The Zn-Cl battery has been suggested as an energy generator in transportation. The reaction is as follows: Zn (s) + Cl2 (g, 1 atm.) ZnCl2 (aq) a) It the molality of the electrolyte ZnCl2 is of 0.1 m, employ the Debye-Hückel law for calculating the average ionic activity coefficient (γ±), the average ionic activity (a±) and the electrolyte’s activity (a2) b) Calculate the cell potential (Ecell), at 25 °C, using the values
The Zn-Cl battery has been suggested as an energy generator in transportation. The reaction is as follows: Zn (s) + Cl2 (g, 1 atm.) ZnCl2 (aq) a) It the molality of the electrolyte ZnCl2 is of 0.1 m, employ the Debye-Hückel law for calculating the average ionic activity coefficient (γ±), the average ionic activity (a±) and the electrolyte’s activity (a2) b) Calculate the cell potential (Ecell), at 25 °C, using the values
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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The Zn-Cl battery has been suggested as an energy generator in transportation. The reaction
is as follows:
Zn (s) + Cl2 (g, 1 atm.) ZnCl2 (aq)
a) It the molality of the electrolyte ZnCl2 is of 0.1 m, employ the Debye-Hückel law for calculating the average ionic activity coefficient (γ±), the average ionic activity (a±) and the
electrolyte’s activity (a2)
b) Calculate the cell potential (Ecell), at 25 °C, using the values obtained in the previous section.
Result a) γ±= 0.2768; a±=0.0440; a2=8.512 10-5 b) 2.2434 V
Transcribed Image Text:It the molality of the electrolyte ZnCl2 is of 0.1 m, employ the Debye-Hückel law for
alculating the average ionic activity coefficient (y=), the average ionic activity (a±) and the
lectrolyte’s activity (a2)
) Calculate the cell potential (Ecel1), at 25 °C, using the values obtained in the previous
ection.
esult b)2.123 V, AGº= -409.7 kJ/mol c) y== 0.2768; a±=0.0440; az=8.512 10-5 d) 2.2434 V
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