If the accompanying drawing of an electrochemical cell represents an iron-nickel cell, use the partial activity series included to select the half-reaction represented by the right side of the cell. Element Half-Reaction Lithium Li - Lit + e- Potassium K-K* + e Barium Ва — Ва2* + 2 е- Calcium Са— Са?* + 2 е‑ Magnesium Mg → Mg2+ + 2 e- Al → AI+ + 3 e Zn → Zn?+ + 2 e Cr+ Cr+ + 3 e Aluminum Zinc Chromium Iron Fe → Fe2+ + 2 e- Co - Co2+ + 2 e- Ni - NI?* + 2 e Sn - Sn2+ + 2 e- Cobalt Nickel Tin Lead Pb → Pb2+ + 2 e- Hydrogen H2 2 H* + 2 e- Copper Cu → Cu?+ + 2 e- Silver Ag → Ag+ + e- Platinum Pt → Pt2+ + 2 e- Gold Au Au+ + e O A) Fe --> Fe2+ + 2e O B) Ni --> Ni2+ + 2e OC) Fe2+ + 2e --> Fe O D) Ni2+ + 2e --> Ni Reducing strength

If the accompanying drawing of an electrochemical cell represents an iron-nickel cell, use the partial activity series included to select the half-reaction represented by the right side of the cell. Element Half-Reaction Lithium Li - Lit + e- Potassium K-K* + e Barium Ва — Ва2* + 2 е- Calcium Са— Са?* + 2 е‑ Magnesium Mg → Mg2+ + 2 e- Al → AI+ + 3 e Zn → Zn?+ + 2 e Cr+ Cr+ + 3 e Aluminum Zinc Chromium Iron Fe → Fe2+ + 2 e- Co - Co2+ + 2 e- Ni - NI?* + 2 e Sn - Sn2+ + 2 e- Cobalt Nickel Tin Lead Pb → Pb2+ + 2 e- Hydrogen H2 2 H* + 2 e- Copper Cu → Cu?+ + 2 e- Silver Ag → Ag+ + e- Platinum Pt → Pt2+ + 2 e- Gold Au Au+ + e O A) Fe --> Fe2+ + 2e O B) Ni --> Ni2+ + 2e OC) Fe2+ + 2e --> Fe O D) Ni2+ + 2e --> Ni Reducing strength

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Use the hypothetical standard half-cell potentials listed below to calculate the standard cell potential in units of V for the following reaction occurring in an electrochemical cell at 25°C. (The equation is balanced.)3 Cl 2(g) + 2 Fe(s) → 6 Cl⁻(aq) + 2 Fe 3+(aq)Cl 2(g) + 2 e⁻ → 2 Cl⁻(aq) E° = +1.73 VFe 3+(aq) + 3 e⁻ → Fe(s) E° = - 0.14 V
A concentration cell is constructed using two Ni electrodes with Ni2+ concentrations of 1.0 M and 1.00 x 10–4 M in the two half-cells. The reduction potential of Ni2+ is –0.23 V. Calculate the potential of the cell at 25°C.
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For a galvanic cell based on the following half-reactions: Fe3+(aq) + e- → Fe2+(aq)Ag+(aq) + e- → Ag(s)
Subject: chemistry
O ELECTROCHEMISTRY Analyzing a galvanic cell A galvanic cell is powered by the following redox reaction: 3 Br₂(1) + 2 Cr(OH)3(s) + 10OH (aq) - → 6 Br (aq) + 2 CrO (aq) + 8 H₂0(1) Answer the following questions about this cell. If you need any electrochemical data, be sure you get it from the ALEKS Data tab. Write a balanced equation for the half-reaction that takes place at the cathode. Write a balanced equation for the half-reaction that takes place at the anode. Calculate the cell voltage under standard conditions. Round your answer to 2 decimal places. 0 0 E = OV ローロ é X Do ?
red A certain half-reaction has a standard reduction potential E = +0.16 V. An engineer proposes using this half-reaction at the cathode of a galvanic cell that must provide at least 1.30 V of electrical power. The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the cathode of the cell. Is there a minimum standard reduction potential that the half-reaction used at the anode of this cell can have? If so, check the "yes" box and calculate the minimum. Round your answer to 2 decimal places. If there is no lower limit, check the "no" box. Is there a maximum standard reduction potential that the half-reaction used at the anode of this cell can have? If so, check the "yes" box and calculate the maximum. Round your answer to 2 decimal places. If there is no upper limit, check the "no" box. By using the information in the ALEKS Data tab, write a balanced equation describing a half reaction that could be used…
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