Please answer the question fully and write legibly if you do it by hand.

According to the Levenspiel plot, when an isothermal PFR is used in place of an isothermal CSTR for a first order reaction with inlet conditions and reaction temperature the same for both, the PFR volume required for a given conversion will be (a). the same as that of the CSTR (b). less than that of the CSTR (c). more than that of the CSTR (d). different from that of the CSTR, but depends (a) O (b) (c) (d)