I get C 3 H 8 O + 5-O 2 > 3-CO 2 + 4-H 2 O + O . The free atom of oxygen seems to confirm my observation of complete combustion occurring under laminar ( non-turbulent ) flow using uncontaminated fuel, resulting in a flame that is perfectly stoichiometric . Preceding talk ) 04 : 05, 2 March 2008 ( UTC)