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P is an important industrial product that can be produced from the gas - phase reaction A + B P over a platinum catalyst. The

P is an important industrial product that can be produced from the gas-phase reaction A+BP over a platinum catalyst. The limiting step in the reaction is known to be an irreversible surface reaction. The following data giving the reaction rate for P were obtained in a differential reactor at 200C.
\table[[PA(atm),0.15,0.15,1.5,0.15,0.15,3.0,0.015],[,,,,,,,],[PB(atm),0.15,1.5,0.15,3.0,3.0,0.15,0.15],[,,,,,,,],[PP(atm),0.3,0.3,0.3,0.3,1.5,0.3,0.3],[\table[[Reaction Rate],[(mol/gcat/s)]],0.017,0.170,0.027,0.340,0.139,0.028,0.004]]
(a) What is the rate law consistent with the experimental data?
(b) What is the reaction mechanism consistent with the rate law?
(c) The entering partial pressures of A and B are 1.5atm in a packed-bed reactor. If the adsorption equilibrium constant for A and P are: KA=20.4atm-1 and KP=6.0atm-1, what is the ratio of active sites occupied by A to that occupied by P at 50% conversion of A? What is the conversion if the number of sites occupied by A and P are equal?
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