In a study of the decomposition of ammonia on a platinum surface at 856 °C NH31/2 N2 + 3/2 H2 the following data were obtained: NH3), M 6.27x10-3 7.85×104 1.75x103 3.14x10-3 1.57x103 1.50x103 seconds 998 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 6.27x103 M is starting concentration is 3.14×103 M is | s and when the (2) The average rate of disappearance of NH3 from t = 0 s tot = 998 s is |Ms!. (3) The average rate of disappearance of NH3 from t = 998 s to t= 1.50x103 s is Ms (4) Based on these data, the rate constant for this zero v order reaction is Ms!

In a study of the decomposition of ammonia on a platinum surface at 856 °C NH31/2 N2 + 3/2 H2 the following data were obtained: NH3), M 6.27x10-3 7.85×104 1.75x103 3.14x10-3 1.57x103 1.50x103 seconds 998 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 6.27x103 M is starting concentration is 3.14×103 M is | s and when the (2) The average rate of disappearance of NH3 from t = 0 s tot = 998 s is |Ms!. (3) The average rate of disappearance of NH3 from t = 998 s to t= 1.50x103 s is Ms (4) Based on these data, the rate constant for this zero v order reaction is Ms!

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 11.49PAE: The rate of photodecomposition of the herbicide piclo- ram in aqueous systems was determined by...

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