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601RateLaws - Chemical Kinetics Chapters 14(Petrucci et al...

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Lesson 26 1 Lesson 26 Chemical Kinetics Chapters 14 (Petrucci et al.) Lesson 26 Rates of reaction In chemical kinetics one is concerned in describing how fast a reaction takes place Consider the reaction: 2 SO 2 ( g ) + O 2 ( g ) 2 SO 3 ( g ) Rate of change in concentration of reactants and products: t SO formation SO of Rate t O n consumptio O of Rate t SO n consumptio SO of Rate d d d d d d 3 3 2 2 2 2 SO 2 O 2 SO 3 time Concentration Lesson 26 Rates of reaction Definition of rate of reaction , r : For a generic reaction: a A + b B c C + d D s L mol t SO t O t SO r . d ] [ d 2 1 d ] [ d d ] [ d 2 1 3 2 2       t D d t C c t B b t A a r d d 1 d d 1 d d 1 d d 1
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