Equate the following equations according tothe acidic environment;Fe2+ + CrO72.Fe3+ + Cr³+-----HN02 + MnO4 -No3 - + Mn²+b) Draw a volta cell created using Zn and Cuelectrodes and write the net batteryequation. Which electrode's weightincreases?

In acidic medium 1. Write skeletal reaction, find the oxidation number and identify oxidation,…

Answered: Equate the following equations…

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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13. Write the oxidation half reaction, the reduction half reaction, and the overall cell reaction for the following galvanic cell. Identify the anode and the cathode and state why you labeled the metals that way. (4) Zn (s) | Zn²+ (aq) || Cu²+ (aq) | Cu (s)
11. What is AG° for the reaction driving the following voltaic cell? Co (s) | Co²+ (aq) || Mn³+ (aq), Mn²+ (aq) | Pt (s) A. -175 kJ +175 kJ B. -351 kJ +351 kJ C. -527 kJ D. E.
Consider the galvanic cell based on the following half-reactions. Ag+ + e Ni²+ + 2e →→ Ni (a) Determine the overall cell reaction and calculate Omit states-of-matter from your answer.) chemPad XX→ (c) 8 cell → Ag 8⁰ = +0.80 V 8° -0.23 V Calculate 8 Help Greek º (b) Calculate AGº (in kJ) and K for the cell reaction at 25°C. AGO kJ K (in V). (Use the lowest possible whole number coefficients. cell (in V) at 25°C when [Ag+] = 1.0x10-4 M and [Ni²+] = 1.0×10-² M. cell V
A voltaic cell using Pb²⁺/Pb and Ni²⁺/Ni half-cells is set up at standard conditions, and each compartment has a volume of 355 mL. What is the cell potential, in V, after it has delivered 0.150 A for 51.0 hours at 25 °C? (E° for Pb²⁺/Pb = -0.130 V and E° for Ni²⁺/Ni = -0.250 V.)
An electrochemical cell is based on these two half - reactions Ox : Pb(s) -> Pb ^ 2 (aq, 0.20 mol L^ -1 )+2 e^ -; E anode ^ 0 =-0.13(V) Red: MnO4 ^ - (aq,1.55 mol L^ -1 )+4 H^ + (aq,2.0 mol L^ -1 )+3 e^ - MnO^2(s) + 2H_{2}*O(l) E 1.68 (V) Compute the cell potential at 25 ∘C.
2. For the following concentration cell, use the Nernst equation to determine the expected voltage. Also indicate the oxidation reaction, the reduction reaction, the cell reaction, and the overall expected EMF of the cell using the tables from powerpoint slides 11 and 12 and the Nernst equation. Once you have determined the cell reaction, write the conventional cell notation. Zn and Zn+2 (0.25M) mixed with Cu and Cu+2 (0.35M)
A galvanic cell was formed using Avium and Beanium:[hypothetical elements] Reduction Potentials: Av3+(aq) + 3e- → Av(s) Eo = -0.48 V Bn4+(aq) + 4e- → Bn(s) Eo = +0.15 V a) Write a net ionic equation for this reaction. b) Write the cell notation for this cell. c) Which is the oxidizing agent? Explain how you know.
A voltaic cell is constructed with two silver electrodes, each of which is based on the following half reaction: AgCl (s) + e- -> Ag (s) + Cl- (aq) The two half cells have [Cl-] = 0.0150 M and [Cl-] = 2.55 M, respectively. Determine the overall reaction that takes place in the cell.
a) Balance the following redox reaction in basic solution: H2O2(aq) + ClO2(aq) → ClO2-(aq) + O2(g) b) Sketch the voltaic cell for the redox reaction, labeling the direction for electron flow, the anode and cathode , and the species present in each half-cell. Show all the work please!
A galvanic (voltaic) cell consists of an electrode composed of nickel in a 1.0 M nickel(II) ion solution and another electrode composed of gold in a 1.0 M gold(III) ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 25 °C. Refer to the list of standard reduction potentials. E° V 'cell * TOOLS х10
6. Sketch a voltaic cell for the following overall redox reaction. 3 Cl2(g) + 2 Fe(s) — 6 CІ (аq) + 2 Fe3+(aq) а. Label the anode and cathode b. Indicate the half-reaction occurring at each electrode c. Indicate the species present in each solution.
A voltaic cell is constructed with two silver–silver chloride electrodes, each of which is based on the following half-reaction: AgCl1s2 + e- ¡ Ag1s2 + Cl -1aq2 The two half-cells have 3Cl -4 = 0.0150 M and 3Cl -4= 2.55 M, respectively. What is the standard emf of the cell?

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Equate the following equations according to the acidic environment; Fe2+ + CrO72. Fe3+ + Cr³+ ----- HN02 + MnO4 - No3 - + Mn²+ b) Draw a volta cell created using Zn and Cu electrodes and write the net battery equation. Which electrode's weight increases?