PS 25g The gas phase reaction A-B-C-D takes place othermally at 300 K in a packed bed reactor in which the feed is equal mola en A and the = 0.1 moldim. The reaction as second order in A and Beso order in B. Currently 50% conversion is achieved in a reactor with 100 kg of catalysts for a volumetric flow rate 100 dmmin. The pressure- deop parameter, se 0.0099 kell the activation energy a 10000 cal met what is the specific reactionate constatar 400