Homework Answers
Answer:-
This question is solved by using the simple concept of electrochemistry which involves oxidation and reduction. Firstly Nersnt equation is written from overall cell reaction.
The answer is given in the image,
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For the cell Ni(s) Ni2+(aq) || Ag+(aq) Ag(s), the standard cell potential is 1.03 V. A...
A voltaic cell is constructed from an Ni2+ (aq) -Ni(s) half-cell and an Ag+ (aq)- Ag(s)...
A voltaic cell is constructed from an Ni2+ (aq) -Ni(s) half-cell and an Ag+ (aq)- Ag(s) half-cell. The initial concentration of Ni2+ (aq) in the Ni2+ - Ni half-cell is [Ni2+1 = 1.80x10-2 M. The initial cell voltage is +1.13 V. Part A By using data in Table 20.1 in the textbook, calculate the standard emf of this voltaic cell. V AEQ ? E V Submit Request Answer Part B. Will the concentration of Ni2+ (aq) increase or decrease as...
A voltaic cell is made from Ni(s), Ni2+(aq), Ag(s) and Ag+ a. Fill in the diagram...
A voltaic cell is made from Ni(s), Ni2+(aq), Ag(s) and Ag+
a. Fill in the diagram with the chemicals associated with each
part of the cell.
b. Write a balanced cell reaction
A voltaic cell is made from Ni(s), Niz*(aq), Ag(s) and Ag 7. a. Fill in the diagram with the chemicals associated with each part of the cell. Ni2+ + 2 e-→ Ni(s) Ag+ + e-→ Ag(s) -0.25 0.80
Calculate the standard cell potential (∆Eo) for the galvanic cell: Ni (s) 1 Ni2+ (aq) II...
Calculate the standard cell potential (∆Eo) for the
galvanic cell:
Ni (s) 1 Ni2+ (aq) II Ag+ (aq) 1 Ag (5) Given: E Half Reaction Ag+ (aq) +e- → Ag (s) Ni2+ (aq) + 2e- → Ni (s) 0.79 Volts -0.23 Volts
1. A voltaic cell is constructed from a Al/Al half-cell (E'red -1.66 V) and a Fe/Fe?...
1. A voltaic cell is constructed from a Al/Al half-cell (E'red -1.66 V) and a Fe/Fe? half- cell (Ered-0.44V) Give the oxidation half reaction and E"ox, the reduction half reaction and E'red, and the overall reaction and E"cell: Oxidation: Reduction: red E cell Overall Reaction: 2. For the cell Fe(s) Fe2+ | Pb* | Pb), the standard cell potential is +0.31 V. A cell using these reagents was made, and the observed potential was +0.37 V at 25°C. A) What...
Question 4 A galvanic cell uses the reaction: 2Ag+(aq) + Ni(s) --> 2Ag(s) + Ni2+(aq) a)...
Question 4 A galvanic cell uses the reaction: 2Ag+(aq) + Ni(s) --> 2Ag(s) + Ni2+(aq) a) calculate the Standard Cell Potential (Ecell) of this galvanic cell and b) which metal is the cathode? a) 1.03 V; b) nickel a) 1.03 V; b) silver oooo a) 0.57 V; b) nickel a) 0.57V; b) silver
In the following cell, A is a standard Ni2+1 Ni electrode connected to a standard hydrogen...
In the following cell, A is a standard Ni2+1 Ni electrode connected to a standard hydrogen electrode. For this cell the voltmeter reading is -0.23 V. What is the chemical equation for the cell reaction? Given: Standard reduction potential of the H+/H2 and Ni2+/Ni couples are 0.00 and -0.23 V, respectively. voltmeter saltbridge PLS) PAH2 (g) O Ni(s) + 2H+(aq) --> Ni2+(aq) + H2(g) O Ni2+(aq) + H2(g) --> Ni(s) + 2H+(aq)
For the reaction Ni2+(aq) + 2Fe2+(aq) ? Ni(s) + 2Fe3+(aq), the standard cell potential E°cell is
For the reaction Ni2+(aq) + 2Fe2+(aq) ? Ni(s) + 2Fe3+(aq), the standard cell potential E°cell is A. +2.81 V.B. +1.02 V.C. +0.52 V.D. -1.02 V.E. -2.81 V.Please show your steps, thank you :)
What is the standard cell potential of a cell created using a cadmium electrode in 0.45...
What is the standard cell potential of a cell created using a cadmium electrode in 0.45 M Cd(NO3)2(aq) and a graphite electrode in an aqueous solution that is 0.45 M in both Fe2+ and Fe3+? 0.38 V 1.95 V 1.94 V 1.17 V 1.18 V What is the standard cell potential of a cell which utilizes the following reaction: Zn (s) + Ni2+ (aq) → Ni (s) + Zn2+ (aq) All solutions are 1.0 M and the reaction occurs at...
The standard reduction potential of the Ag Ag electrode is +0.80 V and the standard potential...
The standard reduction potential of the Ag Ag electrode is +0.80 V and the standard potential of the cell Fe(s) Fe3+(aq) || Ag" (aq) Ag(s) is +0.84 V. What is the standard reduction potential of the Fe3+1Fe electrode? +1.64 V +0.04 V O-1.64v -0.04 v -0.12 V Question 10 (1 point) In the following cell, A is a standard Co2+1Co electrode connected to a standard hydrogen electrode. If the voltmeter reading is -0.28 V, which half-reaction occurs in the left-hand...
6. Consider a voltaic cell based on the following cell reaction: Ni(s) + At2(s) ? Ni2+(aq)...
6. Consider a voltaic cell based on the following cell reaction: Ni(s) + At2(s) ? Ni2+(aq) + 2At– (aq) Given that the standard cell emf is 0.55 V, what is the standard reduction potential for astatine? [E°(Ni2+/Ni) = –0.25 V]
A voltaic cell is constructed from an Ni2+ (aq) -Ni(s) half-cell and an Ag+ (aq)- Ag(s) half-cell. The initial concentration of Ni2+ (aq) in the Ni2+ - Ni half-cell is [Ni2+1 = 1.80x10-2 M. The initial cell voltage is +1.13 V. Part A By using data in Table 20.1 in the textbook, calculate the standard emf of this voltaic cell. V AEQ ? E V Submit Request Answer Part B. Will the concentration of Ni2+ (aq) increase or decrease as...
A voltaic cell is made from Ni(s), Ni2+(aq), Ag(s) and Ag+
a. Fill in the diagram with the chemicals associated with each
part of the cell.
b. Write a balanced cell reaction
A voltaic cell is made from Ni(s), Niz*(aq), Ag(s) and Ag 7. a. Fill in the diagram with the chemicals associated with each part of the cell. Ni2+ + 2 e-→ Ni(s) Ag+ + e-→ Ag(s) -0.25 0.80
Calculate the standard cell potential (∆Eo) for the
galvanic cell:
Ni (s) 1 Ni2+ (aq) II Ag+ (aq) 1 Ag (5) Given: E Half Reaction Ag+ (aq) +e- → Ag (s) Ni2+ (aq) + 2e- → Ni (s) 0.79 Volts -0.23 Volts
1. A voltaic cell is constructed from a Al/Al half-cell (E'red -1.66 V) and a Fe/Fe? half- cell (Ered-0.44V) Give the oxidation half reaction and E"ox, the reduction half reaction and E'red, and the overall reaction and E"cell: Oxidation: Reduction: red E cell Overall Reaction: 2. For the cell Fe(s) Fe2+ | Pb* | Pb), the standard cell potential is +0.31 V. A cell using these reagents was made, and the observed potential was +0.37 V at 25°C. A) What...
Question 4 A galvanic cell uses the reaction: 2Ag+(aq) + Ni(s) --> 2Ag(s) + Ni2+(aq) a) calculate the Standard Cell Potential (Ecell) of this galvanic cell and b) which metal is the cathode? a) 1.03 V; b) nickel a) 1.03 V; b) silver oooo a) 0.57 V; b) nickel a) 0.57V; b) silver
In the following cell, A is a standard Ni2+1 Ni electrode connected to a standard hydrogen electrode. For this cell the voltmeter reading is -0.23 V. What is the chemical equation for the cell reaction? Given: Standard reduction potential of the H+/H2 and Ni2+/Ni couples are 0.00 and -0.23 V, respectively. voltmeter saltbridge PLS) PAH2 (g) O Ni(s) + 2H+(aq) --> Ni2+(aq) + H2(g) O Ni2+(aq) + H2(g) --> Ni(s) + 2H+(aq)
What is the standard cell potential of a cell created using a cadmium electrode in 0.45 M Cd(NO3)2(aq) and a graphite electrode in an aqueous solution that is 0.45 M in both Fe2+ and Fe3+? 0.38 V 1.95 V 1.94 V 1.17 V 1.18 V What is the standard cell potential of a cell which utilizes the following reaction: Zn (s) + Ni2+ (aq) → Ni (s) + Zn2+ (aq) All solutions are 1.0 M and the reaction occurs at...
The standard reduction potential of the Ag Ag electrode is +0.80 V and the standard potential of the cell Fe(s) Fe3+(aq) || Ag" (aq) Ag(s) is +0.84 V. What is the standard reduction potential of the Fe3+1Fe electrode? +1.64 V +0.04 V O-1.64v -0.04 v -0.12 V Question 10 (1 point) In the following cell, A is a standard Co2+1Co electrode connected to a standard hydrogen electrode. If the voltmeter reading is -0.28 V, which half-reaction occurs in the left-hand...
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