O + O + M -> O2 + M

Third-body efficiencies:

N2                    1.0 
H2     Enhanced by    2.4 
H2O    Enhanced by   15.4 
CH4    Enhanced by    2.0 
CO     Enhanced by    1.75 
CO2    Enhanced by    3.6 
C2H6   Enhanced by    3.0 
AR     Enhanced by    0.83

SOURCE:

Warnatz, J. (1984) in Combustion Chemistry, W.C. Gardiner, Ed., Springer-Verlag, Chap. 5.

______________________________________________________________________
    Temp      delta-S     delta-H      kf          kr         Keq
     (K)    (cal/mol K)  (kcal/mol) ----(mol,cm3,s)-----   (cm3/mol)
______________________________________________________________________

     300       -28.0      -119.1    4.00E+14    3.57E-71    1.12E+85
     500       -29.6      -119.7    2.40E+14    7.86E-37    3.05E+50
    1000       -31.1      -120.8    1.20E+14    3.61E-11    3.32E+24
    1500       -31.7      -121.5    8.00E+13    1.07E-02    7.49E+15
    2000       -32.0      -122.0    6.00E+13    1.63E+02    3.67E+11
    2500       -32.1      -122.4    4.80E+13    4.91E+04    9.79E+08
    3000       -32.2      -122.7    4.00E+13    2.08E+06    1.92E+07
______________________________________________________________________