Two isomers (X and Y) of a given compound dimerize as follows: 2X → X2 2Y → Y2 Both reactions are known to be second order in the reactant, and kx is known to be A[X] 0.25 L/mol·s at 20°C, where Rate = = kx{X}?. At In an experiment, X and Y were placed in separate flasks at 20°C, where {X}o = 1.5 x 10-2 M and {Y}o = 3.4 x 10-2 M. It was found that {X} = 2{Y} after the reactions progressed for 4.5 minutes. a) Calculate the half-life (in second) of the reaction involving the reactant X. (Correct your answer to the nearest integer.) S = - A[] At b) The rate law of the reaction involving the reactant Y is given by Rate ky{Y}2. Calculate the rate constant ky. L/mol ·s (Correct your answer to 3 significant figures.) c) Hence, find the second half-life (in second) of the reaction involving the reaction Y. s (Correct your answer to the nearest integer.)

Two isomers (X and Y) of a given compound dimerize as follows: 2X → X2 2Y → Y2 Both reactions are known to be second order in the reactant, and kx is known to be A[X] 0.25 L/mol·s at 20°C, where Rate = = kx{X}?. At In an experiment, X and Y were placed in separate flasks at 20°C, where {X}o = 1.5 x 10-2 M and {Y}o = 3.4 x 10-2 M. It was found that {X} = 2{Y} after the reactions progressed for 4.5 minutes. a) Calculate the half-life (in second) of the reaction involving the reactant X. (Correct your answer to the nearest integer.) S = - A[] At b) The rate law of the reaction involving the reactant Y is given by Rate ky{Y}2. Calculate the rate constant ky. L/mol ·s (Correct your answer to 3 significant figures.) c) Hence, find the second half-life (in second) of the reaction involving the reaction Y. s (Correct your answer to the nearest integer.)

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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