5. In an experiment on the Pt H2 H electrode in dilute H2SO4, the following current densities were observed at 25°C. Evaluate a and I, for the electrode. n/mV ImA cm 50 cm²² 2.66 100 150 200 8.91 29.9 100 250 335 6. On oxidation of a range of solutions containing ferrocene at a glassy carbon electrode of diameter 1.5 mm, the current at t-1 s was determined as a function of the concentration of ferrocene. What is the diffusion coefficient of ferrocene given that the oxidation is a one electron process? [ferrocene]/mM iuA 1 2 3 4 5 8.9 17.8 26.7 35.6 44.5

5. In an experiment on the Pt H2 H electrode in dilute H2SO4, the following current densities were observed at 25°C. Evaluate a and I, for the electrode. n/mV ImA cm 50 cm²² 2.66 100 150 200 8.91 29.9 100 250 335 6. On oxidation of a range of solutions containing ferrocene at a glassy carbon electrode of diameter 1.5 mm, the current at t-1 s was determined as a function of the concentration of ferrocene. What is the diffusion coefficient of ferrocene given that the oxidation is a one electron process? [ferrocene]/mM iuA 1 2 3 4 5 8.9 17.8 26.7 35.6 44.5

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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