Chemical Reaction Engineering
The sequence in which three CSTR's of volumes 5, 10 and 15 m³ will be connected in series to obtain the maximum production in a second order irreversible reaction is

15, 10, 5
5, 10, 15
10, 15, 5
10, 5, 15

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Chemical Reaction Engineering
For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is

Surface reaction between A in the gas phase and absorbed B
Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase
Surface reaction between absorbed A and absorbed B
Desorption of C

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