A certain half-reaction has a standard reduction potential E- =-0.77 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell tha must provide at least 1.30 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 0 =v yes, there is a minimum. E potential that the half-reaction used at red 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 X no minimum Is there a maximum standard reduction 0 E red 3 Пv O yes, there is a maximum 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 mal places. If there is no upper limit, check the "no" box no maximum 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. Ag (aq)e- Ag (s) Al3+ (aq) 3e Al (s) 0.7996 -1.676 Au (aq) e" Au (s) 1.692 Au3+ (aq) 3e Au (s) 1.498 Ba2+ (aq)2e Ba (s) -2.912 Br2 ()2e - 2Br (aq) 1.066 Ca2+ (aq)2e - - Са (s) -2.868 Cl2 (g)2e » 2Cl (aq) 1.35827 Co2+ (aq) 2e Co (s) -0.28 Co3+ (aq) e- Co2+ (aq) 1.92 Cr2+ (aq) 2e Cr (s) -0.913 Cr3+ (ag) 3e Cr (s) -0.744 Cr3+ (aq) e- Cr2+ (aq) -0.407 CrO42- (aq) 4H20 (I) +3e Cr(OH)3 (s) 50H- (aq) -0.13 Cu2+ (aq)2e- Cu (s) 0.3419 Cu2+ (aq) e Cu (aq) 0.153 Cu (aq)e-Cu (s) 0.521 F2 (g)2e 2F (aq) Fe2+ (aq)2e 2.866 Fe (s) -0.447 Fe3+ (aq)e"- Fe2+ (aq) 0.771 Fe3+ (aq) 3e Fe (s) -0.037 2H+ (aq) 2e H2 (g) 0.000 2H20 ()2e- H2 (g) + 20H (aq) -0.8277
A certain half-reaction has a standard reduction potential E- =-0.77 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell tha must provide at least 1.30 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 0 =v yes, there is a minimum. E potential that the half-reaction used at red 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 X no minimum Is there a maximum standard reduction 0 E red 3 Пv O yes, there is a maximum 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 mal places. If there is no upper limit, check the "no" box no maximum 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. Ag (aq)e- Ag (s) Al3+ (aq) 3e Al (s) 0.7996 -1.676 Au (aq) e" Au (s) 1.692 Au3+ (aq) 3e Au (s) 1.498 Ba2+ (aq)2e Ba (s) -2.912 Br2 ()2e - 2Br (aq) 1.066 Ca2+ (aq)2e - - Са (s) -2.868 Cl2 (g)2e » 2Cl (aq) 1.35827 Co2+ (aq) 2e Co (s) -0.28 Co3+ (aq) e- Co2+ (aq) 1.92 Cr2+ (aq) 2e Cr (s) -0.913 Cr3+ (ag) 3e Cr (s) -0.744 Cr3+ (aq) e- Cr2+ (aq) -0.407 CrO42- (aq) 4H20 (I) +3e Cr(OH)3 (s) 50H- (aq) -0.13 Cu2+ (aq)2e- Cu (s) 0.3419 Cu2+ (aq) e Cu (aq) 0.153 Cu (aq)e-Cu (s) 0.521 F2 (g)2e 2F (aq) Fe2+ (aq)2e 2.866 Fe (s) -0.447 Fe3+ (aq)e"- Fe2+ (aq) 0.771 Fe3+ (aq) 3e Fe (s) -0.037 2H+ (aq) 2e H2 (g) 0.000 2H20 ()2e- H2 (g) + 20H (aq) -0.8277
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:A certain half-reaction has a standard reduction potential E-
=-0.77 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell tha
must provide at least 1.30 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
0
=v
yes, there is a minimum.
E
potential that the half-reaction used at
red
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
X
no minimum
Is there a maximum standard reduction
0
E
red
3 Пv
O yes, there is a maximum
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
mal places. If there is no upper
limit, check the "no" box
no maximum
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.
Transcribed Image Text:Ag (aq)e- Ag (s)
Al3+ (aq) 3e Al (s)
0.7996
-1.676
Au (aq) e" Au (s)
1.692
Au3+ (aq) 3e
Au (s)
1.498
Ba2+ (aq)2e
Ba (s)
-2.912
Br2 ()2e - 2Br (aq)
1.066
Ca2+ (aq)2e -
- Са (s)
-2.868
Cl2 (g)2e » 2Cl (aq)
1.35827
Co2+ (aq) 2e
Co (s)
-0.28
Co3+ (aq) e- Co2+ (aq)
1.92
Cr2+ (aq) 2e
Cr (s)
-0.913
Cr3+ (ag) 3e Cr (s)
-0.744
Cr3+ (aq) e- Cr2+ (aq)
-0.407
CrO42- (aq) 4H20 (I) +3e
Cr(OH)3 (s)
50H- (aq)
-0.13
Cu2+ (aq)2e-
Cu (s)
0.3419
Cu2+ (aq) e Cu (aq)
0.153
Cu (aq)e-Cu (s)
0.521
F2 (g)2e 2F (aq)
Fe2+ (aq)2e
2.866
Fe (s)
-0.447
Fe3+ (aq)e"- Fe2+ (aq)
0.771
Fe3+ (aq) 3e
Fe (s)
-0.037
2H+ (aq) 2e
H2 (g)
0.000
2H20 ()2e- H2 (g) + 20H (aq)
-0.8277
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