ave369
Eastern European Lady of Mad Science
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Gas azeotropes?
Are there azeotropes among liquified gases? Can such a gas mixture that boils higher than any of the constituent gases exist?
And are there such azeotropes that are liquid at RT?
Smells like ammonia....
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woelen
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In principle I see no reason why such azeotropes could not exist. A liquefied gas is nothing else than a liquid, the only difference is that it is
liquid at another temperature range than what we ordinarily call liquids.
An example of a gas azeotrope is a mix of chlorotrifluoromethane and trifluoromethane. This mixture is higher boiling than both of the compounds. The
azeotropic mixture still is gaseous at room temperature though.
Another example is a mix of Cl2 and BrCl. BrCl boils at 5 C. IIRC a mixture of BrCl and Cl2 boils at higher temperature (7 C or so) and in cold
waether, this azeotrope could be kept around as liquid.
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