Elements of
Chemical Reaction Engineering
6th Edition



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Essentials of
Chemical Reaction Engineering
Second Edition

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Chapter 3: Rate Laws

Examples of Rate Laws

First Order Reactions

            (1)       

                         

 

            (2)       

                         

 

            (3)       

                       

 

            (4)       

                         

                        While overall this reaction is first order, it is 1/3 order in ethylene and 2/3 order in oxygen.

 

            (5)       

                         

                       

 

            (6)       

                         

                       

 

            (7)        

                         

                        where  and

 

Second Order Reactions

            (1)       

                         

                       

                        This reaction is first order in ONCB, first order in ammonia and overall second order.

 

            (2)       

                         

                        This reaction is first order in CNBr, first order in CH3NH2 and overall second order.

 

            (3)        

                         with KC = 1.08 and

 

Nonelementary Reactions

            (1)        

                         Cumene                  Benzene                 Proplene

                             (C)                         (B)                         (P)

 

                       

 

            (2)       

                         

Back to Chapter 3