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

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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