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E° = -0.04 V For the reaction: Au(s) + 4H+ (aq) + NO3(aq) + 4Cl(aq) →...
Half-potentials. Homework – Unanswered Due in 8 hours For the reaction: Au(s) + 4H" (aq) +...
Half-potentials. Homework – Unanswered Due in 8 hours For the reaction: Au(s) + 4H" (aq) + NO3(aq) + 4C"(aq) -- Aucla (aq) + NO(g) + 2H20 the standard potential E=-0.04 V. If the standard potential for the reduction of NO3 aq) to NO(g) is +0.96 V, determine the value of Efor the following half-reaction. AuCl(aq) + 3e - Au(s) + 4C1 (aq) (answer in V) Numeric Answer:
Standard Electrode Potentials at 25?C Reduction Half-Reaction E?(V) F2(g)+2e? ?2F?(aq) 2.87 Au3+(aq)+3e? ?Au(s) 1.50 Cl2(g)+2e? ?2Cl?(aq)...
Standard Electrode Potentials at 25?C Reduction Half-Reaction E?(V) F2(g)+2e? ?2F?(aq) 2.87 Au3+(aq)+3e? ?Au(s) 1.50 Cl2(g)+2e? ?2Cl?(aq) 1.36 O2(g)+4H+(aq)+4e? ?2H2O(l) 1.23 Br2(l)+2e? ?2Br?(aq) 1.09 NO3?(aq)+4H+(aq)+3e? ?NO(g)+2H2O(l) 0.96 Ag+(aq)+e? ?Ag(s) 0.80 I2(s)+2e? ?2I?(aq) 0.54 Cu2+(aq)+2e? ?Cu(s) 0.16 2H+(aq)+2e? ?H2(g) 0 Cr3+(aq)+3e? ?Cr(s) -0.73 2H2O(l)+2e? ?H2(g)+2OH?(aq) -0.83 Mn2+(aq)+2e? ?Mn(s) -1.18 How can the table be used to predict whether or not a metal will dissolve in HCl? In HNO3? Drag the terms on the left to the appropriate blanks on the right to...
3. (24 points) Consider the following reaction: Au(s) + NO3(aq) + 4H+ (aq) → NO(g) +...
3. (24 points) Consider the following reaction: Au(s) + NO3(aq) + 4H+ (aq) → NO(g) + 2 H20() + Aul(aq) SHOW ALL WORK: Equations written in symbols first. All conversions. Units on every number. a. (4 points) What is the standard cell potential? b. (5 points) What is the standard free energy change for this cell? (Be sure your answer is in the appropriate units for free energy) c. (2 points) As written would this reaction be the basis for...
A certain half-reaction has a standard reduction potential E = -0.45 V. An engineer proposes using...
A certain half-reaction has a standard reduction potential E = -0.45 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that must provide at least 1.00 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. 0-0 . " Is there a minimum standard reduction potential that the half-reaction used at the anode of this cell...
A certain half-reaction has a standard reduction potential +0.14 V. An engineer proposes using this half-reactio...
A certain half-reaction has a standard reduction potential +0.14 V. An engineer proposes using this half-reaction at the anode 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 anode of the cell. Is there a minimum standard reduction potential that the hall reaction used at the cathode of this cell can have? ves, there...
A certain half-reaction has a standard reduction potential E Ted =-0.99 V. An engineer proposes using...
A certain half-reaction has a standard reduction potential E Ted =-0.99 V. An engineer proposes using this half-reaction at the anode of a galvanic cell that must provide at least 0.90 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 anode of the cell O- Is there a minimum standard reduction potential that the half-reaction used at the cathode of this cell can have?...
Please show all steps taken (prefer typed solution) Half-Reaction E ° (V) Ag+ (aq) + e−...
Please show all steps taken (prefer typed solution)
Half-Reaction
E
°
(V)
Ag+ (aq) + e− → Ag (s)
0.7996
Al3+ (aq) + 3e− → Al (s)
−1.676
Au+ (aq) + e− → Au (s)
1.692
Au3+ (aq) + 3e− → Au (s)
1.498
Ba2+ (aq) + 2e− → Ba (s)
−2.912
Br2 (l) + 2e− → 2Br− (aq)
1.066
Ca2+ (aq) + 2e− → Ca (s)
−2.868
Cl2 (g) + 2e− → 2Cl− (aq)
1.35827
Co2+ (aq) + 2e−...
A voltaic cell that uses the reaction PdCl4^2-(aq)+Cd(s)>Of(s)+4Cl^-(aq)+Cd^2+(aq) has a measured standard cell potential of 1.03...
A voltaic cell that uses the reaction PdCl4^2-(aq)+Cd(s)>Of(s)+4Cl^-(aq)+Cd^2+(aq) has a measured standard cell potential of 1.03 V. Part A: Write the half cell reaction at the cathode. Part B: Write the half cell reaction at the anode Part C: By using data from Appendix E, determine E°red for the reaction involving Pd.
Given that Eºcell is 0.62 V for the following cell TI(s) | T|3+ (aq) || CI(aq)...
Given that Eºcell is 0.62 V for the following cell TI(s) | T|3+ (aq) || CI(aq) | Cl2(g) | Pt(s) and that the standard reduction potential for the half-reaction Cl2(g) + 2e - →2C1-(aq) is 1.36 V, calculate the standard reduction potential for the half-reaction T13+(aq) + 3e → Tl(s). 0.74 V -1.98 V -0.74 V +1.98 V +0.12 V
What is ∆Grxn at 25ºC for the following reaction: 4Au3+(aq, 0.050 M) + 12OH–(aq, 0.0020 M)...
What is ∆Grxn at 25ºC for the following reaction: 4Au3+(aq,
0.050 M) + 12OH–(aq, 0.0020 M) --> 4Au(s) + 3O2(g, 0.15 atm) +
6H2O(l)? Given the following standard reduction potentials:
Au3+(aq) + 3e– --> Au(s); Eº = 1.40 V O2(g) + 2H2O(l) + 4e–
--> 4OH–(aq); Eº = 0.401 V
Question 5 0 / 1 point What is DGrxn at 25°C for the following reaction: 4Au3+(aq, 0.050 M) + 120H"(aq, 0.0020 M) --> 4Au(s) + 302(8, 0.15 atm) + 6H2O(l)?...
Half-potentials. Homework – Unanswered Due in 8 hours For the reaction: Au(s) + 4H" (aq) + NO3(aq) + 4C"(aq) -- Aucla (aq) + NO(g) + 2H20 the standard potential E=-0.04 V. If the standard potential for the reduction of NO3 aq) to NO(g) is +0.96 V, determine the value of Efor the following half-reaction. AuCl(aq) + 3e - Au(s) + 4C1 (aq) (answer in V) Numeric Answer:
3. (24 points) Consider the following reaction: Au(s) + NO3(aq) + 4H+ (aq) → NO(g) + 2 H20() + Aul(aq) SHOW ALL WORK: Equations written in symbols first. All conversions. Units on every number. a. (4 points) What is the standard cell potential? b. (5 points) What is the standard free energy change for this cell? (Be sure your answer is in the appropriate units for free energy) c. (2 points) As written would this reaction be the basis for...
A certain half-reaction has a standard reduction potential E = -0.45 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that must provide at least 1.00 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. 0-0 . " Is there a minimum standard reduction potential that the half-reaction used at the anode of this cell...
A certain half-reaction has a standard reduction potential +0.14 V. An engineer proposes using this half-reaction at the anode 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 anode of the cell. Is there a minimum standard reduction potential that the hall reaction used at the cathode of this cell can have? ves, there...
A certain half-reaction has a standard reduction potential E Ted =-0.99 V. An engineer proposes using this half-reaction at the anode of a galvanic cell that must provide at least 0.90 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 anode of the cell O- Is there a minimum standard reduction potential that the half-reaction used at the cathode of this cell can have?...
Please show all steps taken (prefer typed solution)
Half-Reaction
E
°
(V)
Ag+ (aq) + e− → Ag (s)
0.7996
Al3+ (aq) + 3e− → Al (s)
−1.676
Au+ (aq) + e− → Au (s)
1.692
Au3+ (aq) + 3e− → Au (s)
1.498
Ba2+ (aq) + 2e− → Ba (s)
−2.912
Br2 (l) + 2e− → 2Br− (aq)
1.066
Ca2+ (aq) + 2e− → Ca (s)
−2.868
Cl2 (g) + 2e− → 2Cl− (aq)
1.35827
Co2+ (aq) + 2e−...
Given that Eºcell is 0.62 V for the following cell TI(s) | T|3+ (aq) || CI(aq) | Cl2(g) | Pt(s) and that the standard reduction potential for the half-reaction Cl2(g) + 2e - →2C1-(aq) is 1.36 V, calculate the standard reduction potential for the half-reaction T13+(aq) + 3e → Tl(s). 0.74 V -1.98 V -0.74 V +1.98 V +0.12 V
What is ∆Grxn at 25ºC for the following reaction: 4Au3+(aq,
0.050 M) + 12OH–(aq, 0.0020 M) --> 4Au(s) + 3O2(g, 0.15 atm) +
6H2O(l)? Given the following standard reduction potentials:
Au3+(aq) + 3e– --> Au(s); Eº = 1.40 V O2(g) + 2H2O(l) + 4e–
--> 4OH–(aq); Eº = 0.401 V
Question 5 0 / 1 point What is DGrxn at 25°C for the following reaction: 4Au3+(aq, 0.050 M) + 120H"(aq, 0.0020 M) --> 4Au(s) + 302(8, 0.15 atm) + 6H2O(l)?...
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