“…M + H 2 +0 2 ---> H 2 0 2 +M* ---> 20H" chain initiation [6] H 2 + M ---> 2H'+ M [7] OH + 11N ---> H2O + H" chain propagating [8] H" + 0 2 + M ---> H0 2 " + M [9] 0-+ N ---> OH-+ H" chain branching [10] H" + 02 ---> 0-+ OH [11] H" + OHR + M ---> 1-20 + M chain terminating [12] H'+H'+M ---> H2 +M [13] 0'+0'+M ---> 0 2 + M [14] All three of the above terminating reactions are exothermic, with heats of formation between 104 and 120 kcal/mole.…”