Talk:Liquid oxygen
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If you had, say...a pool full of liquid oxygen, could you swim in it and still breathe?
- No, you would freeze. However, there do exist breathable liquids which contain high concentrations of oxygen.
Our chemistry lecture made us ice-cream using LOx. Would that count as a use? =D
how long does LOX take to evaporate in the open air?
- That depends on the shape and insulating properties of the vessel, and the warmth of the air. If you poured a cup or so of liquid oxyen on the floor (use insulated pants in case some of it splashes on you) it would evaporate essentially on contact with the floor. If you left it in the cup, it would boil violently, and be all gone within a few minutes. If you put in an insulated narrow mounthed jar, it might last for a considerable length of time.
[edit] Liquid Oxygen
How do you transform gaseous oxygen to liquid oxygen?
- The process of creating liquid air involves the compression, cooling, and then rapid expansion of an air column. The compression heats the gas adiabatically, then the air is allowed to cool back down to ambient, ridding it of most of its thermal energy. The column is then decompressed, and therefore the air cools to the condensation point, again adiabatically. See the article on liquid air. The liquid air so produced is mostly liquid nitrogen, but the oxygen, which has a higher boiling point than nitrogen, is fairly easily separated, for example by disstilation.
[edit] LOX on a grill
I debated adding this link to a youtube of people pouring LOX onto two charcoal grills, but figured I'd put it here first.
It's fairly impressive (and incendiary).--BlackAndy 01:32, 20 March 2007 (UTC)
