A Galvanic cell is built using Ni(s) and Au3+. Knowing that the standard potential for the cell is E ° = 1.75 V, calculate ∆G° for the cell.
(F = 96.500 kJ/Vmol)
Au3+ + 3e- --> Au(s) E°=1.50 V
Ni2+ + 2e- --> Ni(s) E°=-0.25 V
A Galvanic cell is built using Ni(s) and Au3+. Knowing that the standard potential for the...
A galvanic cell is based on the following half reactions E° (V) Au3+ + 3e- → Au 1.50 Mg2+ + 2e- → Mg -2.37 Calculate the standard potential for this cell. V This cell is set up at 25°C with [Mg2+] = 1.00 × 10-5M. The cell potential is observed to be 4.02 V. Calculate the [Au3+] that must be present. (Enter your answer to three significant figures.) [Au3+] = ?M
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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...
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
Calculate the cell potential for the galvanic cell in which the reaction Fe(s)+Au3+(aq)−⇀↽− Fe3+(aq)+Au(s) occurs at 25 ∘C , given that [Fe3+]=0.00150 M and [Au3+]=0.795 M . Refer to the table of standard reduction potentials. E= V
A Pb(s)|Pb2 (aq)||Au3 (aq)|Au(s) galvanic cell has a standard cell potential of 1.628 V. Calculate the Gibbs free energy change at 25 °C when 2.56 g of gold is deposited. Assume the concentrations in the cell remain at the standard state values of 1 M through the entire deposition process.
Knowing that the standard reduction potential, E half-cell is +0.34V of the Cu'jCu(s) (or knowing that the standard oxidation potential, Eoo of the Cu(s)]Cu* or knowing that the standard oxidation potential, E )u half-cell is -0.34 V), what is the potential of the nickel half-cell? Is this Ed or E hat is the potential of the nickel half-cell? Is this E, or E. red 8. What is the standard reduction potential (SRP, Eond) of the Ni2 |Ni(s) halfcell? What is...
A galvanic cell using Ni2+(aq) / Ni(s) half-cell and Hg22+(aq) / Hg(l) half-cell is prepared. The E°nickel = -0.25 V and E°mercury = 0.789 V. (blank 1) Write the balanced reaction that occurs at the anode. (blank 2) Write the balanced reaction that occurs at the cathode. (blank 3) Calculate the standard cell potential of this galvanic cell. (blank 4) Write the shorthand cell notation for the galvanic cell. Question 10 options: Blank # 1 Blank # 2 Blank #...
Calculate the cell potential for the galvanic cell in which the given reaction occurs at 25°C, given that [Ni2+] = 0.00100 M and [Au?+] = 0.781 M. Standard reduction potentials can be found in this table. 3 Ni(s) + 2 Au?+ (aq) =3 Ni2+ (aq) + 2 Au(s) E = V
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Question 35 (3 points) (35) For galvanic cell: (-) Cr/ Cr3+ (aq) // Cu2+ (aq) / Cu (+), the correct half reactions are 0 (a) Cr3+ (a) Cr3+ + 3e → Crat (-) electrode; Cu+ 2e → Cu2+ at (+) electrode (b) Cr - 3e → Cr3+ at (-) electrode; Cu2+ + 2e → 2 Cu at (+) electrode Occ) cr (c) Cr + 3e → Cr3+ at (-) electrode; Cu2+ - 2e → Cu...
can you answer questions 7,8,9,10
Question 7 (10 points) ✓ Saved (7) For a galvanic cell notation: (-) Mg/Mg2+ (aq) // Cu2+ (aq) / Cu (+). which of the following is fully correct? (a) Mg2+ is oxidized to Mg, and Cu2+ (aq) is reduced to Cu O (b) Mg2+ is reduced to Mg, and Cu2+ (aq) is oxidized to Cu (c) Mg is oxidized to Mg2+, and Cu²+ (aq) is reduced to Cu (d) Mg is reduced to Mg2+, and...