In a study of the decomposition of ammonia on a platinum surface at 856 °CNH31/2 N2 + 3/2 H2the following data were obtained:NH3], M2.39x10-31.20×1039976.00x1041.50x1033.00x10-41.75x103secondsHint: It is not necessary to graph these data.(1)The observed half life for this reaction when the starting concentration is 2.39x10-3 M iss and when the starting concentration is 1.20×10-3 M iss.(2)The average rate of disappearance of NH3 from t= 0 s to t= 997 s isMs!.(3)The average rate of disappearance of NH3 from t= 997 s to t= 1.50×103 s isMs-l.(4)Based on these data, the rate constant for this| order reaction isMs-1.

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 1.20x10-3 997 3.00x104 1.75x103 2.39x10-3 6.00x104 1.50x103 seconds Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 2.39×10-3 M is s and when the starting concentration is 1.20x103 M is | (2) The average rate of disappearance of NH3 from t= 0s to t= 997 s is Ms! (3) The average rate of disappearance of NH3 from t= 997 s to t= 1.50×103 s is s!. (4) Based on these data, the rate constant for this | order reaction is

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 1.20x10-3 997 3.00x104 1.75x103 2.39x10-3 6.00x104 1.50x103 seconds Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 2.39×10-3 M is s and when the starting concentration is 1.20x103 M is | (2) The average rate of disappearance of NH3 from t= 0s to t= 997 s is Ms! (3) The average rate of disappearance of NH3 from t= 997 s to t= 1.50×103 s is s!. (4) Based on these data, the rate constant for this | order reaction is

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter30: Capillary Electrophoresis, Electrochromatography, And Field-flow Fractionation

Section: Chapter Questions

Problem 30.9QAP

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