In a study of the decomposition of hydrogen iodide on a gold surface at 150 °C HI(g H2(g) + % I(g) the following data were obtained: (HI], M 0.401 0.201 0.101 5.05-10 seconds 519 779 910 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.401 M is and when the starting concentration is 0.201 M is (2) The average rate of disappearance of HI from t=0s to t= 519 s is (3) The average rate of disappearance of HI from t= 519 s to t= 779 s i Ms! (4) Based on these data, the rate constant for this v order reaction is Submit Answer Retry Entire Group 9more group attempts remaining

In a study of the decomposition of hydrogen iodide on a gold surface at 150 °C HI(g H2(g) + % I(g) the following data were obtained: (HI], M 0.401 0.201 0.101 5.05-10 seconds 519 779 910 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.401 M is and when the starting concentration is 0.201 M is (2) The average rate of disappearance of HI from t=0s to t= 519 s is (3) The average rate of disappearance of HI from t= 519 s to t= 779 s i Ms! (4) Based on these data, the rate constant for this v order reaction is Submit Answer Retry Entire Group 9more group attempts remaining

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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The decomposition of hydrogen iodide on a gold surface at 150 °C HI(g% H2(g) + ½ I½(g) is zero order in HI with a rate constant of 1.20×10-4 M s-!. If the initial concentration of HI is 0.103 M, the concentration of HI will be M after 748 seconds have passed.
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In a study of the decomposition of ammonia on a tungsten surface at 1100 °C NH31/2 N2 + 3/2 H, the following data were obtained: NH3), M seconds 7.30x10-3 440 1.46x10-2 3.65x103 1.83×10-3 660 770 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 1.46x1o-² M i starting concentration is 7.30×103 M is| s and when the (2) The average rate of disappearance of NH3 from t= 0 s to t= 440 s is Ms. (3) The average rate of disappearance of NH3 from t= 440 s to t= 660 s is |Ms. (4) Based on these data, the rate constant for this| order reaction is Ms!.
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