5. The reaction A →B+Cis known to be first order in A. Below are data showing the concentration of A as a function of reaction time. [A],M 5.00 x 102 4.30 x 10-2 3.70 x 10-2 2.74 x 10-2 Time, min 5 10 20 40 1.51 x 10-2 50 1.12 x 10-2 60 8.26 x 103 (a) What is the average rate of reaction between 5 and 20 min? Report the units as well as the numbers. (b) Plot the data above, showing the concentration of A as a function of the time. From your graph, determine the instantaneous rate of reaction at 40 min. Report the units as well as the numbers. (c) Plot In [A] versus time. Estimate the rate constant for this first-order reaction from your graph.
5. The reaction A →B+Cis known to be first order in A. Below are data showing the concentration of A as a function of reaction time. [A],M 5.00 x 102 4.30 x 10-2 3.70 x 10-2 2.74 x 10-2 Time, min 5 10 20 40 1.51 x 10-2 50 1.12 x 10-2 60 8.26 x 103 (a) What is the average rate of reaction between 5 and 20 min? Report the units as well as the numbers. (b) Plot the data above, showing the concentration of A as a function of the time. From your graph, determine the instantaneous rate of reaction at 40 min. Report the units as well as the numbers. (c) Plot In [A] versus time. Estimate the rate constant for this first-order reaction from your graph.
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter12: Kinetics
Section: Chapter Questions
Problem 25E: Nitrogen monoxide reacts with chlorine according to the equation: 2NOCI(g)2NOCI(g) The following...
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