V3+(aq) + e− ⇌ V2+(aq) E° = -0.255 V 2H+(aq) + 2e− ⇌ H2(g) E° =...
| V3+(aq) + e− ⇌
V2+(aq) E° = -0.255 V |
2H+(aq) + 2e− ⇌ H2(g) |
3. The electrochemical
cell is comprised of a Pt electrode in a 4.16 × 10-4 M
solution of V3+ and 7.29 × 10-2 M solution of
V2+ coupled to a Pt electrode where the [H+]
is 8.67 × 10-5 M and the partial pressure of
H2(g) is 0.690 atm. The temperature of this cell is held
constant at 298.15 K
(a) Under these conditions, the half-cell containing V2+
and V3+ is the anode/cathode
(b) Under these conditions, the half-cell containing H+ and H2 is the anode/cathode
(c) What is Ecell (in V) for this electrochemical cell? Report your answer to three decimal places in standard notation (i.e., 0.123 V).
Homework Answers
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