Question:

Why does a cup of coca cola become more fizzy when placed in a fridge instead of at room temp.?

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Why does a cup of coca cola become more fizzy when placed in a fridge instead of at room temp.?

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  1. Hi Joe,

    You kepo lah, you wrote a lot without any relevance to the question!


  2. When it is cold things become fizzy like a human shiver when it is cold

  3. I'd say it has to do with the temp going down and the gases changing pressure. My thought would be that the gases are almost forced out of the liquid at the cooler temp thus causing more fizziness. A chemistry person could answer this with some more technical info.

  4. Since the temperature is colder in the fridge than in room temperature, lesser carbon dioxide can dissolve in the coca cola than at room temperature. Therefore more carbon dioxide fizzes out at room temperature since the solution cannot hold so much carbon dioxide at a colder temperature.

  5. CO2 is forced into the drink at low temperatures under pressure. It dissolves quite well. Then the drink is kept under pressure by the closed container. When you open it, the pressure that keeps the bubbles dissolved into the drink goes away, and they form and surface, forming the 'fizz'. When the drink is left for too long in room temperature. Pressure is removed, the CO2 escapes from the liquid, and it goes 'flat'.

    To: Joe T, you should go to a chemist for that question, not an engineer. Stay out of Yahoo answers, you're a disgrace to Singaporeans. And stop having hallucinations about  driving an audi.

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