CH16_kin_prob

# CH16_kin_prob - Extra Problems for Chapter 16 1 a Balance...

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Extra Problems for Chapter 16 1. a) Balance the following redox reaction in acidic solution by the half-reaction method. Br ( aq ) + BrO 3 ( aq ) Br 2 ( l ) [5,1,6H + =3,3H 2 O] b) Give all equivalent expressions for the rate of the reaction. c) From the following data determine the rate law and give the value of the rate constant. [Br ] 0 [BrO 3 ] 0 [H + ] 0 initial rate 0.10 M 0.10 M 0.10 M 8. 0 × 10 4 Ms 1 0.10 0.20 0.10 1. 6 × 10 3 0.20 0.20 0.10 3. 2 × 10 3 0.10 0.10 0.20 3. 2 × 10 3 [ k = 8. 0 M 3 s 1 ] d) An experiment is done where the bromide and hydronium ion concentrations are in such large excess that they effectively remain constant during the reaction. If [Br ] 0 = 2.0 M, [H + ] 0 = 1.0 M, and [BrO 3 ] 0 = 0.00300 M how long does it take for [BrO 3 ] to become 0.00060 M? [0.10 s]

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-2- 2. For 2NO + 2H 2 N 2 + 2 O the rate was found to be first order in [H 2 ] and second order in [NO]. a) Write the rate law for this reaction. b) What happens to the rate if the volume is doubled?
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CH16_kin_prob - Extra Problems for Chapter 16 1 a Balance...

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