1). Derive the design equation for a PFR. Assume rA=kCA2. b). For a PFR you have the following data, X=0.8, molar flow rate 5mol/min,,k =0.5mol1min1L,CA0=1mol/L, The isothermal, isobaric reaction in gas phase is A=3B,rA=kCAA Calculate the Volume for the PFR. Use: 0X1X1+XdX=(1+)ln(1X1)X,=yA0