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1. Calculate the value the cell potential, E cell, and the free energy, delta G, for the given conditions. 2. Determine the PH Determine the pH at which the given concentrations of PB2+ , Pb 4+ , Mn2+ , and MnO-4 would be at equilbrium

1. Calculate the value the cell potential, E cell, and the free energy, delta G, for the given conditions. 2. Determine the PH Determine the pH at which the given concentrations of PB2+ , Pb 4+ , Mn2+ , and MnO-4 would be at equilbrium

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
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1. Calculate the value the cell potential, E cell, and the free energy, delta G, for the given conditions.

2. Determine the PH

Determine the pH at which the given concentrations of PB2+ , Pb 4+ , Mn2+ , and MnO-4 would be at equilbrium 

A solution containing 0.19 M Pb²+ , 1.5 × 10-º M Pb**, 1.5 x 10° M Mn²+, 0.19 M MnO, , and 0.83 M HNO, was prepared. For this solution, the balanced reduction half-reactions and overall net reaction shown can occur. 4 3 5 [Pb4+ + 2 e = Pb2+] 2 [MnO, + 8 H+ + 5 e¯ Mn2+ + 4 H, O] E = 1.690 V %3D 4 E = 1.507 V 5 Pb+ + 2 Mn²+ + 8 H,O = 5 Pb²* + 2 MnO, + 16H† 4 Determine Ell, AG°, and K for this reaction. cell'
Transcribed Image Text:A solution containing 0.19 M Pb²+ , 1.5 × 10-º M Pb**, 1.5 x 10° M Mn²+, 0.19 M MnO, , and 0.83 M HNO, was prepared. For this solution, the balanced reduction half-reactions and overall net reaction shown can occur. 4 3 5 [Pb4+ + 2 e = Pb2+] 2 [MnO, + 8 H+ + 5 e¯ Mn2+ + 4 H, O] E = 1.690 V %3D 4 E = 1.507 V 5 Pb+ + 2 Mn²+ + 8 H,O = 5 Pb²* + 2 MnO, + 16H† 4 Determine Ell, AG°, and K for this reaction. cell'
Calculate the value for the cell potential, Ecell , and the free energy, AG, for the given conditions. Ecell l = AG= Calculate the value of Ecell for this system at equilibrium. Ecell = Determine the pH at which the given concentrations of Pb2+ , Pb4+ , Mn²+ , and MnO, would be at equilibrium. pH = - TOOLS x10
Transcribed Image Text:Calculate the value for the cell potential, Ecell , and the free energy, AG, for the given conditions. Ecell l = AG= Calculate the value of Ecell for this system at equilibrium. Ecell = Determine the pH at which the given concentrations of Pb2+ , Pb4+ , Mn²+ , and MnO, would be at equilibrium. pH = - TOOLS x10
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