the following data were obtained: [HI], M 0.139 6.95×10-2 3.48×10-2 1.74×10-2 seconds 0 522 782 913 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.139 M is s and when the starting concentration is 6.95×10-2 M is s. (2) The average rate of disappearance of HI from t = 0 s to t = 522 s is M s-1. (3) The average rate of disappearance of HI from t = 522 s to t = 782 s is M s-1. (4) Based on these data, the rate constant for this order reaction is M s-
the following data were obtained: [HI], M 0.139 6.95×10-2 3.48×10-2 1.74×10-2 seconds 0 522 782 913 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.139 M is s and when the starting concentration is 6.95×10-2 M is s. (2) The average rate of disappearance of HI from t = 0 s to t = 522 s is M s-1. (3) The average rate of disappearance of HI from t = 522 s to t = 782 s is M s-1. (4) Based on these data, the rate constant for this order reaction is M s-
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.48PAE: 11.48 The following data were collected for the decomposition of NT),-: Time, f (min) [N2Os] (mol...
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Question
HI(g)½ H2(g) + ½ I2(g)
the following data were obtained:
| [HI], M | 0.139 | 6.95×10-2 | 3.48×10-2 | 1.74×10-2 |
| seconds | 0 | 522 | 782 | 913 |
Hint: It is not necessary to graph these data.
(1)
The observed half life for this reaction when the starting concentration is 0.139 M is s and when the starting concentration is 6.95×10-2 M is s.
(2)
The average rate of disappearance of HI from t = 0 s to t = 522 s is M s-1.
(3)
The average rate of disappearance of HI from t = 522 s to t = 782 s is M s-1.
(4)
Based on these data, the rate constant for this order reaction is M s-
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