C(t)=0.036t30.848t2+4.962t0.0060t12min [where, C(t):g/m3 and t:min] (i) It is requested to calculate the residence time distribution function E(t), the mean residence time tm and the variance 2 for the reactor. (13 points) (ii) What will be the average conversion for a first order irreversible reaction (specific reaction rate constant 0.1/min at 300C ) considering a segregation model? (12 points)