Table of Contents
How does pressure affect carbonation?
The process of carbonation is based on the principle that high pressure and low temperature maximize gas absorption. The gas dissolves into the liquid until the pressure becomes equal to the pressure which pushes down the liquid to stop the process.
Why does shaking Coke cause it to explode?
The bottle still contains whirlpools from the shaking. The pressure inside the whirlpool microscopic bubbles is roughly twice the surrounding liquid’s pressure (because the bottler pumped the carbon dioxide gas into the soda at two atmospheres of pressure). The tiny bubbles, therefore, explode in size.
What is the pressure in a soda can?
On average, the 12 ounce soda cans sold in the US tend to have a pressure of roughly 120 kPa when canned at 4 °C, and 250 kPa when stored at 20 °C. Specifically, a refrigerated can of 7UP® contains 210 kPa of pressure. On the other hand, Pepsi-Cola® contains 276 kPa at approximately 16 °C.
What happens when you pop a soda bottle?
As long as the bottle is closed, the insides of the bottle are at a uniform pressure, but as soon as the bottle is popped open, there is a drastic change in the air pressure between the inside and outside of the bottle and the gas molecules suddenly have access to a lot more space to occupy.
Why do they put soda in a bottle under high pressure?
Soda manufacturers often inject cold liquid with pressurized carbon dioxide, then bottle the drink under high pressure. This is due to the fact that more gas will dissolve in a cold liquid that’s under a high pressure than in a warm liquid that is not under pressure.
Why does a bottle Fizz when it is uncapped?
The result of this pressure difference is the fizzzzz sound you hear when the bottle is uncapped; the trapped carbon dioxide molecules are escaping rapidly, so fast that you can hear it! Why does shaking the bottle result in a stronger fizz? You’ve surely noticed that when you shake a bottle before opening it, the fizz is stronger.
Why does shaking a soda bottle make it fizz even more?
The result of this pressure difference is the fizzzzz sound you hear when the bottle is uncapped; the trapped carbon dioxide molecules are escaping rapidly, so fast that you can hear it! Why does shaking the bottle result in a stronger fizz?