A concentration cell is set up using the following reaction: Sn4+ (aq) + 2e – Sn2+...
For the electrochemical cell Pt(s) | Sn2+(aq), Sn4+(aq) || Pb2+(aq) | Pb(s), what is the function of the Pt(s)? Pt is the anode and is a reactant in the overall cell reaction. Pt is the anode and does not appear in the overall cell reaction. Pt is the cathode and is a product in the overall cell reaction. O Pt is the cathode and does not appear in the overall cell reaction. O
A voltaic cell is constructed that is based on the following reaction: Sn2+(aq)+Pb(s)→Sn(s)+Pb2+(aq). a. If the concentration of Sn2+ in the cathode compartment is 1.50 M and the cell generates an emf of 0.22 V , what is the concentration of Pb2+ in the anode compartment? b. If the anode compartment contains [SO2−4]= 1.50 M in equilibrium with PbSO4(s), what is the Kspof PbSO4?
Selective Oxidation The standard reduction potential for the half-reaction Sn4+ + 2e - Sn2+ is +0.15 V. Consider data from the table of standard reduction potentials for common half-reactions, in your text. For a galvanic cell under standard conditions, which of the following cathodic half reactions would produce, at the anode, a spontaneous oxidation of Sn to Sn2+ but not Sn2+ to Sn4+. 2H+ + 2e - H2 Fe3+ + 3e + Fe Sn2+ + 2e Fe2+ + 2e →...
Selective Reduction The standard reduction potential for the half-reaction: Sn4+ + 2e - Sn2+ is +0.15 V. Consider data from the table of standard reduction potentials for common half-reactions, in your text. For a galvanic cell under standard conditions, which of the following anodic half reactions would produce, at the cathode a spontaneous reduction of Sn4+ to Sn2+ but not Sn2+ to Sn. no yes yes yes yes yes Fe — Fe2+ + 2e- Sn2+ Sn4+ + 2e- Sn Sn2+...
Half-reaction Cr3+ (aq) + 3e- → Cr(s) Fe2+ (aq) + 2e- → Fe (s) Fe3+ (aq) + e- + Fe2+ (s) Sn4+ (aq) + 2e- + Sn2+ (aq) E° (V) -0.74 -0.440 +0.771 +0.154 3Sn** (aq) +2Cr(s) → 2Cr** (aq) +3Sn²+ (aq) 3. What is the cell potential, Ecell, for the reaction above if [Sn] = 1.00 M, [Cr3+1 = 0.0200 M and [Sn2+] = 0.0100 M?
1. A voltaic cell is constructed that is based on the following reaction: Sn2+(aq)+Pb(s)→Sn(s)+Pb2+(aq). A. If the concentration of Sn2+ in the cathode compartment is 1.30 M and the cell generates an emf of 0.25 V , what is the concentration of Pb2+ in the anode compartment? B. If the anode compartment contains [SO2−4]= 1.30 M in equilibrium with PbSO4(s), what is the Ksp of PbSO4? 2. A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). A. What is the emf...
For a galvanic cell using the reaction Cu2+ (aq) + Sn2+ (aq) Cu (s) + Sn4+ (aq), calculate the cell potential at 25°C when [Cu2+] = 2.5 × 10-3 M, [Sn2+] = 2.5 × 10-4 M and [Sn4+] = 3.5 × 10-3 M
A concentration cell similar to the one shown is composed of two Cr electrodes and solutions of different Cr3+concentrations. The left compartment contains 0.409 M Cr3+, and the right compartment contains 0.834M Cr3+. 1. Calculate the cell potential for this reaction at 298 K. ________volts In this chromium concentration cell, the compartment on the left is the _________anode/cathode, and the compartment on the right is the _________anode/cathode. 2.A concentration cell similar to the one shown is composed of two Sn...
A concentration cell similar to the one shown is composed of two Cr electrodes and solutions of different Cr3+concentrations. The left compartment contains 0.409 M Cr3+, and the right compartment contains 0.834M Cr3+. 1. Calculate the cell potential for this reaction at 298 K. ________volts In this chromium concentration cell, the compartment on the left is the _________anode/cathode, and the compartment on the right is the _________anode/cathode. 2.A concentration cell similar to the one shown is composed of two Sn...
What is the shorthand notation that represents the following galvanic cell reaction? Sn2+(aq) + Cl2(g) → Sn3+(aq) + 2 Cl-(aq) A) Pt(s) ∣ Sn2+(aq), Sn3+(aq) ∣∣ Cl2(g) ∣ Cl-(aq) ∣ C(s) B) Sn(s) ∣ Sn2+(aq) ∣∣ Sn4+(aq) Cl2(g) ∣ Cl-(aq) ∣ C(s) C) Pt(s) ∣ Sn4+(aq), Sn2+(aq), Cl2(g) ∣∣ Cl-(aq) ∣ C(s) D) Sn2+(aq) ∣ Sn3+(aq) ∣∣ Cl2(g) ∣ Cl-(aq)