In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH,NCO(aq)(NH2)½CO(aq) the concentration of NH4NCO was followed as a function of time. It was found that a graph of 1/[NH4NCO] versus time in minutes gave a straight line with a slope of 1.44×102 M- min-1 and a y-intercept of 0.980 M-1. | order in NH4NCO and the rate constant for the Based on this plot, the reaction is | M' min-!. reaction is

In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH,NCO(aq)(NH2)½CO(aq) the concentration of NH4NCO was followed as a function of time. It was found that a graph of 1/[NH4NCO] versus time in minutes gave a straight line with a slope of 1.44×102 M- min-1 and a y-intercept of 0.980 M-1. | order in NH4NCO and the rate constant for the Based on this plot, the reaction is | M' min-!. reaction is

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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List at least four experimentally determined parameters that you, an experimenter, can define when exploring the hydrolysis of ethyl benzoate by aqueous sodium hydroxide.
1-arr In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH,NCO(aq)- →(NH2)½CO(aq) the concentration of NH,NCO was followed as a function of time. It was found that a graph of 1/[NHĻNCO] versus time in minutes gave a straight line with a slope of 1.45×10² M' min and a y-intercept of 0.893 M-1. Based on this plot, the reaction |order in NH,NCO and the rate constant for the reaction is M-1 min-1. zero first second
In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH¢NCO(aq)+(NH2)2CO(aq) the concentration of NH4NCO was followed as a function of time. It was found that a graph of 1/[NH4NCO] versus time in minutes gave a straight line with a slope of 1.74x10-2 M-¹ min¹ and a y-intercept of 2.34 M-¹. ✓order in NH4NCO and the rate constant for the reaction is M1 min 1. Based on this plot, the reaction is
In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH,NCO(aq)→(NH2)½CO(aq) the concentration of NH,NCO was followed as a function of time. It was found that a graph of 1/[NH,NCO] versus time in minutes gave a straight line with a slope of 1.45×10² M' min and a y-intercept of 1.67 M!. Based on this plot, the reaction is| | order in NH,NCO and the rate constant м1 min1 for the reaction is
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In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH,NCO(aq)→(NH2)½CO(aq) the following data were obtained: [NH,NCO], M |0.715 8.95x10-2 1.05x103 0.358 0.179 minutes 150 449 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.715 M is min and when the starting concentration is 0.358 M is min. (2) The average A(1/[NHẠNCO]) / At from t= 0 min to t= 150 min i | The average A(1/[NH,NCO]) / At from t= 150 min to t= 449 min is M min. M' min!. (3) Based on these data, the rate constant for this | order reaction is M' min!.
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