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3.) Consider that the following half'reaction is assigned a half coll vtage of 6 00 V Hg (aq) + 2e Hg (1) E0.00 V When this half-cell is paired with each of the following half-colls to form a complete cell in the laboratory, the following cell voltages are measured when the Hg cell is connected to the (+) terminal, thus acting as the cathode. Hg "Standard" Cell Potentials Ni/NI with Hg/Hg. 1.134 V Sn/Sn Hg/Hg". with 0.99 V Calculate the reduction potentials using this Hg standard cell. a. Ece E E NilNite T.134/= -1.134 V (Hg Standard) Ni2 (aq) + 2 e → Ni(s) --99r V (Hg Standard) Sn*2 (aq) + 2 e → Sn(s) 168

3.) Consider that the following half'reaction is assigned a half coll vtage of 6 00 V Hg (aq) + 2e Hg (1) E0.00 V When this half-cell is paired with each of the following half-colls to form a complete cell in the laboratory, the following cell voltages are measured when the Hg cell is connected to the (+) terminal, thus acting as the cathode. Hg "Standard" Cell Potentials Ni/NI with Hg/Hg. 1.134 V Sn/Sn Hg/Hg". with 0.99 V Calculate the reduction potentials using this Hg standard cell. a. Ece E E NilNite T.134/= -1.134 V (Hg Standard) Ni2 (aq) + 2 e → Ni(s) --99r V (Hg Standard) Sn*2 (aq) + 2 e → Sn(s) 168

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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Mixed CelI Potentials Now consider combining the Ni/NI and Sn/Sna half cells to produce a complete cell. b. Calculate the voltage of the cell you would expect to measure using your Hg standard values. Ni/Ni*2 with Sn/Sn2. V The Standard reduction potential values from Tables (using the Standard Hydrogen Electrode, SHE) are as follows: Sn*2 (aq) + 2 e → Sn(s) -0.136 V Ni*2 (aq) + 2 e → Ni(s) -0.280 V c. Calculate the voltage of the cell using the standard values from reference tables. Ni/Ni*2 with Sn/Sn*2. V 169
Transcribed Image Text:Mixed CelI Potentials Now consider combining the Ni/NI and Sn/Sna half cells to produce a complete cell. b. Calculate the voltage of the cell you would expect to measure using your Hg standard values. Ni/Ni*2 with Sn/Sn2. V The Standard reduction potential values from Tables (using the Standard Hydrogen Electrode, SHE) are as follows: Sn*2 (aq) + 2 e → Sn(s) -0.136 V Ni*2 (aq) + 2 e → Ni(s) -0.280 V c. Calculate the voltage of the cell using the standard values from reference tables. Ni/Ni*2 with Sn/Sn*2. V 169
3.) Consider that the following half'reaction is assigned a half coll voltage of 6 00 V Hg (aq) + 2 e Hg (1) E 0.00 V When this half-cell is paired with each of the following half-colls to forma complete cell in the laboratory, the following cell voltages are measured when the Hg cell is connected to the (+) terminal, thus acting as the cathode. Hg "Standard" Cell Potentials Ni/Ni with Ha/Hg. 1.134 V Sn/Sn with Hg/Hg, 0.99 V a. Calculate the reduction potentials using this Hg standard cell. Ecll E E NilNi %3D -1134V -134 -99r V (Hg Standard) Ni*2 (aq) + 2 e → Ni(s) V (Hg Standard) Sn*2 (aq) + 2 e → Sn(s) 168
Transcribed Image Text:3.) Consider that the following half'reaction is assigned a half coll voltage of 6 00 V Hg (aq) + 2 e Hg (1) E 0.00 V When this half-cell is paired with each of the following half-colls to forma complete cell in the laboratory, the following cell voltages are measured when the Hg cell is connected to the (+) terminal, thus acting as the cathode. Hg "Standard" Cell Potentials Ni/Ni with Ha/Hg. 1.134 V Sn/Sn with Hg/Hg, 0.99 V a. Calculate the reduction potentials using this Hg standard cell. Ecll E E NilNi %3D -1134V -134 -99r V (Hg Standard) Ni*2 (aq) + 2 e → Ni(s) V (Hg Standard) Sn*2 (aq) + 2 e → Sn(s) 168
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