Please resolve: We can consider two extreme cases, which indicate the effect of interfacial matter transport being the controlling process or not, and which give us an idea of the magnitude of Ts. These cases are, respectively: 1) CAS 0.1CAG , and 2) CAS 0.9CAG . Now suppose the case of an exothermic reaction that has a (H ) =25,000 (cal/mol) and a thermal capacitance cp =0.002 (cal/cm3 K). The temperature in the RCTA is 473 K and CAG=10-6 (mol/cm3). According to case 1) TS= 473.9 K, while for case 2) TS= 480.9 K