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Galvanic Cell Solutions Library

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65 solutions

Galvanic Cell

Q. Suppose the galvanic cell sketched below Is powered by the following reaction: 2Fe(s)+ 3Cu(NO3)2 (aq) → 2Fe(NO3)3 (aq)+ 3Cu(s)Write a balanced equa...

Solved • Mar 17, 2020

Galvanic Cell

Q. What is produced at each electrode in the electrolysis of AgF(aq)? Match the products with the correct binproducts=H2(gas), O2(g), F2(g), Ag(s)Bins...

Solved • Mar 12, 2020

Galvanic Cell

Q. An electrochemical cell (battery) consists of a Cu plate immersed in 100 mL of 0.055 M Cu2+ solution and a Zn plate immersed in 100 mL of 0.550 M Z...

Solved • Jan 6, 2020

Galvanic Cell

Q. An illustration of an ethanol fuel cell is given below:The half reactions (written as reductions) for the fuel cell at 25 °C are given below.O2 (g)...

Solved • Jan 6, 2020

Galvanic Cell

Q. An illustration of an ethanol fuel cell is given below:The half reactions (written as reductions) for the fuel cell at 25 °C are given below.O2 (g)...

Solved • Jan 6, 2020

Galvanic Cell

Q. The standard cell potential for a dry cell battery is 1.56 V. What is the standard free energy change (kJ) for this cell?

Solved • Dec 18, 2019

Galvanic Cell

Q. Identify those elements that can be prepared by electrolysis of their aqueous salts: strontium, gold, tin, chlorine.

Solved • Aug 29, 2019

Galvanic Cell

Q. Co(s) → Co3+(aq) + 3e- (Anode)Ag+(aq) + e- → Ag(s) (Cathode)What is the net cell reaction for the cobalt-silver voltaic cell?Express your answer as...

Solved • Jul 10, 2019

Galvanic Cell

Q. Nickel and aluminum electrodes are used to build a galvanic cell. The standard reduction potential for the nickel(II) ion is -0.26 V and that of th...

Solved • Jul 10, 2019

Galvanic Cell

Q. Which transformation could take place at the anode of an electrochemical cell?

Solved • Jul 10, 2019

Galvanic Cell

Q. For the following electrochemical cellCo(s) | Co2+ (aq, 0.0155 M) || Ag+ (aq, 1.50 M) | Ag(s)Write the net cell equation. Phases are optional. Do n...

Solved • Jul 9, 2019

Galvanic Cell

Q. The cell diagram for the lead-acid cell that is used in automobile and truck batteries isPb(s) l PbSO4 (s) l H2SO4 (aq) l PbO2(s), PbSO4(s) l Pb (s...

Solved • Jul 9, 2019

Galvanic Cell

Q. Concentration cell based on the Ni2+-Ni cell reaction. (a) Concentrations of Ni2+(aq) in the two half-cells are unequal, and the cell generates an ...

Solved • Jan 3, 2019

Galvanic Cell

Q. Do all voltaic cells produce a positive cell potential?

Solved • Jan 3, 2019

Galvanic Cell

Q. Magnesium, the element, is produced commercially by electrolysis from a molten salt (the "electrolyte") using a cell similar to the one shown below...

Solved • Jan 3, 2019

Galvanic Cell

Q. There are three voltaic cells. In each voltaic cell one half-cell contains a 1.0 M Fe(NO3)2(aq) solution with an Fe electrode. The contents of the ...

Solved • Jan 3, 2019

Galvanic Cell

Q. A galvanic cell that uses a salt bridge to complete the electrical circuit.How is electrical balance maintained in the left beaker as Zn2+ ions are...

Solved • Jan 3, 2019

Galvanic Cell

Q. Which electrode of a voltaic cell, the cathode or the anode, corresponds to the higher potential energy for the electrons?

Solved • Jan 3, 2019

Galvanic Cell

Q. Consider the following voltaic cell. Which electrode is the cathode?

Solved • Jan 3, 2019

Galvanic Cell

Q. A voltaic cell is based on Ag+(aq)/Ag(s) and Fe3+(aq)/Fe2+(aq) half-cells.Which reaction occurs at the cathode, and which at the anode of the cell?

Solved • Jan 3, 2019

Galvanic Cell

Q. A 1M solution of Cu ( NO3 )2 is placed in a beaker with a strip of Cu metal. A 1 M solution of SnSO4 is placed in a second beaker with a strip of S...

Solved • Jan 3, 2019

Galvanic Cell

Q. A 1M solution of Cu ( NO3 )2 is placed in a beaker with a strip of Cu metal. A 1 M solution of SnSO4 is placed in a second beaker with a strip of S...

Solved • Jan 3, 2019

Galvanic Cell

Q. A 1M solution of Cu ( NO3 )2 is placed in a beaker with a strip of Cu metal. A 1 M solution of SnSO4 is placed in a second beaker with a strip of S...

Solved • Jan 3, 2019

Galvanic Cell

Q. A Cu-Zn voltaic cell based on the reaction in the equation given below.Zn( s ) + Cu2 +  ( aq )  →  Zn2 +  ( aq ) + Cu( s )Which metal is oxidized i...

Solved • Jan 3, 2019

Galvanic Cell

Q. A voltaic cell that uses the reactionPdCl42-(aq) + Cd(s)   →   Pd(s) + 4Cl-(aq) + Cd2+(aq)has a measured standard cell potential of +1.03 V.Sketch ...

Solved • Jan 3, 2019

Galvanic Cell

Q. ​The diagram below represents a molecular view of a process occurring at an electrode in a voltaic cell.Does the process represent oxidation or red...

Solved • Jan 3, 2019

Galvanic Cell

Q. Which statement is true for voltaic cells?a) Electrons flow from the anode to the cathode.b) Electrons flow from the more negatively charged electr...

Solved • Jan 3, 2019

Galvanic Cell

Q. Consider the following concentration cell:Indicate what happens to the concentration of Pb2+ in each cell.

Solved • Jan 3, 2019

Galvanic Cell

Q. A standard galvanic cell is constructed so that the overall cell reaction is2Al3+ (aq) + 3M (s) → 3M 2+ (aq) + 2Al (s)where M is an unknown metal. ...

Solved • Dec 4, 2018

Galvanic Cell

Q. Sketch the galvanic cells based on the following overall reactions. Show the direction of electron flow, the direction of ion migration through the...

Solved • Dec 3, 2018

Galvanic Cell

Q. Sketch the galvanic cells based on the following overall reactions. Show the direction of electron flow, and identify the cathode and anode. Give t...

Solved • Dec 3, 2018

Galvanic Cell

Q. Consider the following galvanic cell:a. Label the reducing agent and the oxidizing agent, and describe the direction of the electron flow.

Solved • Dec 3, 2018

Galvanic Cell

Q. A voltaic cell is constructed with a Cu/Cu2+ half-cell and an Ni/Ni2+ half-cell. The nickel electrode is negative.(b) Diagram the cell, labeling el...

Solved • Nov 28, 2018

Galvanic Cell

Q. A voltaic cell is constructed with an Ag/Ag+ half-cell and a Pb/Pb2+ half-cell. The silver electrode is positive.(a) Write balanced half-reactions ...

Solved • Nov 28, 2018

Galvanic Cell

Q. Consider the following voltaic cell:(i) For which electrode could you use an inactive material?

Solved • Nov 28, 2018

Galvanic Cell

Q. Which of the following statements is true concerning the voltaic cell shown below? a. The Zn anode mass decreases as the cell discharges.b. The Zn ...

Solved • Jul 2, 2018

Galvanic Cell

Q. During operation: which half-reaction occurs at the cathode in each type of cell:a. In a battery (voltaic or galvanized cell) reduction occurs at t...

Solved • Mar 27, 2018

Galvanic Cell

Q. a. Label the anode and the cathode. Indicate the direction of electron flow. Label the terminals on the battery as positive or negative.b. Indicate...

Solved • Mar 20, 2018

Galvanic Cell

Q. What is produced at each electrode in the electrolysis of an aqueous solution of both NaBr and AgF? Drag the appropriate items to their respective...

Solved • Mar 7, 2018

Galvanic Cell

Q. Label the diagram according to the components and processes of a voltaic cell. Drag the appropriate labels to their respective targets.

Solved • Feb 19, 2018

Galvanic Cell

Q. In this electrochemical cell, what is the anode? 1. The solid zinc electrode  2. The Zn2+(aq) ions in the 1 M solution 3. The Cu2+(aq) ions in t...

Solved • Jan 27, 2017

Galvanic Cell

Q. Identify the location of oxidation in an electrochemical cell. A) the salt bridge B) the socket C) the electrode D) the anode E) the cathode

Solved • Aug 29, 2016

Galvanic Cell

Q. Choose the correct statement. A) The cathode is the electrode where the oxidation takes place. B) The cathode is the electrode where the reductio...

Solved • Aug 28, 2016

Galvanic Cell

Q. What is the name given to the experimental apparatus for generating electricity through the use of a spontaneous reaction? A) electrolytic cell B...

Solved • Aug 28, 2016

Galvanic Cell

Q. Design a voltaic cell from the following half-reactions: Cr 2O 7(aq) + 14 H +(aq) + 6 e − → 2 Cr 3+ (aq) + 7 H 2O(l)              E  o = 1.33 O 2...

Solved • Aug 9, 2016

Galvanic Cell

Q. Complete the following statement: In a galvanic cell, the anions migrate toward the (anode/cathode) and the electrons flow through an external circ...

Solved • May 17, 2016

Galvanic Cell

Q. Fluoride ion in aqueous are difficult to oxidize at the anode of an electrolytic cell because(A) the aqueous solutions of fluorides are nonconducti...

Solved • May 10, 2016

Galvanic Cell

Q. Consider the molecular view of an electrochemical cell involving the overall reaction: Zn(s) + Ni2+(aq) → Zn2+(aq) + Ni(s) Draw a similar sketch o...

Solved • Apr 8, 2016

Galvanic Cell

Q. Draw an electrolytic cell in which Mn2+ is reduced to Mn and Sn is oxidized to Sn2+. Label the anode and cathode, indicate the direction of electro...

Solved • Apr 8, 2016

Galvanic Cell

Q. Consider the electrolytic cell:a. Label the anode and the cathode and indicate the halfreactions occurring at each.b. Indicate the direction of ele...

Solved • Apr 8, 2016

Galvanic Cell

Q. Consider the concentration cell: a. Label the anode and cathode. b. Indicate the direction of electron flow. c. Indicate what happens to the conce...

Solved • Apr 8, 2016

Galvanic Cell

Q. Make a sketch of a concentration cell employing two Zn/Zn2+ half-cells. The concentration of Zn2+ in one of the half-cells is 2.0 M and the concent...

Solved • Apr 8, 2016

Galvanic Cell

Q. Consider the voltaic cell: a. Determine the direction of electron flow and label the anode and the cathode. b. Write a balanced equation for the ...

Solved • Apr 8, 2016

Galvanic Cell

Q. Sketch a voltaic cell for each redox reaction. Label the anode and cathode and indicate the half-reaction that occurs at each electrode and the spe...

Solved • Apr 8, 2016

Galvanic Cell

Q. Sketch a voltaic cell for each redox reaction. Label the anode and cathode and indicate the half-reaction that occurs at each electrode and the spe...

Solved • Apr 8, 2016

Galvanic Cell

Q. Sketch a voltaic cell for each redox reaction. Label the anode and cathode and indicate the half-reaction that occurs at each electrode and the spe...

Solved • Apr 8, 2016

Galvanic Cell

Q. Which statement is true of all functioning voltaic cells?a) Both Ecell and ∆G are negativeb) Both Ecell and ∆G are positivec) Ecell is negative and...

Solved • Apr 1, 2016

Galvanic Cell

Q. What is the balanced half‐reaction that occurs at the anode in the unbalanced overall cell reaction of a voltaic cell: 3 MnO4– + 5 Fe (s) → 3 Mn2+...

Solved • Apr 1, 2016

Galvanic Cell

Q. Which of the following general statements (in a‐c) are FALSE? a) Oxidation occurs at the anode of a voltaic cell b) The potential of a cell depen...

Solved • Apr 1, 2016

Galvanic Cell

Q. What is the name given to the experimental apparatus for generating electricity through the use of a spontaneous reaction? a) electrolytic cell b...

Solved • Mar 31, 2016

Galvanic Cell

Q. When designing a voltaic cell with the following cell notation:                         Li(s) | Li+(aq) ‖ Zn2+(aq) | Zn(s) That uses a salt bridg...

Solved • Mar 8, 2016

Galvanic Cell

Q. What statement is NOT true about standard electrode potentials? A) E°cell is positive for spontaneous reactions. B) Electrons will flow from more...

Solved • Feb 3, 2016

Galvanic Cell

Q. Define a salt bridge.   A) A pathway, composed of salt water, that ions pass through. B) A pathway in which no ions flow. C) A pathway between ...

Solved • Feb 3, 2016

Galvanic Cell

Q. Which statement is false? a. Reduction occurs at the cathode. b. A reducing agent will lose electrons. c. Cations migrate to the cathode in both...

Solved • Feb 3, 2016

Galvanic Cell

Q. The purpose of a galvanic cell is to: a. Transduce chemical energy to electrical energy. b. Purify solids. c. Allow for oxidation without reduct...

Solved • Feb 3, 2016