AG", rzn =-474 kJ/mol Electrode Half-Reaction Standard Reduction Cathode O2(9) + 4 H* (aq) + 4 e → 2 H20(1) ? Anode 2 H* (aq) + 2 e- → H2(9) 0.00 e operation of a hydrogen fuel cell under standard conditions relies on the chemical reaction represented above. The table provides the relevan tentials. Based on the information given, which of the following equations can be used to calculate the standard reduction potential, in volts, o E red (cathode) = -474 4 x 96,500 A -474,000 в E red (cathode) = %3D 4 x 96,500 4 x 96,500 E red (cathode) 474 4 x 96,500 E red (cathode) = -474,000 D.
AG", rzn =-474 kJ/mol Electrode Half-Reaction Standard Reduction Cathode O2(9) + 4 H* (aq) + 4 e → 2 H20(1) ? Anode 2 H* (aq) + 2 e- → H2(9) 0.00 e operation of a hydrogen fuel cell under standard conditions relies on the chemical reaction represented above. The table provides the relevan tentials. Based on the information given, which of the following equations can be used to calculate the standard reduction potential, in volts, o E red (cathode) = -474 4 x 96,500 A -474,000 в E red (cathode) = %3D 4 x 96,500 4 x 96,500 E red (cathode) 474 4 x 96,500 E red (cathode) = -474,000 D.
Chemistry
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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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![Question 18A
2 H2(g) + 02(g) → 2 H2O(1)
AGan = -474 kJ/mol
Electrode
Half-Reaction
Standard Reduction Potential (V)
Cathode
O2(9) + 4 H*(aq) + 4 e- → 2 H2O(1)
?
Anode
2 H*(ag) + 2 e → H2(g)
0.00
The operation of a hydrogen fuel cell under standard conditions relies on the chemical reaction represented above. The table provides the relevant reduction half-reactions and the standard reduction
potentials. Based on the information given, which of the following equations can be used to calculate the standard reduction potential, in volts, of the half-reaction occurring at the cathode?
E red (cathode)
-474
4 x 96,500
A
E' red (cathode)
-474,000
4 x 96,500
E red (cathode) =
4 x 96,500
474
4 x 96,500
D
E' red (cathode) =
-474,000
回く*
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Transcribed Image Text:Question 18A
2 H2(g) + 02(g) → 2 H2O(1)
AGan = -474 kJ/mol
Electrode
Half-Reaction
Standard Reduction Potential (V)
Cathode
O2(9) + 4 H*(aq) + 4 e- → 2 H2O(1)
?
Anode
2 H*(ag) + 2 e → H2(g)
0.00
The operation of a hydrogen fuel cell under standard conditions relies on the chemical reaction represented above. The table provides the relevant reduction half-reactions and the standard reduction
potentials. Based on the information given, which of the following equations can be used to calculate the standard reduction potential, in volts, of the half-reaction occurring at the cathode?
E red (cathode)
-474
4 x 96,500
A
E' red (cathode)
-474,000
4 x 96,500
E red (cathode) =
4 x 96,500
474
4 x 96,500
D
E' red (cathode) =
-474,000
回く*
Q Search or enter website name
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