A certain half-reaction has a standard reduction potential Ered=-0.97 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that must provide at least 0.80 V of electrical power. The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell. Is there a minimum standard reduction. potential that the half-reaction used at the anode of this cell can have? If so, check the "yes" box and calculate. the minimum. Round your answer to 2 decimal places. If there is no lower limit, check the "no" box. Is there a maximum standard reduction potential that the half-reaction used at the anode of this cell can have? If so, check the "yes" box and calculate Dound your answer to ? yes, there is a minimum. Ono minimum O yes, there is a maximum. 0 E red Ov 0 Ered - Ov e X 00 S
A certain half-reaction has a standard reduction potential Ered=-0.97 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that must provide at least 0.80 V of electrical power. The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell. Is there a minimum standard reduction. potential that the half-reaction used at the anode of this cell can have? If so, check the "yes" box and calculate. the minimum. Round your answer to 2 decimal places. If there is no lower limit, check the "no" box. Is there a maximum standard reduction potential that the half-reaction used at the anode of this cell can have? If so, check the "yes" box and calculate Dound your answer to ? yes, there is a minimum. Ono minimum O yes, there is a maximum. 0 E red Ov 0 Ered - Ov e X 00 S
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 31E: Determine the standard cell potential and the cell potential under the stated conditions for the...
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Transcribed Image Text:A certain half-reaction has a standard reduction potential Ered=-0.97 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that
must provide at least 0.80 V of electrical power. The cell will operate under standard conditions.
Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell.
Is there a minimum standard reduction
potential that the half-reaction used at
the anode of this cell can have?
If so, check the "yes" box and calculate
the minimum. Round your answer to 2
decimal places. If there is no lower
limit, check the "no" box.
Is there a maximum standard reduction
potential that the half-reaction used at
the anode of this cell can have?
If so, check the "yes" box and calculate
the maximum. Round your answer to 2
decimal places. If there is no upper
limit, check the "no" box.
By using the information in the ALEKS
Data tab, write a balanced equation
describing a half reaction that could be
used at the anode of this cell.
Note: write the half reaction as it would
actually occur at the anode.
yes, there is a minimum.
Ono minimum
O yes, there is a maximum.
Ono maximum
0
Ered = Ov
0
Ered = Ov
e
X
S
![de at least 0.80
vanced students: accuma the enginear ranuirac thie half-reaction.
olo Data
Tui caditipic, une chanapy Tecucu to TVC U liquid water.
[+] Standard reduction potentials at 25°C
For example, the potentials you'll need to calculate the voltage of a battery.
[+] pk, of weak acids at 25°C
For example, the pka of acetic acid (CH3CO₂H).
[+] Ka of acids at 25°C
For example, the Ka of acetic acid (CH3CO₂H)
[+] Kb of bases at 25°C
For example, the Kb of acetate (CH3CO₂)
+] Acid-Base indicators and pH range
For example, the pH range for color change for phenolphthalein.
+] Solubility product constants (Ksp)
For example, the physical constant that will let you calculate the solubility in water at 25°C of AgCl.
] Complex ion formation constants (Kr)
For example, the physical constant that will let you calculate the equilibrium molarity of a complex ion in water at 25°C.
Vapor pressure of water (H₂O) at selected temperatures
For example, the vapor pressure of water at 15°C.
meck](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffb7c8d89-d88e-4012-9dce-44cfff81e849%2F04aa7d4f-ffb5-42eb-b787-3ab0951434f1%2Fr93olyj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:de at least 0.80
vanced students: accuma the enginear ranuirac thie half-reaction.
olo Data
Tui caditipic, une chanapy Tecucu to TVC U liquid water.
[+] Standard reduction potentials at 25°C
For example, the potentials you'll need to calculate the voltage of a battery.
[+] pk, of weak acids at 25°C
For example, the pka of acetic acid (CH3CO₂H).
[+] Ka of acids at 25°C
For example, the Ka of acetic acid (CH3CO₂H)
[+] Kb of bases at 25°C
For example, the Kb of acetate (CH3CO₂)
+] Acid-Base indicators and pH range
For example, the pH range for color change for phenolphthalein.
+] Solubility product constants (Ksp)
For example, the physical constant that will let you calculate the solubility in water at 25°C of AgCl.
] Complex ion formation constants (Kr)
For example, the physical constant that will let you calculate the equilibrium molarity of a complex ion in water at 25°C.
Vapor pressure of water (H₂O) at selected temperatures
For example, the vapor pressure of water at 15°C.
meck
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