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96 Homework-4-21.pdf 4. Aluminum is produced commercially by the electrolysis of Al½O3 in the presence of a molten cryolite salt. If a plant has a continuous capacity of 10° A, what mass of aluminum can be produced in 2.00 h? 5. In the electrolysis of an aqueous solution of Na2S04, what reactions occur at the anode and the cathode (assuming standard conditions)? 80 S,02- + 2e → 2SO, →2S0, O, + 4H+ + 4e¯ → 2H,0 2H,0 + 2e¯ → H, + 20H → Na 2.01 V 1.23 V -0.83 V Nat + e -2.71 V 6. Consider the following reduction potentials Co3+ + 3e¯ → Co Eo = 1.26 V %3D E° = -0.28 V Co²+ + 2e¯ → Co When cobalt metal dissolves in 1.0 M nitric acid, will Co³* or Co²+ be the primary product (assuming standard conditions)? Explain. 7. Balance each redox reaction occurring in acidic aqueous solution.

96 Homework-4-21.pdf 4. Aluminum is produced commercially by the electrolysis of Al½O3 in the presence of a molten cryolite salt. If a plant has a continuous capacity of 10° A, what mass of aluminum can be produced in 2.00 h? 5. In the electrolysis of an aqueous solution of Na2S04, what reactions occur at the anode and the cathode (assuming standard conditions)? 80 S,02- + 2e → 2SO, →2S0, O, + 4H+ + 4e¯ → 2H,0 2H,0 + 2e¯ → H, + 20H → Na 2.01 V 1.23 V -0.83 V Nat + e -2.71 V 6. Consider the following reduction potentials Co3+ + 3e¯ → Co Eo = 1.26 V %3D E° = -0.28 V Co²+ + 2e¯ → Co When cobalt metal dissolves in 1.0 M nitric acid, will Co³* or Co²+ be the primary product (assuming standard conditions)? Explain. 7. Balance each redox reaction occurring in acidic aqueous solution.

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
Section19.9: Corrosion: Redox Reactions In The Environment
Problem 2.5ACP: Assume the following electrochemical cell simulates the galvanic cell formed by copper and zinc in...
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96 Homework-4-21.pdf 4. Aluminum is produced commercially by the electrolysis of Al½O3 in the presence of a molten cryolite salt. If a plant has a continuous capacity of 10° A, what mass of aluminum can be produced in 2.00 h? 5. In the electrolysis of an aqueous solution of Na2S04, what reactions occur at the anode and the cathode (assuming standard conditions)? 80 S,02- + 2e → 2SO, →2S0, O, + 4H+ + 4e¯ → 2H,0 2H,0 + 2e¯ → H, + 20H → Na 2.01 V 1.23 V -0.83 V Nat + e -2.71 V 6. Consider the following reduction potentials Co3+ + 3e¯ → Co Eo = 1.26 V %3D E° = -0.28 V Co²+ + 2e¯ → Co When cobalt metal dissolves in 1.0 M nitric acid, will Co³* or Co²+ be the primary product (assuming standard conditions)? Explain. 7. Balance each redox reaction occurring in acidic aqueous solution.
Transcribed Image Text:96 Homework-4-21.pdf 4. Aluminum is produced commercially by the electrolysis of Al½O3 in the presence of a molten cryolite salt. If a plant has a continuous capacity of 10° A, what mass of aluminum can be produced in 2.00 h? 5. In the electrolysis of an aqueous solution of Na2S04, what reactions occur at the anode and the cathode (assuming standard conditions)? 80 S,02- + 2e → 2SO, →2S0, O, + 4H+ + 4e¯ → 2H,0 2H,0 + 2e¯ → H, + 20H → Na 2.01 V 1.23 V -0.83 V Nat + e -2.71 V 6. Consider the following reduction potentials Co3+ + 3e¯ → Co Eo = 1.26 V %3D E° = -0.28 V Co²+ + 2e¯ → Co When cobalt metal dissolves in 1.0 M nitric acid, will Co³* or Co²+ be the primary product (assuming standard conditions)? Explain. 7. Balance each redox reaction occurring in acidic aqueous solution.
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