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Ti3+ is to be generated in 0.10 M HCIO, for coulometric reduction of azobenzene. TiO2+ + 2 H+ +e¯ Tis+ + H,0 E° = 0.100V 4 Ti³+ + C,H,N=NC,H, + 4 H,0 – 2C,H,NH, + 4 TiO²+ + 4H* Azobenzene Aniline At the counter electrode, water is oxidized, and O, is liberated at a pressure of 0.212 bar. Both electrodes are made of smooth Pt. and each has a total surface area of 1.00 cm?. The rate of reduction of the azobenzene is 25.9 nmol/s, and the resistance of the solution between the generator electrodes is 51.8 2. Calculate the current density (A/m²) at the electrode surface. current density: A/m?

Ti3+ is to be generated in 0.10 M HCIO, for coulometric reduction of azobenzene. TiO2+ + 2 H+ +e¯ Tis+ + H,0 E° = 0.100V 4 Ti³+ + C,H,N=NC,H, + 4 H,0 – 2C,H,NH, + 4 TiO²+ + 4H* Azobenzene Aniline At the counter electrode, water is oxidized, and O, is liberated at a pressure of 0.212 bar. Both electrodes are made of smooth Pt. and each has a total surface area of 1.00 cm?. The rate of reduction of the azobenzene is 25.9 nmol/s, and the resistance of the solution between the generator electrodes is 51.8 2. Calculate the current density (A/m²) at the electrode surface. current density: A/m?

Chemistry
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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
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Use Table 17-1 to estimate the overpotential for O, libertation. Table 17-1 Overpotential (V) for gas evolution at various current densities (A/m?) at 25°C 10 A/m? 100 A/m2 1 000 A/m? 10 000 A/m? Electrode H, 0.0154 H, H, H, Platinized Pt 0.521 0.398 0.0300 0.0405 0.638 0.0483 0.766 Smooth Pt 0.024 0.721 0.068 0.85 0.288 1.28 0.676 1.49 overpotential: V Calculate the cathode potential (versus S.H.E.) assuming that (TIO²+ Jurfice = [TiO?+ Joulk = 0.0465 M and [T * lurfaee = 0.139 M. E(cathode) = V Calculate the anode potential(versus S.H.E.). Refer to the table of standard reduction potentials as needed. E(anode) = V What should be the applied voltage? E =
Transcribed Image Text:Use Table 17-1 to estimate the overpotential for O, libertation. Table 17-1 Overpotential (V) for gas evolution at various current densities (A/m?) at 25°C 10 A/m? 100 A/m2 1 000 A/m? 10 000 A/m? Electrode H, 0.0154 H, H, H, Platinized Pt 0.521 0.398 0.0300 0.0405 0.638 0.0483 0.766 Smooth Pt 0.024 0.721 0.068 0.85 0.288 1.28 0.676 1.49 overpotential: V Calculate the cathode potential (versus S.H.E.) assuming that (TIO²+ Jurfice = [TiO?+ Joulk = 0.0465 M and [T * lurfaee = 0.139 M. E(cathode) = V Calculate the anode potential(versus S.H.E.). Refer to the table of standard reduction potentials as needed. E(anode) = V What should be the applied voltage? E =
Ti³+ is to be generated in 0.10 M HC1O, for coulometric reduction of azobenzene. TiO2+ + 2 H+ + e 2 Ti3+ + H,0 E° = 0.100V 4 Ti* + CgH,N-NC,H, + 4H,0 — 2С,Н, NH, + 4 TiO* + 4H* 2 C,H,NH, + 4 TiO²+ + 4H+ 9. 9. Azobenzene Aniline At the counter electrode, water is oxidized, and O, is liberated at a pressure of 0.212 bar. Both electrodes are made of smooth Pt, and each has a total surface area of 1.00 cm2. The rate of reduction of the azobenzene is 25.9 nmol/s, and the resistance of the solution between the generator electrodes is 51.8 2. Calculate the current density (A/m2) at the electrode surface. current density: A/m?
Transcribed Image Text:Ti³+ is to be generated in 0.10 M HC1O, for coulometric reduction of azobenzene. TiO2+ + 2 H+ + e 2 Ti3+ + H,0 E° = 0.100V 4 Ti* + CgH,N-NC,H, + 4H,0 — 2С,Н, NH, + 4 TiO* + 4H* 2 C,H,NH, + 4 TiO²+ + 4H+ 9. 9. Azobenzene Aniline At the counter electrode, water is oxidized, and O, is liberated at a pressure of 0.212 bar. Both electrodes are made of smooth Pt, and each has a total surface area of 1.00 cm2. The rate of reduction of the azobenzene is 25.9 nmol/s, and the resistance of the solution between the generator electrodes is 51.8 2. Calculate the current density (A/m2) at the electrode surface. current density: A/m?
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