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Chemical Kinetics I                                      119
                     -






















                           tl/2
                                 tlseconds

       Figure 8.3  Ha&-life of a reaction


                      Half-Life for a Zero-Order Reaction
       For a zero-order reaction:










                     t1/2 = - (zero-order reaction)
                            2k


                      Half-Life for a First-Order Reaction

       For a first-order reaction:
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