Seite - 10 - in Advanced Chemical Kinetics

Nrr¼Ns�NintþNas (17) whereas,Ns is thenumberof steps in thedetailedmechanismandNas is thenumberof active sites in themechanism. Based on themolecularmatrix, themolarmasses of the components canbedetermined fromtheatomicmasses of the elements. Theproduct of the stoichiometric matrixSandmolecularmatrixMgives SM¼0 (18) Toanswer the secondpartof theabovequestion,weneed to consider all its available routes to get thedetailedreactionmechanism.Thenacomparisonof theseroutesolutionswith thewhole reactionmechanismallows us to give any concluding remarks, butwe believe that the result obtainedthroughdifferent routesmaybesimilarorvarydependingonthetypeofreactions. 4.Multiroute reactionsmechanism Tounderstand this idea, letusdiscern the four-stepreversible complexchemical reaction [3] definedovera closed systemhaving twoavailable routes. Themechanism involves six chem- ical substances (speciesCi) representedas (Figure3), Figure2. Acomplex chemical reactionpasses throughdifferent transition states andadoptsdifferent completion routes beforegiving theproducts. Advanced Chemical Kinetics10