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: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 135CWP: Consider a galvanic cell based on the following half-reactions: a. What is the expected cell...
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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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