Liquid CO2 rivers, lakes or oceans

  1. Sep 1, 2013 #1
    Lets say you have planet with 2 Earth radii and 8 Earth masses. The atmosphere is 50 bar and is made up of 85% nitrogen, 10% hydrogen 3% argon, 1% CO2 and 1% other gases. The planets average temperature is 280 K/44 F.

    Since CO2 is a liquid at this pressure and temperature would it form rivers, lake or oceans of liquid CO2 mixed with liquid water or will it stay in a gaseous form because of its lower abundance of other gases and the overall density of the atmosphere?
     
    Last edited: Sep 1, 2013
  2. jcsd
  3. Sep 1, 2013 #2

    Borek

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    At 50 bar and 1% of CO2 partial pressure of carbon dioxide is just 0.5 bar (0.5 atm).
     
  4. Sep 1, 2013 #3
    OK, Borek. This means that the partial pressure of CO2 is too low, and no liquid CO2 exists.
    Correct ?
     
  5. Sep 1, 2013 #4

    SteamKing

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  6. Sep 1, 2013 #5

    Borek

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    Yes.
     
  7. Sep 1, 2013 #6
    thanks
     
  8. Sep 1, 2013 #7
    Oh ok thanks I did not know that
     
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