Homework Answers
![oxidation ce + 3 lety 4ce t3 reduction - Ecetul cet3 Ecet ce = - 20340 - 1.760 Eceu co Cogo = - NF E cell] Ogoso disproportio](http://img.homeworklib.com/questions/2ceb3b70-73d3-11ea-ad80-a3604a8458a6.png?x-oss-process=image/resize,w_560)
![o ago = RT INK = nF E cell Ink a -nf Ece [+= 25° C = 290k ] RT - 0.3 - - 3 x 9 6485.332 x 8.314 X 298 a. Ink = 350 04915 -35.](http://img.homeworklib.com/questions/2db3caa0-73d3-11ea-9689-652e28969bbe.png?x-oss-process=image/resize,w_560)
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A Cacat Pb2+ Pb galvanic cell is constructed in which the standard cell voltage is 0.277...
In a galvanic cell, one half-cell consists of a lead strip dipped into a 1.00 M...
In a galvanic cell, one half-cell consists of a lead strip dipped into a 1.00 M solution of Pb(NO). In the second half-cell, solid germanium is in contact with a 1.00 M solution of Ge(NO), Ge is observed to plate out as the galvanic cell operates, and the initial cell voltage is measured to be 0.250 V at 25°C. (a) Write balanced equations for the half-reactions at the anode and the cathode. Show electrons as e'. Use the smallest integer...
A Mn|Mn2+ || Pb2+|Pb galvanic cell is constructed in which the standard cell voltage is 1.05...
A Mn|Mn2+ || Pb2+|Pb galvanic cell is constructed in which the standard cell voltage is 1.05 V. Calculate the free energy change at 25°C when 0.586 g of Pb plates out, if all concentrations remain at their standard value of 1 M throughout the process. What is the maximum amount of work that could be done by the cell on its surroundings during this experiment? ΔG° = ______J Maximum work =______ J
A AIA+Pb Pb galvanic cell is constructed in which the standard cell voltage is 1.53 V. Calculare ...
A AIA+Pb Pb galvanic cell is constructed in which the standard cell voltage is 1.53 V. Calculare the free cnergy change at 25°C when 0.881 g of Pb plates out, if all concentrations remain at their standard value of 1 M throughout the process. What is the maximum amount of work that could be done by the cell on its suroundings during this experiment? Maximm work-
A AIA+Pb Pb galvanic cell is constructed in which the standard cell voltage is...
Separate galvanic cells are made from the following half-cells: cell 1: H+(aq)/H2(g) and Pb2+(aq)/Pb(s) cell 2:...
Separate galvanic cells are made from the following half-cells: cell 1: H+(aq)/H2(g) and Pb2+(aq)/Pb(s) cell 2: Fe2+(aq)/Fe(s) and Zn2+(aq)/Zn(s) Which of the following is correct for the working cells? Standard reduction potentials, 298 K, Aqueous Solution (pH = 0): Cl2(g) + 2e --> 2C1-(aq); E° = +1.36 V Fe3+(aq) + e --> Fe2+(aq); E° = +0.77 V Cu2+(aq) + 2e --> Cu(s); E° = +0.34 V 2H+(aq) + 2e --> H2(g); E° = 0.00 V Pb2+(aq) + 2e --> Pb(s);...
In the following cell, A is a standard Pb2+|Pb electrode connected to a standard hydrogen electrode....
In the following cell, A is a standard Pb2+|Pb electrode connected to a standard hydrogen electrode. For this cell the voltmeter reading is -0.13 V. What is the chemical equation for the cell reaction? Given: Standard reduction potential of the H+/H2 and Pb2+/Pb couples are 0.00 and -0.13 V, respectively. voltmeter saltbridge 1+ Pl(s) LPH2 (g) O Pb2+(aq) + H2(g) --> Pb(s) + 2H+(aq) O Pb(s) + 2H+(aq) --> Pb2+(aq) + H2(g)
1. A voltaic cell is constructed that is based on the following reaction: Sn2+(aq)+Pb(s)→Sn(s)+Pb2+(aq). A. If...
1. A voltaic cell is constructed that is based on the following reaction: Sn2+(aq)+Pb(s)→Sn(s)+Pb2+(aq). A. If the concentration of Sn2+ in the cathode compartment is 1.30 M and the cell generates an emf of 0.25 V , what is the concentration of Pb2+ in the anode compartment? B. If the anode compartment contains [SO2−4]= 1.30 M in equilibrium with PbSO4(s), what is the Ksp of PbSO4? 2. A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). A. What is the emf...
Standard Reduction Potentials at 25 c Half-reaction E°(volts) U4+ + e- ---> U3+ -0.607 U3+ + 3e-...
Standard Reduction Potentials at 25 c Half-reaction E°(volts) U4+ + e- ---> U3+ -0.607 U3+ + 3e- --->U -1.798 U4+ + 4e- --->U -1.500 In a disproportionation reaction, the same species is oxidized and reduced. Use the data given above to analyze the disproportionation reaction: 4U3+ --->U + 3U4+ Will U3+ disproportionate in aqueous solution? To justify your answer, what is the standard cell voltage for the disproportionation reaction?____ V
1. A galvanic cell was composed from the following redox chemistry: Li electrode in a 1M LiCl electrolyte solution, Pb electrode in a IM Pb(NOsh electrolyte solution. The standard half-cell reduction...
1. A galvanic cell was composed from the following redox chemistry: Li electrode in a 1M LiCl electrolyte solution, Pb electrode in a IM Pb(NOsh electrolyte solution. The standard half-cell reduction potentials are given below: Volts 3.05 0.13 Li+(aq) Li(s) 1e + → Write a balanced chemical equation representing the redox chemistry for this galvanic cell. Remember the reaction needs to be spontaneous. a.
1. A galvanic cell was composed from the following redox chemistry: Li electrode in a 1M...
6. Consider the following galvanic cell and standard reduction potentials: Ag Pb E° = 0.80 V salt bridge Ag+ (aq) + e →...
6. Consider the following galvanic cell and standard reduction potentials: Ag Pb E° = 0.80 V salt bridge Ag+ (aq) + e → Ag(s) Pb2+(aq) + 2e → Pb(s) E° = -0.13 V 1 M Ag+ 1 M Pb2+ Which one of the following statements is TRUE? a) The cell on the left containing Ag+(aq) is the anode. b) The initial reading on the voltmeter would be 0.67 V. c) Oxidation occurs in the cell on the right containing Pb²+(aq)....
Standard reduction potentials for the Zn2+/Zn and Pb2+/Pb couples are -0.76 and - 0.13 V, respectively....
Standard reduction potentials for the Zn2+/Zn and Pb2+/Pb couples are -0.76 and - 0.13 V, respectively. The galvanic cell below uses the half-cells Pb2+ Pb and Zn2+|Zn, and a salt bridge containing KCl(aq). The voltmeter gives a positive voltage reading. voltmeter salt bridge CD- <-CD-RB B The electrode B could be inert platinum metal or lead metal. O True O False
In a galvanic cell, one half-cell consists of a lead strip dipped into a 1.00 M solution of Pb(NO). In the second half-cell, solid germanium is in contact with a 1.00 M solution of Ge(NO), Ge is observed to plate out as the galvanic cell operates, and the initial cell voltage is measured to be 0.250 V at 25°C. (a) Write balanced equations for the half-reactions at the anode and the cathode. Show electrons as e'. Use the smallest integer...
A AIA+Pb Pb galvanic cell is constructed in which the standard cell voltage is 1.53 V. Calculare the free cnergy change at 25°C when 0.881 g of Pb plates out, if all concentrations remain at their standard value of 1 M throughout the process. What is the maximum amount of work that could be done by the cell on its suroundings during this experiment? Maximm work-
A AIA+Pb Pb galvanic cell is constructed in which the standard cell voltage is...
Separate galvanic cells are made from the following half-cells: cell 1: H+(aq)/H2(g) and Pb2+(aq)/Pb(s) cell 2: Fe2+(aq)/Fe(s) and Zn2+(aq)/Zn(s) Which of the following is correct for the working cells? Standard reduction potentials, 298 K, Aqueous Solution (pH = 0): Cl2(g) + 2e --> 2C1-(aq); E° = +1.36 V Fe3+(aq) + e --> Fe2+(aq); E° = +0.77 V Cu2+(aq) + 2e --> Cu(s); E° = +0.34 V 2H+(aq) + 2e --> H2(g); E° = 0.00 V Pb2+(aq) + 2e --> Pb(s);...
In the following cell, A is a standard Pb2+|Pb electrode connected to a standard hydrogen electrode. For this cell the voltmeter reading is -0.13 V. What is the chemical equation for the cell reaction? Given: Standard reduction potential of the H+/H2 and Pb2+/Pb couples are 0.00 and -0.13 V, respectively. voltmeter saltbridge 1+ Pl(s) LPH2 (g) O Pb2+(aq) + H2(g) --> Pb(s) + 2H+(aq) O Pb(s) + 2H+(aq) --> Pb2+(aq) + H2(g)
1. A galvanic cell was composed from the following redox chemistry: Li electrode in a 1M LiCl electrolyte solution, Pb electrode in a IM Pb(NOsh electrolyte solution. The standard half-cell reduction potentials are given below: Volts 3.05 0.13 Li+(aq) Li(s) 1e + → Write a balanced chemical equation representing the redox chemistry for this galvanic cell. Remember the reaction needs to be spontaneous. a.
1. A galvanic cell was composed from the following redox chemistry: Li electrode in a 1M...
6. Consider the following galvanic cell and standard reduction potentials: Ag Pb E° = 0.80 V salt bridge Ag+ (aq) + e → Ag(s) Pb2+(aq) + 2e → Pb(s) E° = -0.13 V 1 M Ag+ 1 M Pb2+ Which one of the following statements is TRUE? a) The cell on the left containing Ag+(aq) is the anode. b) The initial reading on the voltmeter would be 0.67 V. c) Oxidation occurs in the cell on the right containing Pb²+(aq)....
Standard reduction potentials for the Zn2+/Zn and Pb2+/Pb couples are -0.76 and - 0.13 V, respectively. The galvanic cell below uses the half-cells Pb2+ Pb and Zn2+|Zn, and a salt bridge containing KCl(aq). The voltmeter gives a positive voltage reading. voltmeter salt bridge CD- <-CD-RB B The electrode B could be inert platinum metal or lead metal. O True O False
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