Which is the correct line notation for the galvanic cell you constructed using a Pb2+ solution,...
Which is the correct line notation for the galvanic cell you constructed using a Pb2+ solution, a Pb electrode and a Saturated Calomel Electrode (SCE) as reference?
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Hg Ι Hg2Cl2(s) Ι KCl(sat) ΙΙ Pb2+(aq) Ι Pb |
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Pb2+(aq) Ι Pb ΙΙ KCl(sat) Ι Hg Ι Hg2Cl2(s) |
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Pb Ι Pb2+(aq) ΙΙ KCl(sat) Ι Hg2Cl2(s) Ι Hg |
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Hg Ι Pb2+(aq) ΙΙ KCl(sat) Ι Hg2Cl2(s) Ι Pb |
Which is the correct full oxidation/reduction equation for the copper/SCE galvanic cell that you investigated in Part C
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Cu(s) + 2 Hg(l) + 2 Cl-(aq) → Cu2+(aq) + Hg2Cl2(s) |
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Cu2+(aq) + 2 Hg(l) + 2 Cl-(aq) → Cu(s) + Hg2Cl2(s) |
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Cu(s) + Hg2Cl2(s) → Cu2+(aq) + 2 Hg(l) + 2 Cl-(aq) |
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Cu2+(aq) + Hg2Cl2(s) → Cu(s) + 2 Hg(l) + 2 Cl-(aq) |
Homework Answers
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Which is the correct line notation for the galvanic cell you
constructed using a Pb2+ solution,...
A voltaic electrochemical cell is constructed in which the anode is a Pb2+Pb half cell and...
A voltaic electrochemical cell is constructed in which the anode is a Pb2+Pb half cell and the cathode is a Cu2+, Cu+ half cell. The half-cell compartments are connected by a salt bridge. Write the anode reaction. ___+______---->_____ +______ Write the cathode reaction. ______+________---->______ +_____ Write the net cell reaction. _______+_______------>______ +_______ In the external circuit, electrons migrate_____(from or to) the Pb2+Pb electrode ______ (from or to) the Cu2+, Cu+ electrode. In the salt bridge, anions migrate______ (from or to)...
9) A galvanic cell Cr(s)|Cr2+(aq) || Pb2+(aq)|Pb(s) is constructed using a completely immersed Cr electrode that...
9) A galvanic cell Cr(s)|Cr2+(aq) || Pb2+(aq)|Pb(s) is constructed using a completely immersed Cr electrode that weighs 26.5 g and a Pb electrode immersed in 665 mL of 1.00 M Pb2+(aq) solution. A steady current of 0.0598 A is drawn from the cell as the electrons move from the Cr electrode to the Pb electrode. (a) Which reactant is the limiting reactant in this cell? ___ (b) How long does it take for the cell to be completely discharged? ___...
A galvanic cell Crs)Cr2(aq) || Pb2*(a)|Pb( is constructed using a completely immersed Cr electrode that weighs...
A galvanic cell Crs)Cr2(aq) || Pb2*(a)|Pb( is constructed using a completely immersed Cr electrode that weighs 25.0 g and a Pb electrode immersed in 632 mL of 1.00 M Pb*(aq) solution. A steady current of 0.0719 A is drawn from the cell as the electrons move from the Cr electrode to the Pb electrode. (a) Which reactant is the limiting reactant in this cell? Enter symbol (b) How long does it take for the cell to be completely discharged? (c)...
11. If the galvanic cell below is constructed with a Pb/Pb2-electrode and a Fe/Fe2+ electrode. determine...
11. If the galvanic cell below is constructed with a Pb/Pb2-electrode and a Fe/Fe2+ electrode. determine which electrode will be the cathode and which electrode will be the anode. Write each half cell reaction and the overall cell reaction. Oxidation: Reduction: Overall: Label the cell below with the following: a. the location of each substance (Pb, Pb2+, Fe, Fe2+) b. the cathode and anode C. the direction of electron flow d. If the salt bridge contains KCI, label the direction...
4. Consider a Galvanic cell constructed from the following half cells, linked by an external circuit...
4. Consider a Galvanic cell constructed from the following half cells, linked by an external circuit and by a KCl salt bridge. - an Al(s) electrode in 1.0 M AI(NO3)3 solution - a Pb(s) electrode in 1.0 M Pb(NO3)2 solution The balanced overall (net) cell reaction is 5. Calculate the value of Eºcell for the following reaction: 2Au(s) + 3 Ca2+(aq) → AU3+ (aq) + 3 Ca(s) 6. Determine the equilibrium constant, Keq, at 25°C for the reaction 2Br (aq)...
For each set of materials below: i.Write the cell notation (line notation)for a galvanic cell and...
For each set of materials below:
i.Write the cell notation (line notation)for a galvanic cell
and
ii.Calculate the standard cell potential
a. Pb(s), Zn(s), Pb2+(aq),Zn2+(aq)
b. Ag(s), Fe(s), Ag+(aq),Fe2+(aq)
c. Mg(s), Zn(s), Mg2+(aq),Zn2+(aq)
d. Fe(s), Mg(s), Fe2+(aq), Mg2+(aq
e. Ag(s), Pb(s), Pb2+(aq), Ag+(aq)
2. For each set of materials below: Write the cell notation (line notation) for a galvanic cell and Calculate the standard cell potential ii. a. Pb (). Zn (3), Pb2+(aq), Zn2+ (aq) 6. Ag (3), Fe (3),...
A standard galvanic cell is constructed in which a Cu2+ Cut half cell acts as the...
A standard galvanic cell is constructed in which a Cu2+ Cut half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The anode compartment could be Hg? Hg. As the cell runs, anions will migrate from the Cu²+ Cu" compartment to the other compartment Cut is oxidized at the cathode. In the external circuit, electrons flow from the Cu2+Cut compartment to the other compartment...
A galvanic cell Cr(s)|Cr2+(aq) || Cu2+(aq)|Cu(s) is constructed using a completely immersed Cr electrode that weighs 35.4 g and a Cu electrode immersed in 462 mL of 1.00 M Cu2+(aq) solution. A steady...
A galvanic cell Cr(s)|Cr2+(aq) || Cu2+(aq)|Cu(s) is constructed using a completely immersed Cr electrode that weighs 35.4 g and a Cu electrode immersed in 462 mL of 1.00 M Cu2+(aq) solution. A steady current of 0.0795 A is drawn from the cell as the electrons move from the Cr electrode to the Cu electrode. (a) Which reactant is the limiting reactant in this cell? Enter symbol (b) How long does it take for the cell to be completely discharged? s...
please answer all wueston Question 33 (3 points) (33) For a galvanic cell notation: (-) Ni...
please answer all wueston
Question 33 (3 points) (33) For a galvanic cell notation: (-) Ni /Ni2+ (aq) // Au3+ (aq) / Au (+), The electrode potentials: Eº (Ni2+/ Ni) = -0.257 V, E ° (AU3+ / Au ) = 1.498 V. The cell potential Eºcell (a) 1.241 V (b) - 1.755 V O (0) 1.755 V (d) 1.498 Why Question 35 (3 points) (35) For galvanic cell: (-) Cr/ Cr3+ (aq) / Cu2+ (aq) / Cu(+), the correct half...
What is the standard electrode potential for a galvanic cell constructed in the appropriate way from...
What is the standard electrode potential for a galvanic cell constructed in the appropriate way from these two nan-cers Reduction Half-Reactions Cu2(aq) + 2e- Cu(s) AP ) 3e- A ) Ecel +0.34 V -1.66V +4.34V +2.00 V 200V 112V
A galvanic cell Crs)Cr2(aq) || Pb2*(a)|Pb( is constructed using a completely immersed Cr electrode that weighs 25.0 g and a Pb electrode immersed in 632 mL of 1.00 M Pb*(aq) solution. A steady current of 0.0719 A is drawn from the cell as the electrons move from the Cr electrode to the Pb electrode. (a) Which reactant is the limiting reactant in this cell? Enter symbol (b) How long does it take for the cell to be completely discharged? (c)...
11. If the galvanic cell below is constructed with a Pb/Pb2-electrode and a Fe/Fe2+ electrode. determine which electrode will be the cathode and which electrode will be the anode. Write each half cell reaction and the overall cell reaction. Oxidation: Reduction: Overall: Label the cell below with the following: a. the location of each substance (Pb, Pb2+, Fe, Fe2+) b. the cathode and anode C. the direction of electron flow d. If the salt bridge contains KCI, label the direction...
4. Consider a Galvanic cell constructed from the following half cells, linked by an external circuit and by a KCl salt bridge. - an Al(s) electrode in 1.0 M AI(NO3)3 solution - a Pb(s) electrode in 1.0 M Pb(NO3)2 solution The balanced overall (net) cell reaction is 5. Calculate the value of Eºcell for the following reaction: 2Au(s) + 3 Ca2+(aq) → AU3+ (aq) + 3 Ca(s) 6. Determine the equilibrium constant, Keq, at 25°C for the reaction 2Br (aq)...
For each set of materials below:
i.Write the cell notation (line notation)for a galvanic cell
and
ii.Calculate the standard cell potential
a. Pb(s), Zn(s), Pb2+(aq),Zn2+(aq)
b. Ag(s), Fe(s), Ag+(aq),Fe2+(aq)
c. Mg(s), Zn(s), Mg2+(aq),Zn2+(aq)
d. Fe(s), Mg(s), Fe2+(aq), Mg2+(aq
e. Ag(s), Pb(s), Pb2+(aq), Ag+(aq)
2. For each set of materials below: Write the cell notation (line notation) for a galvanic cell and Calculate the standard cell potential ii. a. Pb (). Zn (3), Pb2+(aq), Zn2+ (aq) 6. Ag (3), Fe (3),...
A standard galvanic cell is constructed in which a Cu2+ Cut half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The anode compartment could be Hg? Hg. As the cell runs, anions will migrate from the Cu²+ Cu" compartment to the other compartment Cut is oxidized at the cathode. In the external circuit, electrons flow from the Cu2+Cut compartment to the other compartment...
please answer all wueston
Question 33 (3 points) (33) For a galvanic cell notation: (-) Ni /Ni2+ (aq) // Au3+ (aq) / Au (+), The electrode potentials: Eº (Ni2+/ Ni) = -0.257 V, E ° (AU3+ / Au ) = 1.498 V. The cell potential Eºcell (a) 1.241 V (b) - 1.755 V O (0) 1.755 V (d) 1.498 Why Question 35 (3 points) (35) For galvanic cell: (-) Cr/ Cr3+ (aq) / Cu2+ (aq) / Cu(+), the correct half...
What is the standard electrode potential for a galvanic cell constructed in the appropriate way from these two nan-cers Reduction Half-Reactions Cu2(aq) + 2e- Cu(s) AP ) 3e- A ) Ecel +0.34 V -1.66V +4.34V +2.00 V 200V 112V
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