II.2- Saponification of ethyl ethanoate, a second-order kinetic? Data: R = 8.314 J mol- K- The kinetic study of the saponification reaction of ethyl ethanoate by caustic soda (sodium hydroxide NaOH): CH3COOCH2CH3 + OH → CH3CO2 + CH3CH2OH was achieved at 298 K for initial concentrations a in ester and hydroxide that are identical. Experimental results, for different values of a, are reported in the following table: a (mol L-l) 0.1 7.5 x 10-2 5 x 10-2 4 x 10-2 t1/2 (s) 6.66 x105 8.89 x105 1.33 x106 1.66 x106 Using a value of Ea = 61.5 kJ mol- for the activation energy of this reaction in the considered temperature domain, calculate the value of the time that is necessary for the concentration in ethanol CH3CH2OH to reach 5 x 10-3 mol L- at T = 308 K.

II.2- Saponification of ethyl ethanoate, a second-order kinetic? Data: R = 8.314 J mol- K- The kinetic study of the saponification reaction of ethyl ethanoate by caustic soda (sodium hydroxide NaOH): CH3COOCH2CH3 + OH → CH3CO2 + CH3CH2OH was achieved at 298 K for initial concentrations a in ester and hydroxide that are identical. Experimental results, for different values of a, are reported in the following table: a (mol L-l) 0.1 7.5 x 10-2 5 x 10-2 4 x 10-2 t1/2 (s) 6.66 x105 8.89 x105 1.33 x106 1.66 x106 Using a value of Ea = 61.5 kJ mol- for the activation energy of this reaction in the considered temperature domain, calculate the value of the time that is necessary for the concentration in ethanol CH3CH2OH to reach 5 x 10-3 mol L- at T = 308 K.

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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