where ki(cm/gmol-s) = l.17 10 T I 15 exp[ H3000/R.; T(K)].; k, (cm3/ (K); mol-S); 2.50 1012 expl-200,000/; RuT(K); and R 8.315 J/gmol-K Calculate and compare the characteristic times associated with these two reactions for T 2000 K and P=1atm, The CO mole fraction is 0.011 and the oH and O2 mole fractions are 3.68 10 and 6.43 10 respectively.