1-arrIn a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °CNH,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 anda y-intercept of 0.893 M-1.Based on this plot, the reaction|order in NH,NCO and the rate constant for the reaction isM-1min-1.zerofirstsecond

The reaction is a second order reaction Rate constant k = 1.45 × 102 M-1 min-1

In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH,NCO(aq)(NH,);CO(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-' min1 and a y-intercept of 0.893 M-1. Based on this plot, the reaction O order in NHNCO and the rate constant for the reaction is min-!. zero first second

In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH,NCO(aq)(NH,);CO(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-' min1 and a y-intercept of 0.893 M-1. Based on this plot, the reaction O order in NHNCO and the rate constant for the reaction is min-!. zero first second

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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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!.