The Air Pressure Experiment
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Uploaded by galen1106 on May 19, 2007
my science teacher showed me this
Uploader Comments (galen1106)
Top Comments
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magicman6363 you didnt pay attention in chem, the air pressure is around 14 pounds per square inch, with a vaccum made by boiling the water forcing the air out of the soda bottle then instantly cooling the water vapor back to water, there is no outward pressure to cope for the giant inward pressure and our air pressure causes the can to implode. The inverse of this experiment would be to let a human out into space who has a pressue of 14 pounds per square inch going out and watching them explode
4 years ago 4
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hahah 45 sec is funny
3 years ago 3
All Comments (47)
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Good thing our internal outward pressure is in perfect balance with the external inward pressure. This theory is also explained on the discovery channel program "Known Universe" episode "Surviving Outer Space". With what looks to be a metallic barrel.
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/watch?v=PTffeEsJX3c -- even better
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@galen1106 fag
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@magicman6363 It is air pressure.
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@galen1106 The water has to turn to steam, this pushes the air out of the can. So when you cool the can down the steam turns back into water and leaves a vacuum (where there's no air in the can) This causes the pressure from the air outside to crush the can.
No I am not a geek, I just recently learned this in a Physics lesson ;)
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@magicman6363 retracts*
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This video is retarded...
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@magicman6363 When cold water is poured over the tin, the steam inside the tin condenses quickly. The air pressure inside the tin falls. The air pressure outside is higher than the air pressure in the tin. This causes the tin to collapse inwards.
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Do you really have to put water in the can? cuz i know you only have to heat it. We tried this yesterday (without water) and it it made a BOOM! When we put it in the water. P.s., does the water have to be cold too?
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Do you really have to put water in it? cuz i know that you only need to heat the can.
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would it work if you boiled a kettle an put that in, or does the can have to be hot?
longlivespoons 3 years ago
you only need the water to boil
galen1106 3 years ago
it not air pressure when something rapidly cools down it retracks
magicman6363 4 years ago
nerd
galen1106 4 years ago