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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

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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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
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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