Chemical Reaction Engineering
A backmix reactor

Is most suitable for gas phase reaction
Employs mixing in axial direction only
Is same as plug-flow reactor
Is same as ideal stirred tank reactor

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

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