the pressure and the temperature drops like a brick! The reason the drink ices over when you open it is the same reason that a compressed air duster gets cold when you use it awhile. When you open the bottle, you release pressure on the liquid, which instantly lowers the temperature of the liquid and simultaneously raises the freezing point. Even with BEER! Try it with a beer in the freezer, but don't leave it there too long or it will raise the pressure inside the bottle so much it EXPLODES in your freezer!
By tpartida 1170552730Where is the "instant" freezing in that?!
He's saying cool down the temp to -7C then open the cap and it freezes, but if we cool down the soda to -7C it'll freeze anyway!
Or he means: Take the soda somewhere at -7C and wait for 15 minutes then come back in and open?
Hmmmmm