In article , "John Gilmer" wrote:
If you took high school chemistry, the answer should be obvious.

CO is somewhat lighter than pure O2 (the ratio of 28/32 but it's not THAT
much lighter. CO2 which "settles" is heavier than O2 by the ratio 44/32.

And if *you* had taken high school chemistry, you'd be comparing to N2 (79% of
the atmosphere) instead of to O2 (20%) -- or looking up the actual density
values in the HCP.



--
Regards,
Doug Miller (alphageek at milmac dot com)

It's time to throw all their damned tea in the harbor again.