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10. Consider the standard potential data shown below. va* + 2e-Ⓡ v E' =-1.18 V Cu...
Using the following standard reduction potentials Fe3+(aq) + e- → Fe2+(aq) E° = +0.77 V Pb2+(aq)...
Using the following standard reduction potentials Fe3+(aq) + e- → Fe2+(aq) E° = +0.77 V Pb2+(aq) + 2 e- → Pb(s) E° = -0.13 V calculate the standard cell potential for the galvanic cell reaction given below, and determine whether or not this reaction is spontaneous under standard conditions. Pb2+(aq) + 2 Fe2+(aq) → 2 Fe3+(aq) + Pb(s) Group of answer choices E° = -0.90 V, spontaneous E° = -0.90 V, nonspontaneous E° = +0.90 V, nonspontaneous E° = +0.90...
12. Use the data in problem 11 to calculate the standard free energy, DGº, for the...
12. Use the data in problem 11 to calculate the standard free energy, DGº, for the reaction below. cell celi Mg(s) + Pb3* (aq) ® Mg?* (aq) + Pb(s) DG = -217000 J = - 243000 = - 434000 DG = +243000 J (6) DG (c) DG cell cell 13. Obtain the equilibrium constant Ke at 25°C from the free-energy change for the reaction Fe(s) + Cult (94) Feuq) + Cut)
1. Some standard reduction potentials at 25 C are: E 0.337 V for Cu* (a) 2e- Cu(s) E" =-0.1 26 V ...
1. Some standard reduction potentials at 25 C are: E 0.337 V for Cu* (a) 2e- Cu(s) E" =-0.1 26 V for Phẩ (aq) + 2e → Pb(s) Eo-0.763 V for Zn2 (a)2e-> Zn(s) Predict the voltage of each of the following voltaic cells: a. Cu | Cu0.010 M)I Cu (0.010M) | Cu c. Zn | Zn2 (0010 M) Cu(0.010 M) | Cu b. Pb | Pb (0.010 M)1 Cu (0.010 MCud. Zn | Zn3 (0.010 M) 11 Pb (0.010...
Selective Reduction The standard reduction potential for the half-reaction: Sn4+ + 2e - Sn2+ is +0.15...
Selective Reduction The standard reduction potential for the half-reaction: Sn4+ + 2e - Sn2+ is +0.15 V. Consider data from the table of standard reduction potentials for common half-reactions, in your text. For a galvanic cell under standard conditions, which of the following anodic half reactions would produce, at the cathode a spontaneous reduction of Sn4+ to Sn2+ but not Sn2+ to Sn. no yes yes yes yes yes Fe — Fe2+ + 2e- Sn2+ Sn4+ + 2e- Sn Sn2+...
Data Analysis Questions Q1. Complete Table 8.2 below. Using a standard half-cell potential of 0.34 V...
Data Analysis Questions Q1. Complete Table 8.2 below. Using a standard half-cell potential of 0.34 V for Cu2*/Cu, calculate the experimental reduction potentials for Mg, Pb, Sn, and Zn half-cells. Obtain standard reduction potentials from a suitable reference source. Show all of your work below and RANK the metals in terms of oxidizing and reducing ability according to the experimental half-cell potentials. (3.0) Table 8.2 Half-cell reduction reaction (include phase labels) Calculated E (v) Literature E (V) Culaq) + 2e...
Use the half-reactions below to produce a voltaic cell with the given standard cell potential. Standard...
Use the half-reactions below to produce a voltaic cell with the given standard cell potential. Standard Cell Potential Co- (aq) + e-Cot (aq) E = +1.82 V 1.53 V 2H(aq) + 2e-H2(g) E = +0.00 V Pb2+ (aq) + 2e-Pb(s) E = -0.13 V Fe (aq) + e-Fel+ (aq) E = +0.77 V Ag (aq) + e-Ag(s) E = +0.80 V Sn* (aq) + 2e Sne (aq) 20.13 V Cu- (aq) + e- Cu(aq) E = +0.15 V Zn²+ (aq)...
Using the following standard reduction potentials: Fe3+ (aq) + e. → Fe2+ (aq) Eo = +0.77...
Using the following standard reduction potentials: Fe3+ (aq) + e. → Fe2+ (aq) Eo = +0.77 V Pb2+ (aq) + 2 e. → Pb(s) E。--0.13 V Calculate the standard cell potential for the galvanie cell reaction given below, and determine whether or not this reaction is spostaneous under standard conditions. Pb2+ (aq) + 2 Fe2+ (aq) → 2 Fe3+ (aq) + Pb(s) ⓔ A. E.-0.90 V, nonspontaneous OB. E-0.90 V, spontaneous C. Eo +0.90 V, nonspontaneous OD0.90 V, spontaneous
e) 20 g 4. Referring to the table of Standard Cell Potentials below, determine the standard...
e) 20 g 4. Referring to the table of Standard Cell Potentials below, determine the standard cell potential for the following reaction: Pb2+(aq) + 2 Cl(aq) ---> Pb(s) + Cl2 E° -0.126 +1.360 Pb2+ (aq) + 2e ---> Pb (s) Cl2 + 2e- ---> 2 cl-(aq) a) +1.486 b) +1.468 c) +1.234 d) -1.234 e) -1.486
53-54 53) The standard cell potential (E®cell) of the reaction below is -0.55 V. The value...
53-54
53) The standard cell potential (E®cell) of the reaction below is -0.55 V. The value of AGº for the reaction is J/mol. 12 (s) + 2Br- (aq) → 21- (aq) + Br2 (1) A) 0.55 B) 5.5 x 10-6 C) 1.1 x 105 D) 0.54 E) none of the above 54) The standard cell potential (Eºcell) of the reaction below is +1.34 V. The value of AGº for the reaction is kJ/mol 3 Cu (s) + 2 MnO4- (aq)...
use tabulated standard electrode potential to calculate the standard cell potential for the reaction occurring in an el...
use tabulated standard electrode potential to calculate the
standard cell potential for the reaction occurring in an
electrochemical cell at 25 C. (The equation is balanced.)
3Ni^2+(aq)+2Cr(s)--->3Ni(s)2Cr^3+(aq)
Express your answer to two significant figures and include the
appropriate units.
em 26 E (V) -0.45 -0.50 -0.73 -0.76 -1.18 Standard reduction half-cell potentials at 25°C Half-reaction E° (V) Half-reaction Aul+ (aq) + 3e +Au(s) 1.50 Fe2+ (aq) + 2eFe(s) Ag+ (aq) +e-Ag(s) 0.80 Cr3+ (aq) + Cr²+ (aq) Fe+(aq) + 3e...
12. Use the data in problem 11 to calculate the standard free energy, DGº, for the reaction below. cell celi Mg(s) + Pb3* (aq) ® Mg?* (aq) + Pb(s) DG = -217000 J = - 243000 = - 434000 DG = +243000 J (6) DG (c) DG cell cell 13. Obtain the equilibrium constant Ke at 25°C from the free-energy change for the reaction Fe(s) + Cult (94) Feuq) + Cut)
1. Some standard reduction potentials at 25 C are: E 0.337 V for Cu* (a) 2e- Cu(s) E" =-0.1 26 V for Phẩ (aq) + 2e → Pb(s) Eo-0.763 V for Zn2 (a)2e-> Zn(s) Predict the voltage of each of the following voltaic cells: a. Cu | Cu0.010 M)I Cu (0.010M) | Cu c. Zn | Zn2 (0010 M) Cu(0.010 M) | Cu b. Pb | Pb (0.010 M)1 Cu (0.010 MCud. Zn | Zn3 (0.010 M) 11 Pb (0.010...
Selective Reduction The standard reduction potential for the half-reaction: Sn4+ + 2e - Sn2+ is +0.15 V. Consider data from the table of standard reduction potentials for common half-reactions, in your text. For a galvanic cell under standard conditions, which of the following anodic half reactions would produce, at the cathode a spontaneous reduction of Sn4+ to Sn2+ but not Sn2+ to Sn. no yes yes yes yes yes Fe — Fe2+ + 2e- Sn2+ Sn4+ + 2e- Sn Sn2+...
Data Analysis Questions Q1. Complete Table 8.2 below. Using a standard half-cell potential of 0.34 V for Cu2*/Cu, calculate the experimental reduction potentials for Mg, Pb, Sn, and Zn half-cells. Obtain standard reduction potentials from a suitable reference source. Show all of your work below and RANK the metals in terms of oxidizing and reducing ability according to the experimental half-cell potentials. (3.0) Table 8.2 Half-cell reduction reaction (include phase labels) Calculated E (v) Literature E (V) Culaq) + 2e...
Use the half-reactions below to produce a voltaic cell with the given standard cell potential. Standard Cell Potential Co- (aq) + e-Cot (aq) E = +1.82 V 1.53 V 2H(aq) + 2e-H2(g) E = +0.00 V Pb2+ (aq) + 2e-Pb(s) E = -0.13 V Fe (aq) + e-Fel+ (aq) E = +0.77 V Ag (aq) + e-Ag(s) E = +0.80 V Sn* (aq) + 2e Sne (aq) 20.13 V Cu- (aq) + e- Cu(aq) E = +0.15 V Zn²+ (aq)...
Using the following standard reduction potentials: Fe3+ (aq) + e. → Fe2+ (aq) Eo = +0.77 V Pb2+ (aq) + 2 e. → Pb(s) E。--0.13 V Calculate the standard cell potential for the galvanie cell reaction given below, and determine whether or not this reaction is spostaneous under standard conditions. Pb2+ (aq) + 2 Fe2+ (aq) → 2 Fe3+ (aq) + Pb(s) ⓔ A. E.-0.90 V, nonspontaneous OB. E-0.90 V, spontaneous C. Eo +0.90 V, nonspontaneous OD0.90 V, spontaneous
e) 20 g 4. Referring to the table of Standard Cell Potentials below, determine the standard cell potential for the following reaction: Pb2+(aq) + 2 Cl(aq) ---> Pb(s) + Cl2 E° -0.126 +1.360 Pb2+ (aq) + 2e ---> Pb (s) Cl2 + 2e- ---> 2 cl-(aq) a) +1.486 b) +1.468 c) +1.234 d) -1.234 e) -1.486
53-54
53) The standard cell potential (E®cell) of the reaction below is -0.55 V. The value of AGº for the reaction is J/mol. 12 (s) + 2Br- (aq) → 21- (aq) + Br2 (1) A) 0.55 B) 5.5 x 10-6 C) 1.1 x 105 D) 0.54 E) none of the above 54) The standard cell potential (Eºcell) of the reaction below is +1.34 V. The value of AGº for the reaction is kJ/mol 3 Cu (s) + 2 MnO4- (aq)...
use tabulated standard electrode potential to calculate the
standard cell potential for the reaction occurring in an
electrochemical cell at 25 C. (The equation is balanced.)
3Ni^2+(aq)+2Cr(s)--->3Ni(s)2Cr^3+(aq)
Express your answer to two significant figures and include the
appropriate units.
em 26 E (V) -0.45 -0.50 -0.73 -0.76 -1.18 Standard reduction half-cell potentials at 25°C Half-reaction E° (V) Half-reaction Aul+ (aq) + 3e +Au(s) 1.50 Fe2+ (aq) + 2eFe(s) Ag+ (aq) +e-Ag(s) 0.80 Cr3+ (aq) + Cr²+ (aq) Fe+(aq) + 3e...
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