2. Decide if the following reactions are spontaneous based on the calculated E° value for the cell.a.Rb + CsCs + Rb+b. Ag + Au³+ <> Au + Ag+c. H2Te + Mn2+Mn + Te + 2H+d. H₂+ Sn4+ Sn2+ + 2 Ht

Step 1: Determine the oxidation and reduction half-reactions for each equationa.Ox: Rb ---> Rb+ +…

Answered: 2. Decide if the following reactions…

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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Consider a galvanic cell with the following half-reactions: MnO4 + 8 H* + 5e → Mn?+ + 4 H2O E° = 1.51 V I04- + 2 H+ + 2e¯→ IO3 - + H2O E° = 1.60 V i. What is the reduction half-reaction and oxidation half-reaction. ii. What is the balanced overall reaction. iii. What is the standard cell potential, E°cell.
A voltaic cell is constructed, based on the Zn/Sn2+ ion reaction. Zn + Sn2+ → Zn2+ + Sn The standard cell potential is 0.626 V. What is the cell potential be when [Zn2+]=1.2 M and [Sn2+]=0.8 M ?
Given the following electrochemical cell, from which of the listed compounds or elements is the anode made? Cu(s) | Cu2+(aq) || Ag+(aq) | Ag(s) Select one: a. Cu2+(aq) b. Ag(s) c. Ag+(aq) d. Cu(s)
Calculate the K and AG for the following reaction at 25 °C: Mg(s) + Pb2+(aq)=Mg2+(aq) + Pb (s) Note: Reference the Standard reduction potentials at 25 °C and Fundamental constants tables for additional information. Part 1 of 2 Round your answer to 3 significant digits. Кс Part 2 of 2 G Round your answer to 4 significant digits. AG° kJ mol
Consider the reaction below:2 Ag(aq) + +Fe(s) → 2 Ag(s) + Fe^2+(aq) ΔG° = −241.0kJmol a. Calculate the equilibrium constant for this reaction.b. Calculate the standard cell potential for this reaction.
A galvanic cell is prepared using copper and silver. Its cell notation is shown below: Cu(s) | Cu2+(aq) || Ag+(aq) | Ag(s) Which of the following processes occurs at the cathode? A. Cu(s) → Cu2+(aq) + 2e- B. Cu2+(aq) + 2e- → Cu(s) C. Ag+(aq) + e- → Ag(s) D. Ag(s) → Ag+(aq) + e- E. Cu(s) + 2Ag+(aq) → Cu2+(aq) + 2Ag(s) Copper is electroplated from a CuSO4 solution. A constant current of 4.54 A is applied by an external power supply. How long (minutes) will it take to deposit 0.985 g of Cu? (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation--examples include 1.23 and 120. and -123 and 123. and 12.3) DOnt need work shown just answer asap Predict the sign of ΔSorxn (positive or negative) for the following reactions: CH3OH(l) → CH3OH(s) CH4(g) + H2O(g) → CO(g) + 3…
3. For the reaction: Zn(s) + 2Ag+ (aq) → Zn+2(aq) 2Ag(s). a. Determine the standard cell potential. b. Is the reaction spontaneous? If yes, write the cell notation.
18
Consider an electrochemical cell where the following reaction takes place: 2Au3+ (aq) + 3 Zn(s)→→2 Au(s) + 3 Zn2+ (aq) Which of the following is the correct cell notation for this cell? A. Au | Au³+ || Zn²+ | Zn C. Zn | Zn²+ || Au³+ | Au O A B О с O D B. Au³* | Au || Zn | Zn²+ D. Zn | Au³+ || Au | Zn²+
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.
Consider a voltaic cell that can be described like so. It is set up at standard conditions. A gold electrode is in contact with Au(NO3)3 (aq) and a lead electrode in contact with Pb(NO3)2 (aq) at 25 degrees C. Write true or false next to each of the following statements regarding the voltaic cell. I. Adding H20 to the lead half-cell will increase the measured cell potential. II. A salt-bridge is used to prevent charge buildup in the half-cells. III. This will result in the production of Pb2+ ions.
a. How many grams of NaCl is required to generate a 0.50 L 3.00M NaCl (aq) solution?b. Calculate the mass-percent NaCl in a 3.0 M NaCl (aq) solution with the density of 1.25kg / L? c. Draw the cell reaction for the galvanic cell that is described by the following cell-diagram:Al (s) │Al3+ (aq) ││Fe2+ (aq) │Fe (s)d. Decide the cell potential (Ecell) of the galvanic cell described in the cell diagram in Problem c when the concentrations are 0.100M for Fe2+ and 0.300M for Al3+ ?

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2. Decide if the following reactions are spontaneous based on the calculated E° value for the cell. a. Rb + CsCs + Rb+ b. Ag + Au³+ <> Au + Ag+ c. H2Te + Mn2+ Mn + Te + 2H+ d. H₂+ Sn4+ Sn2+ + 2 Ht