A galvanic cell is constructed from the following 2 half reactions. Pd2+   +   2e–   ⇋   Pd­(s)                        E° = 0.915 V Cu+   +   1e–   ⇋   Cu(s)                          E° = 0.518 V What is the standard cell potential (E°) of the overall galvanic cell?

edit: Calculate the cell potential for the following galvanic cell at 25°C: Al(s) Al3+ (0.0632 M)|| Au3+ (0.255 M)|Au(s)

Calculate the cell potential for the following reaction that takes place in an electrochemical cell at 25°C. Mg(s) ∣ Mg2+(aq, 1.74 M) || Cu2+(aq, 0.0053 M) ∣ Cu(s)

Use an inactive electrode when needed. Consider the following cell reactions and its standard cell potential: 3 Hg22+(aq) + 2 Cr3+(aq) ⟶⟶2 Cr(s)  + 6 Hg2+(aq)       E°cell = -1.66 V a) Write the cell notation for the voltaic cell.  b) What are the stoichiometric number of moles of electrons delivered from the one electrode compartment to the other? c) Draw a diagram of the voltaic cell.  Label the anode and cathode compartments and the sign of each.Label what ions, gases, and solids are in each compartment.Label the electrode in each compartment. In other words, what is conducting electrons in and out of each compartment.Label the direction of electron flow.Label the salt bridge and what ionic compound is being used in the salt bridge.  Label the direction of the ion flow for the cation and anion of the salt bridge.

Two half-reactions are shown with their standard cell potentials. If a galvanic cell is constructed using them, which electrode would be the anode, and what would the cell potential be? Cd2* (aq) + 2e – Cd(s); E=-0.40 V Cr3+ (aq) + 3e → Cr(s); E=-0.74 V Oa. Cadmium, -0.34 V Ob. None of the other options Oc. Cadmium, -1.14 V Od. Chromium, -1.14 V Oe. Chromium, 0.34 V

Consider a galvanic electrochemical cell constructed using Cr/Cr³⁺ and Zn/Zn²⁺ at 25 °C. The following half-reactions are provided for each metal: Cr³⁺(aq) + 3 e⁻ → Cr(s) E°red = -0.744 V Zn²⁺(aq) + 2 e⁻ → Zn(s) E°red = -0.763 V Given that the standard cell potential is 0.019 V and the overall equation is 2 Cr³⁺ (aq) + 3 Zn (s) → 2 Cr (s) + 3 Zn²⁺ (aq), what is the cell potential for this cell at 25 °C when [Zn²⁺] = 0.0323 M and [Cr³⁺] = 0.1736 M?

Consider the following voltaic cellat 25°C: Al(s) | Al3*(0.20 M, aq) || Al3+(0.75 M, aq) | Al(s) If the standard reduction potential for the Al3+(aq) /Al(s) redox couple is -1.66 V, what is the overall cell reaction and the cell potential of the voltaic cell shown above? (Reference the cell as written above.) The overall cell reaction is Al3+(0.75 M, aq) AIS*(0.20 M, ag) and E°cell = +0.0113 V. There is no overall cell reaction and E°cell = 0.00 V. The overall cell reaction is Al3+(0.20 M, aq) Als*(0.75 M, aq) and E°cell = +0.0113 V. The overall cell reaction is Al3+(0.20 M, aq) →A13+(0.75 M, ag) and E°cell| = -0.0113 V. The overall cell reaction is Al3*(0.75 M, aq) →AI3*(0.20 M, aq) and E°cell = -0.0113 V. None of these

This galvanic cell uses the reaction: Cu(s) + 2 Ag*(aq) → 2 Ag(s) + Cu2+(aq). f a C oxidation half cell reduction half cell Identify the composition of electrodes and the direction of electron flow. O a is Ag, c is Cu and electrons flow from c to a O a is Ag, c is Cu and electrons flow from a to c O a is Cu, c is Ag and electrons flow from c to a. O a is Cu, c is Ag and electrons flow from a to c. an

What is the overall cell reaction and the standard cell potential of a galvanic cell employing the following half-reactions ? NiO 2(s) +2H 2 O+2e^ -. ---> Ni(OH) 2(s) +2OH^- (aq) E ^ 0 = 0.49V   Fe(OH) 2(s) +2e^ - ----> Fe (s) +2OH^- (aq) E ^ 0 = - 0.88 V