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Carbon Monoxide

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Oleanda | 16:04 Fri 18th Mar 2011 | Science
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Is carbon monoxide lighter or heavier than air?
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Avatar Image gingejbee
A bit lighter.
16:07 Fri 18th Mar 2011
Avatar Image MarkRae
Slightly lighter.
16:08 Fri 18th Mar 2011
Avatar Image Oleanda
Question Author
Thank you.
16:10 Fri 18th Mar 2011
Avatar Image jomifl
molecular weight of oxygen 32
moecular weight of carbon monoxide 28
28/32=0.875
Therefore carbon monoxide gas has 0.875 the density of oxygen gas at the same temperature and pressure.
17:54 Fri 18th Mar 2011
Avatar Image gingejbee
Very interesting, jom but isn't air 80% NITROGEN?
19:16 Fri 18th Mar 2011
Avatar Image New Judge
The average molecular mass of air is about 28.9. That of Carbon Monoxide is indeed 28.0, making it very slightly lighter than air.
21:37 Fri 18th Mar 2011
Avatar Image jomifl
Gingebee ..yup correct.. silly me.
carbon monoxide is 97% the density of air.
I knew there was a reason why I didn't take up chemistry as a career. :-)
00:08 Sat 19th Mar 2011
Avatar Image DTCwordfan
if you had studied Chemistry, jomifl, we would have all been looking at the backside of "Eric Smyth"............
00:11 Sat 19th Mar 2011

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