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An aqueous SeCl, solution is electrolyzed under 1 bar pressure using platinum electrodes. (a) Write the half-reactions predicted to occur at the anode and cathode, based on the standard cell potentials given below. Standard Reduction Potentials (Volts) at 25 °C 1.360 Cl₂ +2e2Cr O₂ +4 H30¹ +4e-6 H₂O 2 H₂O +2 e-H₂ + 2 OH Se³+ + 3e-Sc Reactants Enter electrons as e. Use the smallest integer coefficients possible. Half-reaction at anode: - Half-reaction at cathode: Reactants 1.229 - -0.828 -2.080 Products Products (b) What is the expected decomposition potential? |

An aqueous SeCl, solution is electrolyzed under 1 bar pressure using platinum electrodes. (a) Write the half-reactions predicted to occur at the anode and cathode, based on the standard cell potentials given below. Standard Reduction Potentials (Volts) at 25 °C 1.360 Cl₂ +2e2Cr O₂ +4 H30¹ +4e-6 H₂O 2 H₂O +2 e-H₂ + 2 OH Se³+ + 3e-Sc Reactants Enter electrons as e. Use the smallest integer coefficients possible. Half-reaction at anode: - Half-reaction at cathode: Reactants 1.229 - -0.828 -2.080 Products Products (b) What is the expected decomposition potential? |

Chemistry
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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An aqueous SeCl, solution is electrolyzed under 1 bar pressure using platinum electrodes. (a) Write the half-reactions predicted to occur at the anode and cathode, based on the standard cell potentials given below. Standard Reduction Potentials (Volts) at 25 °C 1.360 Cl₂ +2e2Cr O₂ + 4H30¹ +4e-6 H₂O 2 H₂O +2 e-H₂ + 2 OH Se³+ +3e+Sc Reactants Enter electrons as e. Use the smallest integer coefficients possible. Half-reaction at anode: - Half-reaction at cathode: Reactants 1.229 - -0.828 -2.080 Products Products (b) What is the expected decomposition potential?
Transcribed Image Text:An aqueous SeCl, solution is electrolyzed under 1 bar pressure using platinum electrodes. (a) Write the half-reactions predicted to occur at the anode and cathode, based on the standard cell potentials given below. Standard Reduction Potentials (Volts) at 25 °C 1.360 Cl₂ +2e2Cr O₂ + 4H30¹ +4e-6 H₂O 2 H₂O +2 e-H₂ + 2 OH Se³+ +3e+Sc Reactants Enter electrons as e. Use the smallest integer coefficients possible. Half-reaction at anode: - Half-reaction at cathode: Reactants 1.229 - -0.828 -2.080 Products Products (b) What is the expected decomposition potential?
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