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the pressure in a soda can | |||||||||||||||||
i think the pressre inside a beverage can should be high.because when they fill it with carbon dioxide in high pressure the container should be strong to tolerance it!!!the pressure is about 200KPa.
sonia, Oct 25 2009
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I assume the pressure inside a can of carbonated drink is as high as is necessary. What's the problem?
If you've had high-school chemistry, you've heard of the ideal gas law. The pressure in a can varies greatly over temperature. The can or plastic bottle is designed to handle about 110 F (43C) if it hasn't been damaged. Actually, the even a nick in a bottle can compromise it from being able to survive to max pressure. Also, atmospheric pressure actually can decrease the gauge-pressure so it would make some small difference-a can might 'pop' at a lower temp on a mountain.
But the second you open the can, the pressure of the soda becomes the pressure around you--which is why the pop bubbles--because it's letting gas out of solution.
So the pressure inside the can makes absolutely no difference in the taste of the pop if you drink at room-pressure. If you plan to drink it in a pressure vessel or altitude chamber...I don't know.
Also note, warm pop bubbles much more than cold.