O + HO2 -> OH + O2

SOURCE:

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

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    Temp      delta-S     delta-H      kf          kr         Keq
     (K)    (cal/mol K)  (kcal/mol) ----(mol,cm3,s)-----   
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     300         -.3       -53.1    2.00E+13    4.46E-26    4.49E+38
     500         -.2       -53.1    2.00E+13    1.34E-10    1.49E+23
    1000         -.5       -53.3    2.00E+13    5.58E+01    3.59E+11
    1500         -.8       -53.7    2.00E+13    4.40E+05    4.54E+07
    2000        -1.0       -54.2    2.00E+13    4.06E+07    4.93E+05
    2500        -1.3       -54.7    2.00E+13    6.27E+08    3.19E+04
    3000        -1.4       -55.2    2.00E+13    3.96E+09    5.05E+03
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