Consider the given half-reactions that occur at the cathode and anode in an electrolysis reaction at T=298 K.T=298 K. cathode:Al3+(aq, 0.20 M)+3e--- -- Al(s)cathode:Al3+(aq, 0.20 M)+3e--- -- Al(s) anode:Au(s) ---- Au3+(aq, 0.17 M)+3e- Al3*(aq) + 3e¯ → ,3+ Al(s) -1.677 Au3*(aq) + 3e¬→ Au(s) +1.498 Consider the given half-reactions that occur at the cathode and anode in an electrolysis reaction at T = 298 K. cathode: Al+(aq, 0.20 M) +3e¯ Al(s) anode: Au(s) Au³+(aq, 0.17 M) + 3e- Standard reduction potentials can be found in the table of standard reduction potentials. What voltage must be applied to drive the net reaction if current is negligible? Ecell = V Calculate the ohmic potential of the cell if the cell has a resistance of 3.5 N and a current of 270 mA. Echmic = V Calculate the potential that needs to be applied to drive the reaction considering the calculated ohmic potential, an anodic overpotential of 0.19 V, and a cathodic overpotential of 0.41 V. Eapplied V If concentration polarization occurs in the cell and [Al³*], becomes 0.005 M and [Au*], becomes 0.80 M, what potential must be applied to drive the reaction? Assume the resistance, current, and overpotentials are the same as in the previous parts of this question. Eapplied = V
Consider the given half-reactions that occur at the cathode and anode in an electrolysis reaction at T=298 K.T=298 K. cathode:Al3+(aq, 0.20 M)+3e--- -- Al(s)cathode:Al3+(aq, 0.20 M)+3e--- -- Al(s) anode:Au(s) ---- Au3+(aq, 0.17 M)+3e- Al3*(aq) + 3e¯ → ,3+ Al(s) -1.677 Au3*(aq) + 3e¬→ Au(s) +1.498 Consider the given half-reactions that occur at the cathode and anode in an electrolysis reaction at T = 298 K. cathode: Al+(aq, 0.20 M) +3e¯ Al(s) anode: Au(s) Au³+(aq, 0.17 M) + 3e- Standard reduction potentials can be found in the table of standard reduction potentials. What voltage must be applied to drive the net reaction if current is negligible? Ecell = V Calculate the ohmic potential of the cell if the cell has a resistance of 3.5 N and a current of 270 mA. Echmic = V Calculate the potential that needs to be applied to drive the reaction considering the calculated ohmic potential, an anodic overpotential of 0.19 V, and a cathodic overpotential of 0.41 V. Eapplied V If concentration polarization occurs in the cell and [Al³*], becomes 0.005 M and [Au*], becomes 0.80 M, what potential must be applied to drive the reaction? Assume the resistance, current, and overpotentials are the same as in the previous parts of this question. Eapplied = V
Modern Physics
3rd Edition
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Chapter11: Molecular Structure
Section: Chapter Questions
Problem 1P
Related questions
Question
![Consider the given half-reactions that occur at
the cathode and anode in an electrolysis
reaction at T=298 K.T=298 K.
cathode:Al3+(aq, 0.20 M)+3e---
-- Al(s)cathode:Al3+(aq, 0.20 M)+3e---
- - Al(s)
anode:Au(s)----
3+,
Au3+(aq, 0.17М)+Зе-
Al(s)
Al3*(aq) + 3e-
Au3*(aq)
-1.677
+ Зе
Au(s)
+1.498
Consider the given half-reactions that occur at the cathode and anode in an electrolysis reaction at T = 298 K.
cathode: Al3+(aq, 0.20 M) + 3e¯ Al(s)
anode: Au(s) Au³+(aq, 0.17 M) + 3 e-
Standard reduction potentials can be found in the table of standard reduction potentials.
What voltage must be applied to drive the net reaction if current is negligible?
Ecell =
V
Calculate the ohmic potential of the cell if the cell has a resistance of 3.5 N and a current of 270 mA.
Echmic =
V
Calculate the potential that needs to be applied to drive the reaction considering the calculated ohmic potential, an anodic
overpotential of 0.19 V, and a cathodic overpotential of 0.41 V.
Eapplied =
V
If concentration polarization occurs in the cell and [Al³+], becomes 0.005 M and [Au³+], becomes 0.80 M, what
potential must be applied to drive the reaction? Assume the resistance, current, and overpotentials are the same as in the
previous parts of this question.
Eapplied =
V](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7ac4343-a6bd-48dd-a2c8-25dc11034573%2F4d25608f-cfc7-4fa5-a1d1-5b9e0583525f%2Ft9gs4ti_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the given half-reactions that occur at
the cathode and anode in an electrolysis
reaction at T=298 K.T=298 K.
cathode:Al3+(aq, 0.20 M)+3e---
-- Al(s)cathode:Al3+(aq, 0.20 M)+3e---
- - Al(s)
anode:Au(s)----
3+,
Au3+(aq, 0.17М)+Зе-
Al(s)
Al3*(aq) + 3e-
Au3*(aq)
-1.677
+ Зе
Au(s)
+1.498
Consider the given half-reactions that occur at the cathode and anode in an electrolysis reaction at T = 298 K.
cathode: Al3+(aq, 0.20 M) + 3e¯ Al(s)
anode: Au(s) Au³+(aq, 0.17 M) + 3 e-
Standard reduction potentials can be found in the table of standard reduction potentials.
What voltage must be applied to drive the net reaction if current is negligible?
Ecell =
V
Calculate the ohmic potential of the cell if the cell has a resistance of 3.5 N and a current of 270 mA.
Echmic =
V
Calculate the potential that needs to be applied to drive the reaction considering the calculated ohmic potential, an anodic
overpotential of 0.19 V, and a cathodic overpotential of 0.41 V.
Eapplied =
V
If concentration polarization occurs in the cell and [Al³+], becomes 0.005 M and [Au³+], becomes 0.80 M, what
potential must be applied to drive the reaction? Assume the resistance, current, and overpotentials are the same as in the
previous parts of this question.
Eapplied =
V
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