1. A voltaic cell consists of two half-cells. One of the half-cells contains a platinum electrode surrounded by chromium (I) and dichromate ions. The other half-cell contains a platinum electrode surrounded by bromate ions and liquid bromine. Assume that the cell reaction, which produces a positive voltage, involves both chromium (III) and bromate ions. The cell is at 25°C. Information for the bromate reduction half reaction is as follows: 2B1O,-(ag) + 12H*(aq) + 10e- Br2(1) + 6H,0 Ered = 1.478 V (a) Write the cell diagram notation (b) Calculate E* for the cell (c) Calculate the voltage of the cell when all ionic species except H+ are 0.1500M and the pH is at -0.301.
1. A voltaic cell consists of two half-cells. One of the half-cells contains a platinum electrode surrounded by chromium (I) and dichromate ions. The other half-cell contains a platinum electrode surrounded by bromate ions and liquid bromine. Assume that the cell reaction, which produces a positive voltage, involves both chromium (III) and bromate ions. The cell is at 25°C. Information for the bromate reduction half reaction is as follows: 2B1O,-(ag) + 12H*(aq) + 10e- Br2(1) + 6H,0 Ered = 1.478 V (a) Write the cell diagram notation (b) Calculate E* for the cell (c) Calculate the voltage of the cell when all ionic species except H+ are 0.1500M and the pH is at -0.301.
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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Directions: Answer problem number 1 and its sub parts a,b and c
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Activity _5 Take 2.pdf
Activity #5 (Take 2)
1. A voltaic cell consists of two half-cells. One of the half-cells contains a platinum electrode surrounded
by chromium (I) and dichromate ions. The other half-cell contains a platinum electrode surrounded by
bromate ions and liquid bromine. Assume that the cell reaction, which produces a positive voltage,
involves both chromium (III) and bromate ions. The cell is at 25°C. Information for the bromate reduction
half reaction is as follows:
2B1O, (ag) + 12H*(aq) + 10e-- Br2(1) + 6H,0
E = 1.478 V
(a) Write the cell diagram notation
(b) Calculate E" for the cell
(c) Calculate the voltage of the cell when all ionic species except H+ are 0.1500M and the pH is at -0.301.
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