What is the initial cell potential? Express your answer to two decimal places and include the appropriate units. HẢ a) ? Ecel = 0.52 V What is the cell potential when the concentration of Ni2+ has fallen to 0.600 mol L-? Assume that both half-cells have the same volume. Express your answer to two decimal places and include the appropriate units.
What is the initial cell potential? Express your answer to two decimal places and include the appropriate units. HẢ a) ? Ecel = 0.52 V What is the cell potential when the concentration of Ni2+ has fallen to 0.600 mol L-? Assume that both half-cells have the same volume. Express your answer to two decimal places and include the appropriate units.
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
Section: Chapter Questions
Problem 94GQ: A voltaic cell is constructed in which one half-cell consists of a silver wire in an aqueous...
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PLEASEE ANSWER ALL AS THEY ARE CALCULATED TOGETHER BUT DIFFERENT QUESTIONS. I REALLY NEED HELP AND I WILL DEFF CONSIDER THUMBS UP
![Part A
A voltaic cell consists of a Zn/Zn²+ half-cell and a Ni/Ni²+ half-cell at 25 °C.
The initial concentrations of Ni²+ and Zn2+ are 1.80 mol L¬1 and 0.120
mol L, respectively.
What is the initial cell potential?
Zn²+(aq) +2 e → Zn(s)
Ni²+ (ag) + 2 e → Ni(s)
E° = -0.76 V
Express your answer to two decimal places and include the appropriate units.
E° = -0.23 V
НА
Ecell = 0.52
V
What is the cell potential when the concentration of Ni?+ has fallen to 0.600 mol L¯? Assume that both half-cells have the same volume.
Express your answer to two decimal places and include the appropriate units.
HA
|] ?
Ecell =
Value
Units
What are the concentrations of Ni?+ and Zn²+ when the cell potential falls to 0.46 V?
Express your answers using two significant figures separated by a comma.
ΑΣφ
[N?+], [Zn?+] =
mol L-1
Submit
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Transcribed Image Text:Part A
A voltaic cell consists of a Zn/Zn²+ half-cell and a Ni/Ni²+ half-cell at 25 °C.
The initial concentrations of Ni²+ and Zn2+ are 1.80 mol L¬1 and 0.120
mol L, respectively.
What is the initial cell potential?
Zn²+(aq) +2 e → Zn(s)
Ni²+ (ag) + 2 e → Ni(s)
E° = -0.76 V
Express your answer to two decimal places and include the appropriate units.
E° = -0.23 V
НА
Ecell = 0.52
V
What is the cell potential when the concentration of Ni?+ has fallen to 0.600 mol L¯? Assume that both half-cells have the same volume.
Express your answer to two decimal places and include the appropriate units.
HA
|] ?
Ecell =
Value
Units
What are the concentrations of Ni?+ and Zn²+ when the cell potential falls to 0.46 V?
Express your answers using two significant figures separated by a comma.
ΑΣφ
[N?+], [Zn?+] =
mol L-1
Submit
Request Answer
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