Originally Posted by Enthalpic
3) The reason some say to put plain air back in is that C02 weighs more than air.
Another chemist here...
The reason to reinflate once you get home is that CO2 is much more soluble in the innertube's rubber and "seeps" out. I used to have a link to that fact but I've lost it...
<edit> found the link:
http://www.madsci.org/posts/archives...2329.Ch.r.html
Last edited by F1_Fan; 05-20-05 at 12:32 AM.