In a study of the decomposition of ammonia on a platinum surface at 856 °C NH3¬1/2 N2 + 3/2 H, the following data were obtained: NH3), M 1.95x10-3 1.50x103 9.75x10-4 1.75x103 7.80×10-3 3.90x10-3 seconds 0 1000 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 7.80×103M is s and when the starting concentration is 3.90×103 Mis (2) The average rate of disappearance of NH3 from t= 0 s to t= 1000 s is ]Ms!. (3) The average rate of disappearance of NH3 from t= 1000 s to t= 1.50×103 s is ]Ms!. (4) Based on these data, the rate constant for this v order reaction is Ms!

In a study of the decomposition of ammonia on a platinum surface at 856 °C NH3¬1/2 N2 + 3/2 H, the following data were obtained: NH3), M 1.95x10-3 1.50x103 9.75x10-4 1.75x103 7.80×10-3 3.90x10-3 seconds 0 1000 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 7.80×103M is s and when the starting concentration is 3.90×103 Mis (2) The average rate of disappearance of NH3 from t= 0 s to t= 1000 s is ]Ms!. (3) The average rate of disappearance of NH3 from t= 1000 s to t= 1.50×103 s is ]Ms!. (4) Based on these data, the rate constant for this v order reaction is Ms!

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 1ALQ

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