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In a study of the decomposition of nitrosyl bromide at 10 °C NOBR- →NO + ½ Br2 the following data were obtained: [NOBr], M 0.358 0.179 8.95x10-2 4.48x10-2 seconds 4.57 13.7 32.0 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.358 M is 4.57 s and when the starting concentration is 0.179 M is 9.13 S. (2) The average A(1/[NOBr]) / At from t = 0 s to t = 4.57 s is M-1 s-1. The average A(1/[NOBr]) / At from t = 4.57 s to t = 13.7 s is M-1 s-1. (3) Based on these data, the rate constant for this second O order reaction is M-1 s-1.

In a study of the decomposition of nitrosyl bromide at 10 °C NOBR- →NO + ½ Br2 the following data were obtained: [NOBr], M 0.358 0.179 8.95x10-2 4.48x10-2 seconds 4.57 13.7 32.0 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.358 M is 4.57 s and when the starting concentration is 0.179 M is 9.13 S. (2) The average A(1/[NOBr]) / At from t = 0 s to t = 4.57 s is M-1 s-1. The average A(1/[NOBr]) / At from t = 4.57 s to t = 13.7 s is M-1 s-1. (3) Based on these data, the rate constant for this second O order reaction is M-1 s-1.

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter18: Chemical Kinetics
Section: Chapter Questions
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In a study of the decomposition of nitrosyl bromide at 10 °C NOBR- →NO + ½ Br2 the following data were obtained: [NOB1], M seconds 0.358 0.179 8.95x10-2 4.48x10-2 4.57 13.7 32.0 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.358 M is 4.57 s and when the starting concentration is 0.179 M is 9.13 S. (2) The average A(1/[NOBr]) / At from t O s to t = 4.57 s is M-1 s-1. The average A(1/[NOBr]) / At from t = 4.57 s to t = 13.7 s is M-1 s-1. (3) Based on these data, the rate constant for this second O order reaction is M-1 s-1.
Transcribed Image Text:In a study of the decomposition of nitrosyl bromide at 10 °C NOBR- →NO + ½ Br2 the following data were obtained: [NOB1], M seconds 0.358 0.179 8.95x10-2 4.48x10-2 4.57 13.7 32.0 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.358 M is 4.57 s and when the starting concentration is 0.179 M is 9.13 S. (2) The average A(1/[NOBr]) / At from t O s to t = 4.57 s is M-1 s-1. The average A(1/[NOBr]) / At from t = 4.57 s to t = 13.7 s is M-1 s-1. (3) Based on these data, the rate constant for this second O order reaction is M-1 s-1.
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