38. What is the half-life for the decomposition of NOCl when the concentration of NOCI is 0.15 M? The rate constant for this second-order reaction is 8.0 × 10-8 L mol −1 s-1. S 39. What is the half-life for the decomposition of 03 when the concentration of O3 is 2.35 × 106 M? The rate constant for this second-order reaction is 50.4 L mol¯¹ h¨¹. 40. The reaction of compound A to give compounds C and D was found to be second-order in A. The rate constant for the reaction was determined to be 2.42 L mol¯¹ s¯¹. If the initial concentration is 0.500 mol/L, what is the value of t1/2? 41. The half-life of a reaction of compound A to give compounds D and E is 8.50 min when the initial concentration of A is 0.150 M. How long will it take for the concentration to drop to 0.0300 M if the reaction is (a) first order with respect to A or (b) second order with respect to A?
38. What is the half-life for the decomposition of NOCl when the concentration of NOCI is 0.15 M? The rate constant for this second-order reaction is 8.0 × 10-8 L mol −1 s-1. S 39. What is the half-life for the decomposition of 03 when the concentration of O3 is 2.35 × 106 M? The rate constant for this second-order reaction is 50.4 L mol¯¹ h¨¹. 40. The reaction of compound A to give compounds C and D was found to be second-order in A. The rate constant for the reaction was determined to be 2.42 L mol¯¹ s¯¹. If the initial concentration is 0.500 mol/L, what is the value of t1/2? 41. The half-life of a reaction of compound A to give compounds D and E is 8.50 min when the initial concentration of A is 0.150 M. How long will it take for the concentration to drop to 0.0300 M if the reaction is (a) first order with respect to A or (b) second order with respect to A?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 15T
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Answer 38,39,41
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Transcribed Image Text:38. What is the half-life for the decomposition of NOCl when the concentration of NOCI is 0.15 M? The rate
constant for this second-order reaction is 8.0 × 10-8 L mol −1 s-1.
S
39. What is the half-life for the decomposition of 03 when the concentration of O3 is 2.35 × 106 M? The rate
constant for this second-order reaction is 50.4 L mol¯¹ h¨¹.
40. The reaction of compound A to give compounds C and D was found to be second-order in A. The rate
constant for the reaction was determined to be 2.42 L mol¯¹ s¯¹. If the initial concentration is 0.500 mol/L, what is
the value of t1/2?
41. The half-life of a reaction of compound A to give compounds D and E is 8.50 min when the initial
concentration of A is 0.150 M. How long will it take for the concentration to drop to 0.0300 M if the reaction is (a)
first order with respect to A or (b) second order with respect to A?
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