Determine if the reaction will occur spontaneously as written. Show your reasoning.
2Fe3+(aq) + Sn(s) â 2Fe2+(aq) + Sn2+(aq)
For unlimited access to Homework Help, a Homework+ subscription is required.
Consider a galvanic cell that uses the reaction Cu(s)+2Fe3+(aq)âCu2+(aq)+2Fe2+(aq)
What is the potential of a cell at 25 âC that has the following ion concentrations? [Fe3+] = 1.5Ã10â4 M , [Cu2+] = 0.23 M , [Fe2+] = 0.21 M

12. A voltaic cell utilizes the following redoxreaction:
Cr(s) + 2Fe3+(aq) ® 2Fe2+(aq) +Cr2+(aq)
a. Identify the oxidizing agent in the reaction.
b. How many electrons are transferred in the redox reaction
c. Calculate the standard cell potential, E°cell and DG forthis electrochemical cell.
d. Calculate the equilibrium constant for the redox reaction.
Determine the cell diagram for the reaction below. Assume aplatinum electrode is used when no other solid is present.2Fe2+(aq) + Pb2+(aq) ? 2Fe3+(aq) + Pb(s)
A.
Pb(s) | Pb2+(aq) || Fe2+(aq),Fe3+(aq) | Pt(s)
B.
Pt(s) | Pb2+(aq) | Pb(s) || Fe2+(aq),Fe3+(aq) | Pt(s)
C.
Pt(s) | Fe2+(aq), Fe3+(aq) ||Pb2+(aq) | Pb(s)
D.
Pt(s) | Fe3+(aq), Fe2+(aq) || Pb(s) |Pb2+(aq) | Pt(s)
E.
Pt(s) | Fe2+(aq), Pb2+(aq) ||Fe3+(aq) | Pb(s)