Draw a diagram of a voltaic cell using zinc-zinc ion and silver-silver ion as the two half-cells. Label the following parts in the diagram: cathode, anode, and the salt-bridge. Write the oxidation half-reaction and the reduction half-reaction and indicate if the reaction occurs at the anode or the cathode. Write the shorthand cell notation and the overall cell reaction. Zn2+ + 2 e- à Zn Eº = -0.76V Ag+ + e- à Ag Eº = 0.80 V
Draw a diagram of a voltaic cell using zinc-zinc ion and silver-silver ion as the two half-cells. Label the following parts in the diagram: cathode, anode, and the salt-bridge. Write the oxidation half-reaction and the reduction half-reaction and indicate if the reaction occurs at the anode or the cathode. Write the shorthand cell notation and the overall cell reaction. Zn2+ + 2 e- à Zn Eº = -0.76V Ag+ + e- à Ag Eº = 0.80 V
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter13: Electrochemistry
Section: Chapter Questions
Problem 13.75PAE: If a plating line that deposits nickel (from NiCl2 solutions) operates at a voltage of 0.40 V with a...
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Questions:
- Draw a diagram of a voltaic cell using zinc-zinc ion and silver-silver ion as the two half-cells. Label the following parts in the diagram: cathode, anode, and the salt-bridge. Write the oxidation half-reaction and the reduction half-reaction and indicate if the reaction occurs at the anode or the cathode. Write the shorthand cell notation and the overall cell reaction.
Zn2+ + 2 e- à Zn Eº = -0.76V
Ag+ + e- à Ag Eº = 0.80 V
- What is the function of a salt bridge?
- How did your experimental voltages compare with the theoretical cell voltages? Identify two sources of error which you believe may have contributed to the calculated percent error. Explain how each source of error could be prevented.
![Test Data:
Multi-Meter Data
Cell
Copper/Tin
Copper/Aluminu
m
Copper/Iron
Copper/Zinc
Negative (black
probe) Metal
tin
Aluminum
Iron
Zinc
Positive (red
probe) Metal
copper
Copper
copper
copper
Recorded Voltage
485
502
992
595](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F52b723b2-4961-4a2e-a6f2-a114471073ac%2F71b954eb-328d-4803-964c-3e65629dc902%2Fi4knxos_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Test Data:
Multi-Meter Data
Cell
Copper/Tin
Copper/Aluminu
m
Copper/Iron
Copper/Zinc
Negative (black
probe) Metal
tin
Aluminum
Iron
Zinc
Positive (red
probe) Metal
copper
Copper
copper
copper
Recorded Voltage
485
502
992
595
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