In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH,NCO(aq)—(NH2)zCO(aq) the following data were obtained: [NH4NCO], M 0.948 minutes 0 0.474 131 0.237 392 0.119 911 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.948 M is starting concentration is 0.474 M is min. (3) Based on these data, the rate constant for this (2) The average A(1/[NH4NCO]) / At from t = 0 min to t = 131 min is The average A(1/[NH4NCO]) / At from t = 131 min to t = 392 min is order reaction is M-¹ min-¹. M-¹ min ¹. min and when the M-¹ min ¹.

In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH,NCO(aq)—(NH2)zCO(aq) the following data were obtained: [NH4NCO], M 0.948 minutes 0 0.474 131 0.237 392 0.119 911 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.948 M is starting concentration is 0.474 M is min. (3) Based on these data, the rate constant for this (2) The average A(1/[NH4NCO]) / At from t = 0 min to t = 131 min is The average A(1/[NH4NCO]) / At from t = 131 min to t = 392 min is order reaction is M-¹ min-¹. M-¹ min ¹. min and when the M-¹ min ¹.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section: Chapter Questions

Problem 113QRT

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