Page - 12 - in Advanced Chemical Kinetics

Thismeanswecanreduce this systeminto threecomponents Nrr=Ns Nint+Nas=4 3+1=2. Hence, thisreactionmechanismhastwoindependentroutesNrr.Also,whenwemultiplystep-1 and step-3 by its Horiuti numbers, all the intermediates vanished and we get an overall reaction.Thesame is the casewithsteps1, 2, and4.Thedimensionof these tworoutes canbe determinedbytheir respectiveHoriutinumbers.SetsofHoriutinumbers for the first routeand secondrouteare (1,0,0,2)and(1,2,2,0), respectively.This impliesboth theroutesarenonlinear. First-route: two-stepmechanisms (Figure4). Second-route: three-stepmechanisms (Figure5). Figure4. R-1:The first routeof the reactionmechanism isa two-step reversible reaction involving fivechemical species, whileNkc=2. Figure 5. R-2: The second route of the reactionmechanism is a three-step reversible reaction involving six chemical species,whileNkc=3. Advanced Chemical Kinetics12