Given the following two half-reactions, determine which overall reaction is spontaneous, and calculate its standard cell potential. Ca²*(aq) + 2 e¯–Cd(s); E° = -0.403 V Zn²*(aq) + 2 e¯–¬Zn(s); E° = -0.763 V O A. Cd(s) + Zn²*(aq)¯ OB. Cd(s) + Zn(s) OC. Ca²*(aq) + Zn²*(aq)" Cd²*(aq) + Zn(s); E° = -0.360 V →cd²*(aq) + Zn²+(aq); E° = -1.166 v 2+. Cd(s) + Zn(s); E° = +1.166 V OD. Ca²*(aq) + Zn(s)¯ Cd(s) + Zn²*(aq); E° = +0.360 V %3D

Find the nonstandard cell potential for the galvanic cell described by the cell notation provided below. Cr(s)|Cr2+(aq,0.0200M)|| Fe3+(aq,4.00 M)|Fe(s)

Calculate AG for the following cell reaction: Tl(s) | Tl+ (aq) || Ni²+ (aq) | Ni(s) From AG, determine the standard potential for the half-reaction Tl+ (aq) + e → Tl(s) AG; for Tl+ (aq) is -32.4 kJ/mol. 2+ AG; for Ni²+ (aq) is -45.60 kJ/mol. Standard Electrode (Reduction) Potentials in Aqueous Solution at 25°C Cathode (Reduction) Half-Reaction Ni²+ (aq) + 2e Ni(s) AG = J Standard Potential, E° (V) -0.23 Standard reduction potential for the half-reaction = V

Calculate the standard cell potential for the following galvanic cell. Ni(s)Ni(NO3)>(aq)||A9NO3(aq)|Ag(s)

3. Calculate the standard potentials for each of the cells at 298 K. Is each combination spontaneous as written? (a) Ag (s) | Ag + (aq) || Au *3 (aq) | Au (s) (b) Cu (s) | Cu +2 (aq) || Al *3 (aq) | Al (s)

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°   Pb2+(aq)  +  2e-  --->  Pb(s)      -0.126 Cl2  +  2e-  ---> 2 Cl-(aq)         +1.360

17. Calculate the cell potential of the cell described below: 2+ Al(s) | Al³+ (aq) (1.00 M) || Pb²+ (aq) (1.00 M) | Pb(s)

An electrochemical cell consists of a silver metal electrode immersed in a solution with Ag* = 1.0 M separated by a porous disk from a copper metal electrode. If the copper electrode is placed in a solution of 5.0 MNH3 that is also 0.0080M in Cu(NH3),+, what is the cell potential at 25°C? Cu?+ (ag) + 4 NH3 (aq) = Cu(NH3)4²* (aq) K = 1.0 × 1013 Cell potential V

What is the balanced equation for the galvanic cell reaction expressed using the following shorthand notation? Mg (s) | Mg2+ (aq) || Cl2 (g) | Cl– (aq) | C (s)