Kinetics law in heterogeneous closed systems

The surface variation with reaction speed is then evaluated through a relation of the same type as those encountered in [6.60] and [6.61]. We then find oniselves at the same point as in homogeneous systems. 

For example, we reconsider the catalytic reaction for which we have the very simple function [7.79], By taking in account the partial pressure of in the chamber, this can be written  

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