• CO2 generation pressure query.

    From Clive Arthur@21:1/5 to All on Thu Jun 5 16:41:17 2025
    Hi

    If I made CO2 from say a Carbonate salt and acid - or perhaps yeast and
    sugar water - in a sealed vessel, how could I calculate at what pressure
    the reaction stops?

    I'm assuming it must stop at some pressure, but I'm no chemist. I've
    tried searching, but probably don't know the right words.

    If there were some reaction which stopped generation of CO2 at say 5 Bar
    (at fridge temperature, say 4'C), it could be used to keep previously
    opened bottles of Champagne fresh.

    --
    Cheers
    Clive

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  • From Frank <"frank@21:1/5 to Clive Arthur on Thu Jun 5 14:32:23 2025
    On 6/5/2025 11:41 AM, Clive Arthur wrote:
    Hi

    If I made CO2 from say a Carbonate salt and acid - or perhaps yeast and
    sugar water - in a sealed vessel, how could I calculate at what pressure
    the reaction stops?

    I'm assuming it must stop at some pressure, but I'm no chemist.  I've
    tried searching, but probably don't know the right words.

    If there were some reaction which stopped generation of CO2 at say 5 Bar
    (at fridge temperature, say 4'C), it could be used to keep previously
    opened bottles of Champagne fresh.


    It has been studied. You can google it up. "will pressure stop
    fermentation."

    Personally I recall in my beer making days of a couple of bottles of
    beer blowing up because I capped them too soon.

    I also made root beer by capping as soon as made, let it ferment a day
    or so and refrigerating to suppress fermentation.

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