PRE-LABORATORY ASSIGNMENT Students must finish the pre-laboratory assignment before performing the laboratory experiment. 1. An electrochemical cell comprises two electrodes: (Zn2+/Zn) and (Ag/Ag). Use the standard reduction potentials to answer the following questions. What is the standard potential of the cell? Which electrode is the cathode, and which one is the anode? a. b. Write a net redox equation for this electrochemical cell. Consult the Appendix of "Principles of Modern Che try" by D. W. Oxtoby, H. P. Gillis, and Laurie J. Butler for standard reduction potentials. C. 2. You are given an electrochemical cell where the chemical reaction involves a silver complex, and a silver metal bar is provided as the positive electrode. The electrochemical potential for this cell is given by a. E = Eº 1 [Ag+] -0.0592(volts).log- Ag /Ag For a test solution with a silver concentration of 0.001 M, the electrochemical cell potential is 0.20 volts. Find the silver electrode potential EºAg+/Ag. b. This same cell from (a) is used to measure the electrochemical potential for a new silver complex in equilibrium. If the measured cell potential is 0.324 volts, what is the silver concentration for this new silver complex at a chemical equilibrium state?
PRE-LABORATORY ASSIGNMENT Students must finish the pre-laboratory assignment before performing the laboratory experiment. 1. An electrochemical cell comprises two electrodes: (Zn2+/Zn) and (Ag/Ag). Use the standard reduction potentials to answer the following questions. What is the standard potential of the cell? Which electrode is the cathode, and which one is the anode? a. b. Write a net redox equation for this electrochemical cell. Consult the Appendix of "Principles of Modern Che try" by D. W. Oxtoby, H. P. Gillis, and Laurie J. Butler for standard reduction potentials. C. 2. You are given an electrochemical cell where the chemical reaction involves a silver complex, and a silver metal bar is provided as the positive electrode. The electrochemical potential for this cell is given by a. E = Eº 1 [Ag+] -0.0592(volts).log- Ag /Ag For a test solution with a silver concentration of 0.001 M, the electrochemical cell potential is 0.20 volts. Find the silver electrode potential EºAg+/Ag. b. This same cell from (a) is used to measure the electrochemical potential for a new silver complex in equilibrium. If the measured cell potential is 0.324 volts, what is the silver concentration for this new silver complex at a chemical equilibrium state?
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 77AP
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Question
1a
![ack
ndar
PRE-LABORATORY ASSIGNMENT
Students must finish the pre-laboratory assignment before performing the laboratory experiment.
1. An electrochemical cell comprises two electrodes: (Zn²+/Zn) and (Ag/Ag). Use the standard reduction
potentials to answer the following questions.
What is the standard potential of the cell?
b. Which electrode is the cathode, and which one is the anode?
a.
2. ElectroChemistry-2023-113.pdf
Write a net redox equation for this electrochemical cell.
Consult the Appendix of "Principles of Modern Chemistry" by D. W. Oxtoby, H. P. Gillis, and Laurie J.
Butler for standard reduction potentials.
C.
2. You are given an electrochemical cell where the chemical reaction involves a silver complex, and a silver
metal bar is provided as the positive electrode. The electrochemical potential for this cell is given by
a.
E = Eº
To Do
+
Ag /Ag
1
[Ag*]
-0.0592(volts).log-
For a test solution with a silver concentration of 0.001 M, the electrochemical cell potential is 0.20
volts. Find the silver electrode potential EºAg+/Ag.
b. This same cell from (a) is used to measure the electrochemical potential for a new silver complex
in equilibrium. If the measured cell potential is 0.324 volts, what is the silver concentration for this
new silver complex at a chemical equilibrium state?
183
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Inbox
085% C
9
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Transcribed Image Text:ack
ndar
PRE-LABORATORY ASSIGNMENT
Students must finish the pre-laboratory assignment before performing the laboratory experiment.
1. An electrochemical cell comprises two electrodes: (Zn²+/Zn) and (Ag/Ag). Use the standard reduction
potentials to answer the following questions.
What is the standard potential of the cell?
b. Which electrode is the cathode, and which one is the anode?
a.
2. ElectroChemistry-2023-113.pdf
Write a net redox equation for this electrochemical cell.
Consult the Appendix of "Principles of Modern Chemistry" by D. W. Oxtoby, H. P. Gillis, and Laurie J.
Butler for standard reduction potentials.
C.
2. You are given an electrochemical cell where the chemical reaction involves a silver complex, and a silver
metal bar is provided as the positive electrode. The electrochemical potential for this cell is given by
a.
E = Eº
To Do
+
Ag /Ag
1
[Ag*]
-0.0592(volts).log-
For a test solution with a silver concentration of 0.001 M, the electrochemical cell potential is 0.20
volts. Find the silver electrode potential EºAg+/Ag.
b. This same cell from (a) is used to measure the electrochemical potential for a new silver complex
in equilibrium. If the measured cell potential is 0.324 volts, what is the silver concentration for this
new silver complex at a chemical equilibrium state?
183
Notifications
Inbox
085% C
9
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