Consider a system with porous catalyst pellets that can be approximated as very thin disks such that edge effects can be ignored. A first order reaction (rA=kaCA) is occurring inside the porous catalyst pellets. a. Determine the concentration profile assuming the concentration on the catalyst surface is CAS and the thickness of the disk is 2L. b. Derive an expression for the internal effectiveness factor () for the reaction which is defined as: =rateofreactionassumingtheentirepelletwasatthepelletexternalsurfaceconditionsactualoverallrateofreaction Hint: The actual reaction rate is considering what process which is balancing the concentration from the reaction