Consider the following reaction:
2 Ag+(aq) + Cu(s)->2 Ag(s) + Cu2+(aq) Ecell^o = +0.46V
Suppose an external power source is applied with a current of
1.50 A such that the reaction is reversed and electrolysis occurs.
(a) If the current is applied for 2.00 hours, how many grams of
Cu(s) could be recovered? What is the minimum mass of the
silver electrode required to recover this mass of copper?
(b) What is the minimum amount of work that must be done to recover this mass of copper?


Consider the following reaction: 2 Ag+(aq) + Cu(s)->2 Ag(s) + Cu2+(aq) Ecell^o = +0.46V Suppose an external power source is applied with a current of 1.50 A such that the reaction is reversed and e...
Calculate the E°cell for the following reaction: Cu2+ (aq) + Ni (s) → Cu (s) + Ni2+ (aq) A) (-0.59 ± 0.01) V B) (-0.09 ± 0.01) V C) (0.59 ± 0.01) V D) (0.09 ± 0.01) V --------------------------------------------------------------------------------------------------------- What is the proper line notation for the following reaction? Cu (s) + 2Ag+ (aq) → Cu2+ (aq) + 2Ag (s) A) Cu2+ | Cu || Ag | Ag+ B) Ag+ | Ag || Cu | Cu2+ C) Cu |...
Given the following electrolytic cell:
The current is discharged into the electrolytic cell containing
the solution CuSO4(aq) 1.0M at 25 oC. During
the operation of the cell, copper Cu(s) is deposited on
one electrode and oxygen O2(g) gas is released, near the
second electrode.
O2(g) + 4H3O+(aq) +
4e-
6H2O(l) Eo= 1.23V
Cu2+(aq) + 2e- Cu(s)
Eo= 0.34V
A. Write the direction of the flow of electrons in the
cell.
B. Write the electrolysis equation that occurs in the cell....
Calculate the E°cell for the following reaction: Cu2+ (aq) + Ni (s) → Cu (s) + Ni2+ (aq) A) (-0.59 ± 0.01) V B) (-0.09 ± 0.01) V C) (0.59 ± 0.01) V D) (0.09 ± 0.01) V --------------------------------------------------------------------------------------------------------- What is the proper line notation for the following reaction? Cu (s) + 2Ag+ (aq) → Cu2+ (aq) + 2Ag (s) A) Cu2+ | Cu || Ag | Ag+ B) Ag+ | Ag || Cu | Cu2+ C) Cu |...
1- Consider the following redox reaction: Fe(s) + Cu2+(aq) --> Fe2+(aq) + Cu(s) EoCell = 0.78 V If [Cu2+] = 0.3 M, what [Fe2+] is needed so that Ecell = 0.76 V 2- Calculate the Eocell for the following redox reaction: Cu(s) + 2Ag+(aq) --> Cu2+(aq) + 2Ag(s)
Consider the reaction 2 Ag(s) + Cu2+ (aq) =2 Ag2+ (aq) + Cu(s). Write the equilibrium constant expression and indicate if the equilibrium is homogeneous or heterogeneous. Kc = le* heterogeneous Arcu. homogeneous окс = Taal (Cu2+] Kc = A c heterogeneous [Act (Cu2+1' Kc - AC Cut homogeneous
Copper can be electroplated at the cathode of an electrolysis cell by the half-reaction: Cu2+(aq)+2e−→Cu(s) How much time would it take for 348 mgmg of copper to be plated at a current of 6.3 AA?
Please show as much work as possible.
Page 2 8. Indicate what reaction occurs at each electrode during electrolysis (i) Cul2(aq) (ii) MgF2(aq) (ii) CdCl21) (molten salt) 9. A current of 2.50 A is passed through a solution of Cu(NO3)2 for 2.00 hr. What mass of copper is deposited at the cathode?
Page 2 8. Indicate what reaction occurs at each electrode during electrolysis (i) Cul2(aq) (ii) MgF2(aq) (ii) CdCl21) (molten salt) 9. A current of 2.50 A is passed...
Consider the following reaction at 25 °C; Cu2+ (aq) + Fe (s) → Cu (s) + Fe2+ (aq); E0cell = 0.78 V (25 °C) What would be the value of Ecell at 25 °C, if [Fe2+] = 0.40 M and [Cu2+] = 0.040 M.
Question 2 Consider a galvanic cell with the following cell notation: Cu(s)|Cu2+(0.0200 M) || Ag+ (0.0200 M)|Ag(s) a) Calculate the electrode potential at the cathode (Ecathode) b) Calculate the electrode potential at the anode (Eanode) c) Calculate the cell potential (Ecell)
Consider the 2 half-reactions: Cu2+(aq) + 2e- --> Cu(s) Eo= 0.34V Ag+(aq) + e- --> Ag(s) Eo= 0.8V If you increase the concentration of Cu2+(aq), which of the following would be true about the cell potential E? It would remain constant It would increase It would decrease This cannot be determined