Question

What is the potential at 25.0 °C of the cell represented below? Zn(s) | Zn2+ (aq, 0.010 M) || Ag+ (aq, 0.20 M) | Ag(s) YOUR ANSWER SHOULD HAVE 3 SIG-FIGS Table 1. Standard Reduction Potentials at 25 °C Reduction Half Reaction E° Ag+(aq) + e- ? Ag(s) 0.80 V Fe3+(aq) + e- ? Fe2+(aq) 0.77 V I2(s) + 2e- ? 2 I-(aq) 0.54 V Cu+(aq) + e- ? Cu(s) 0.52 V Cu2+(aq) + 2e- ? Cu(s) 0.34 V 2 H+(aq) + 2e- ? H2(g) 0.00 Fe3+(aq) + 3e- ? Fe(s) -0.04 V Sn2+(aq) + 2e- ? Sn(s) -0.14 V Cd2+(aq) + 2e- ? Cd(s) -0.40 V Fe2+(aq) + 2e- ? Fe(s) -0.45 V Cr3+(aq) + 3e- ? Cr(s) -0.74 V Zn2+(aq) + 2e- ? Zn(s) -0.76 V Al3+(aq) + 3e- ? Al(s) -1.66 V

          What is the potential at 25.0 °C of the cell represented below?
Zn(s) | Zn2+ (aq, 0.010 M) || Ag+ (aq, 0.20 M) | Ag(s)
YOUR ANSWER SHOULD HAVE 3 SIG-FIGS

Table 1. Standard Reduction Potentials at 25 °C

Reduction Half Reaction E°
Ag+(aq) + e- ? Ag(s) 0.80 V
Fe3+(aq) + e- ? Fe2+(aq) 0.77 V
I2(s) + 2e- ? 2 I-(aq) 0.54 V
Cu+(aq) + e- ? Cu(s) 0.52 V
Cu2+(aq) + 2e- ? Cu(s) 0.34 V
2 H+(aq) + 2e- ? H2(g) 0.00
Fe3+(aq) + 3e- ? Fe(s) -0.04 V
Sn2+(aq) + 2e- ? Sn(s) -0.14 V
Cd2+(aq) + 2e- ? Cd(s) -0.40 V
Fe2+(aq) + 2e- ? Fe(s) -0.45 V
Cr3+(aq) + 3e- ? Cr(s) -0.74 V
Zn2+(aq) + 2e- ? Zn(s) -0.76 V
Al3+(aq) + 3e- ? Al(s) -1.66 V

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What is the potential at 25.0 °C of the cell represented below?
Zn(s) | Zn2+ (aq, 0.010 M) || Ag+ (aq, 0.20 M) | Ag(s)
YOUR ANSWER SHOULD HAVE 3 SIG-FIGS

Table 1. Standard Reduction Potentials at 25 °C

Reduction Half Reaction E°
Ag+(aq) + e- ? Ag(s) 0.80 V
Fe3+(aq) + e- ? Fe2+(aq) 0.77 V
I2(s) + 2e- ? 2 I-(aq) 0.54 V
Cu+(aq) + e- ? Cu(s) 0.52 V
Cu2+(aq) + 2e- ? Cu(s) 0.34 V
2 H+(aq) + 2e- ? H2(g) 0.00
Fe3+(aq) + 3e- ? Fe(s) -0.04 V
Sn2+(aq) + 2e- ? Sn(s) -0.14 V
Cd2+(aq) + 2e- ? Cd(s) -0.40 V
Fe2+(aq) + 2e- ? Fe(s) -0.45 V
Cr3+(aq) + 3e- ? Cr(s) -0.74 V
Zn2+(aq) + 2e- ? Zn(s) -0.76 V
Al3+(aq) + 3e- ? Al(s) -1.66 V

Added by Steve C.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert David Collins

09/18/2023

Step 1

We have Zn and Ag, so the half-reactions are: Zn(s) -> Zn²⁺(aq) + 2e⁻ (oxidation) Ag⁺(aq) + e⁻ -> Ag(s) (reduction) Now, we need to balance the electrons in both half-reactions. To do this, we multiply the reduction half-reaction by 2: 2(Ag⁺(aq) + e⁻ -> Show more…

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What is the potential at 25.0 °C of the cell represented below? Zn(s) | Zn2+ (aq, 0.010 M) || Ag+ (aq, 0.20 M) | Ag(s) YOUR ANSWER SHOULD HAVE 3 SIG-FIGS Table 1. Standard Reduction Potentials at 25 °C Reduction Half Reaction E° Ag+(aq) + e- → Ag(s) 0.80 V Fe3+(aq) + e- → Fe2+(aq) 0.77 V I2(s) + 2e- → 2 I-(aq) 0.54 V Cu+(aq) + e- → Cu(s) 0.52 V Cu2+(aq) + 2e- → Cu(s) 0.34 V 2 H+(aq) + 2e- → H2(g) 0.00 Fe3+(aq) + 3e- → Fe(s) -0.04 V Sn2+(aq) + 2e- → Sn(s) -0.14 V Cd2+(aq) + 2e- → Cd(s) -0.40 V Fe2+(aq) + 2e- → Fe(s) -0.45 V Cr3+(aq) + 3e- → Cr(s) -0.74 V Zn2+(aq) + 2e- → Zn(s) -0.76 V Al3+(aq) + 3e- → Al(s) -1.66 V

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