Lecture%2022%20April%206%20%28Chapter%2016%20--%20Kinetics%29

Lecture%2022%20April%206%20%28Chapter%2016%20--%20Kinetics%29

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Chapter 16 -- Kinetics Lecture 22 April 6, 2009
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Method of Initial Rates Example 1 Consider this reaction at 55 o C: (CH 3 ) 3 CBr (aq) + OH - (aq) (CH 3 ) 3 COH (aq) + Br - (aq) A series of experiments were carried out with the following results: Exp. 1 Exp. 2 Exp. 3 Exp. 4 Exp. 5 [(CH 3 ) 3 CBr] 0.50 1.0 1.5 1.0 1.0 [OH - ] 0.050 0.050 0.050 0.10 0.20 Rate (mol/L∙s) 0.0050 0.010 0.015 0.010 0.010 Find the order with respect to each reactant, the overall order of the reaction and the value of k, the rate constant.
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Exp. 1 Exp. 2 Exp. 3 Exp. 4 Exp. 5 [(CH 3 ) 3 CBr] 0.50 1.0 1.5 1.0 1.0 [OH - ] 0.050 0.050 0.050 0.10 0.20 Rate (mol/L∙s) 0.0050 0.010 0.015 0.010 0.010
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Exp. 1 Exp. 2 Exp. 3 Exp. 4 Exp. 5 [(CH 3 ) 3 CBr] 0.50 1.0 1.5 1.0 1.0 [OH - ] 0.050 0.050 0.050 0.10 0.20 Rate (mol/L∙s) 0.0050 0.010 0.015 0.010 0.010
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Exp. 1 Exp. 2 Exp. 3 Exp. 4 Exp. 5 [(CH 3 ) 3 CBr] 0.50 1.0 1.5 1.0 1.0 [OH - ] 0.050 0.050 0.050 0.10 0.20 Rate (mol/L∙s) 0.0050 0.010 0.015 0.010 0.010
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Lecture%2022%20April%206%20%28Chapter%2016%20--%20Kinetics%29

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