In a study of the decomposition of ammonia on a tungsten surface at 1100 °CNH31/2 N2 + 3/2 H,the following data were obtained:[NH3], M5.75x10-46622.88×10-47732.30x10-31.15x103seconds442Hint: It is not necessary to graph these data.(1)The observed half life for this reaction when the starting concentration is 2.30×103 M iss and when the starting concentration is 1.15x10-3 M is(2)The average rate of disappearance of NH3 from t=0 s to t= 442 s is|Ms.(3)The average rate of disappearance of NH3 from t= 442 s to t= 662 s is]Ms!(4)Based on these data, the rate constant for thisorder reaction isMs

The rate of reaction is the speed at which the concentration of reactant is converted into product.…

NH31/2 N2 + 3/2 H2 the following data were obtained: [NH3), M seconds 2.30x10-3 1.15x103 5.75x104 2.88×104 442 662 773 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 2.30x103 M is s and when the starting concentration is 1.15x10-3 M is (2) The average rate of disappearance of NH3 from t=0 s to t= 442 s is ]Ms'. (3) The average rate of disappearance of NH3 from t= 442 s to t= 662 s is |Ms! (4) Based on these data, the rate constant for this v order reaction is Ms!

NH31/2 N2 + 3/2 H2 the following data were obtained: [NH3), M seconds 2.30x10-3 1.15x103 5.75x104 2.88×104 442 662 773 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 2.30x103 M is s and when the starting concentration is 1.15x10-3 M is (2) The average rate of disappearance of NH3 from t=0 s to t= 442 s is ]Ms'. (3) The average rate of disappearance of NH3 from t= 442 s to t= 662 s is |Ms! (4) Based on these data, the rate constant for this v order reaction is Ms!

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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Question

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
5.75x10-4
662
2.88×10-4
773
2.30x10-3
1.15x103
seconds
442
Hint: It is not necessary to graph these data.
(1)
The observed half life for this reaction when the starting concentration is 2.30×103 M is
s and when the starting concentration is 1.15x10-3 M is
(2)
The average rate of disappearance of NH3 from t=0 s to t= 442 s is
|Ms.
(3)
The average rate of disappearance of NH3 from t= 442 s to t= 662 s is
]Ms!
(4)
Based on these data, the rate constant for this
order reaction is
Ms

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