Chap. 9 Questions and Problems Assume that at the time the feed to the CSTR stopped, there were 500 lbm of ammonium nitrate in the reactor at a temperature of 520°F. The conversion in the reactor is virtually complete at about 99.99%. Additional data for this problem are given in problem P8-4c. How would your answer change if 100 lb of solution were in the reactor? 310 lb? 800 lb,? What if To = 100°F? 500°F? The(first-order irreversible reaction %3D P9-4B B(g) + C(g) (1) is carried out adiabatieálly in a CSTR into which 100 mol/min of pure liquid A is fed at 400 K. The reaction goes virtually to completion (i.e., the feed rate into the reactor equals the product of reaction rate inside the reactor and the reactor volume). B(g) C(g) A(1) looo ad lo stsT woft orl NA=??? babbs CSTR How many moles of liquid A are in the CSTR under steady-state conditions? Plot the temperature and moles of A in the reactor as a function of time after the feed to the reactor has been shut off. Additional information: TO0E Temperature (K) 1200 80E k (min-!) HA(kJ/mol) HB (kJ/mol) Hc (kJ/mol) 0.19 0.32 2.5 zmitarch -38 -30 -22 -26 - 18 - 12 -22 const -20 -16 P9-5B The liquid-phase reaction in Problem P8-6, is to be carried out in a semibatch reactor. There are 500 mol of A initially in the reactor at 25°C. Species B is fed to the reactor at 50°C and a rate of 10 mol/min. The feed to the reactor is stopped after 500 mol of B has been fed. (0)