Review Exam 2 Spring 2008

Review Exam 2 Spring 2008 - Kinetics Four factors that...

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Kinetics Four factors that affect the rate of reaction nature of reactant concentration temperature presence of a catalyst Average rate Rate of reaction Rate constant Order of reactant Overall order of reaction Integrated rate laws ([ ] with respect to time If zero order [A] 0 - [A] = a k t first order second order [ ] [ ] [ ] [ ] t d D + t c C + or t b B - t a A - = Rate = = [ ] [ ] k t a A A ln 0 = [ ] [ ] k t a A 1 A 1 0 = - General rate expression Differential rate laws ([ ]with respect to rate) Rate = k [A] m [B] n [C] p If zero order Rate = k[A]0 = k first order Rate = k[A]1 = k[A] second order Rate = k[A] 2 Change in rate is independent of the change in concentration of a zero order reactant Change is rate is directly proportional to the change in concentration of a 1 st order reactant 0 order [A] vs t [A] t ln [A] vs t 1 st order ln [A] t 1/[A] vs t 2 nd order 1/[A] t Initial rate Instantaneous rate
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Equilibrium Equilibrium is a macroscopic event,
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Review Exam 2 Spring 2008 - Kinetics Four factors that...

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