Leo Lichtman wrote:
"John Martin" (clip) but it's drastically reduced when the gases are stirred
up even a little bit, (clip)
^^^^^^^^^^^^^^^^^
The gasses stir themselves, due to the molecular velocities and collisions.
It's silly to talk about settling between carbon monoxide and air, and
ignore that air is a mixture of oxygen, nitrogen, carbon dioxide, etc. Why
doesn't it settle?


Entropy.

John Martin