(40P) Q2) Gas A diffuses from point 1 to a catalyst surface at point 2, where it reacts as follows: 2A B Gas B diffuses back a distance 8 to point 1. a. Derive the equation for NA for a very fast reaction using and so on. mole fraction units x b. For DAB = XAI' 0.2 x 104 m/s, XA A1 = 1.30 mm, and T = 298 K, solve for NA. c. Do the same as in part (a) but for a slow first-order reaction Problem 18.4-7 XA1-0.97 0.97, P = 101.21 kPa, 8 = NA (2A) NB (18) IN P=1.0 atm XAR (1) 2A B NA --2NB dz (2) (1.ONANA) (1) N =-DANC +XA (N + N) (2) N --CDBC X+XA (N)

(40P) Q2) Gas A diffuses from point 1 to a catalyst surface at point 2 , where it reacts as follows: 2AB Gas B diffuses back a distance to point 1 . a. Derive the equation for NA for a very fast reaction using mole fraction units xA1, and so on. b. For DAB=0.2104m2/s,xAl=0.97,P=101.21kPa,= 1.30mm, and T=298K, solve for NA. c. Do the same as in part (a) but for a slow first-order reaction (40P) Q2) Gas A diffuses from point 1 to a catalyst surface at point 2 , where it reacts as follows: 2AB Gas B diffuses back a distance to point 1 . a. Derive the equation for NA for a very fast reaction using mole fraction units xA1, and so on. b. For DAB=0.2104m2/s,xAl=0.97,P=101.21kPa,= 1.30mm, and T=298K, solve for NA. c. Do the same as in part (a) but for a slow first-order reaction