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In a study of the decomposition of hydrogen iodide on a gold surface at 150 °CHI(g)½ H2(g) + ½ I2(g)the following data were obtained: [HI], M 0.573 0.287 0.144 7.20×10-2 seconds 0 520 781 912 Hint: It is not necessary to graph these data.(1)The observed half life for this reaction when the starting concentration is 0.573 M is s and when the starting concentration is 0.287 M is s.(2)The average rate of disappearance of HI from t = 0 s to t = 520 s is  M s-1.(3)The average rate of disappearance of HI from t = 520 s to t = 781 s is  M s-1.(4)Based on these data, the rate constant for this _______zerofirstsecond order reaction is M s-1.

In a study of the decomposition of hydrogen iodide on a gold surface at 150 °CHI(g)½ H2(g) + ½ I2(g)the following data were obtained: [HI], M 0.573 0.287 0.144 7.20×10-2 seconds 0 520 781 912 Hint: It is not necessary to graph these data.(1)The observed half life for this reaction when the starting concentration is 0.573 M is s and when the starting concentration is 0.287 M is s.(2)The average rate of disappearance of HI from t = 0 s to t = 520 s is  M s-1.(3)The average rate of disappearance of HI from t = 520 s to t = 781 s is  M s-1.(4)Based on these data, the rate constant for this _______zerofirstsecond order reaction is M s-1.

Chemistry
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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In a study of the decomposition of hydrogen iodide on a gold surface at 150 °C

HI(g)½ H2(g) + ½ I2(g)

the following data were obtained:

[HI], M 0.573 0.287 0.144 7.20×10-2
seconds 0 520 781 912



Hint: It is not necessary to graph these data.

(1)
The observed half life for this reaction when the starting concentration is 0.573 M is s and when the starting concentration is 0.287 M is s.

(2)
The average rate of disappearance of HI from t = 0 s to t = 520 s is  M s-1.

(3)
The average rate of disappearance of HI from t = 520 s to t = 781 s is  M s-1.

(4)
Based on these data, the rate constant for this _______zerofirstsecond order reaction is M s-1.

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