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IWETHEY Home / IWETHEY Board / Climate Change Forum / Rhymes with Siberia + Arctic Circle ;^> er, Fixed
Post #436,301
by Ashton
9/18/20 11:38:13 PM
9/18/20 11:38:13 PM
Reply
New Rhymes with Siberia + Arctic Circle ;^> er, Fixed
Post #436,302
by Andrew Grygus
Picture of Andrew Grygus
9/18/20 11:56:11 PM
9/18/20 11:56:11 PM
Reply
New Look on the bright side . . .
. . all that methane is burning into less serious carbon dioxide and water vapor. This is less damaging than if it all leaked out as methane as the permafrost melted, as it is destined to do.
Post #436,712
by Ashton
10/18/20 8:51:53 PM
10/18/20 8:51:53 PM
Reply
New Good Point.. though there might have been a Gotcha! with CH-4
Sublimation
..It's not just about Shrink-talk about homo-sap weirdness :^>


If solid methane at 1 atm is heated while the pressure is held constant, will it melt or sublime?
"Starting at P = 1 atm and moving horizontally, liquid region is reached at T 180C Then into the gaseous region, at T  160 C.
So, solid methane melts
In order for methane to sublime, the pressure must be below the triple point pressure"


Looks like CH-4 passes as, nothing (over Eons in the mere Arctic) is likely to have hit -200º C--with damn near perfect insulation
unto (our possibly last-) millennium. And necessity of 1/10 atmospheric pressure, to boot.
Gotta love Chemistry; it's all about Physics.

But 'Muricans are all about Sports; 'Climate' is way down such lists, I've noted.
     Raging permafrost fires in Siberia, Arctic Circle ..CONTINUE :-/ - (Ashton) - (4) - Sept. 18, 2020, 11:39:18 PM EDT
         In Ukraine? Ukraine doesn't have permafrost . . . - (Andrew Grygus) - (3) - Sept. 18, 2020, 11:10:54 PM EDT
             Rhymes with Siberia + Arctic Circle ;^> er, Fixed -NT - (Ashton) - (2) - Sept. 18, 2020, 11:38:13 PM EDT
                 Look on the bright side . . . - (Andrew Grygus) - (1) - Sept. 18, 2020, 11:56:11 PM EDT
                     Good Point.. though there might have been a Gotcha! with CH-4 - (Ashton) - Oct. 18, 2020, 08:51:53 PM EDT

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