In reply to Stephen A. Lawrence's message of Wed, 03 Jun 2009 14:33:03 -0400: Hi, [snip] > x*C8H18 + y*O2 --> z*Cw (some kind of graphite?) + q*H2O > >Without spending time with redox tables or the equivalent I'm not >certain but I think the reaction is still energy-positive.
The reaction C8H18 + 4.5O2 -> C8 + 9H20 yields a net energy of 1967.734 kJ/mol. Of course if you do it this way, you miss out on the energy from the formation of CO2 which would have yielded an extra 3148.08 kJ/mol. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/Project.html
