P.O. Olanrewaju , On the Influence of Frank-Kamenetskii Parameter and Numerical Exponents on Temperature Field of Two-Step Arrhenius Reactions, Journal of Engineering and Applied Sciences, Volume 2,Issue 7, 2007, Pages 1144-1146, ISSN 1816-949x, jeasci.2007.1144.1146, (https://makhillpublications.co/view-article.php?doi=jeasci.2007.1144.1146) Abstract: In this study, we investigate the effect of Frank-Kamenetskii parameter and numerical exponents on temperature of two-step Arrheniun reactions to give further insight into the theory of combustion under reasonable and physical conditions. Numerical solutions are constructed for the governing non linear boundary value problem using shooting technique and influence of Frank-kamenetskii parameter and numerical exponent are discussed. Keywords: Frank-kamenetskii parameter;numerical exponents;two-step arrhenius reactions;physical conditions;non linear boundary