Galvanic cell has 2 half reactions O2(g) + 4H+(aq) + 4e- → 2H2O(l)    E0red = +1.23 V            Cr3+(aq) + 3e- → Cr(s)         E0red = -0.74 V Write a balanced equation that describes the cell, ensuring that E0cell > 0 V and Calculate E0cell

Q: An electrolytic cell involves the following half-reactions:     Cr3+(aq) + 3e– → Cr(s)       E° =…

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Q: A galvanic cell is constructed in which the overall reaction is Cu(s) Cu²+ Br2 Br¯ It is found that…

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Q: Predict the cell potential for the Al and Mn half-cell reactions in a solution of its concentration…

A: The standard reduction potential and half cell reactions are: Al3+ + 3e-  ----->  Al    ,…

Q: A galvanic cell is powered by the following redox reaction: MnO4(aq) + 2 H₂O(1) + 3 Cu* (aq) MnO₂…

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Q: What is the pH in the cathode for the following galvanic cell made from the following two half…

A: We will use the Nernst equation to calculates the concentration of H+ at the cathode. And we know…

Q: A voltaic cell is constructed that uses the following reaction and operates at 298 K: Cr 2 O 7 2-…

A: Given: Temperature = 298K A cell reaction: Cr2O72-(aq) + 14H+(aq) + 6I-(aq) → 2Cr3+(aq) + 3I2(s) +…

Q: Calculate the cell potential given the standard reduction potentials for the half reactions of the…

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Q: How much  Na(s)Na(s) and Cl2Cl2 can be produced

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Q: What is the Gibbs Free energy for this galvanic cell in kJ/mol (hint: make sure your reaction is…

A: The potential which estimates highest reversible work that is performed by any known system is…

Q: A chemist designs a galvanic cell that uses these two half-reactions: half-reaction 2+…

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Q: Write a balanced equation for the half-reaction that happens at the cathode of this cell. Write a…

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Q: Given the two following half reactions, Cr3+(aq) + 3e- → Cr(s) E˚ = -0.76 V Hg22+(aq) +…

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Q: If A,G° for the following reaction is -22.2 kJ/mol-rxn, calculate E° cell· Cu2*(aq) + 2 Ag(s) + 2…

A: The given reaction is, Hence,

Q: When [Cu2+] = 1.44 M, the observed cell potential at 298 K for an electrochemical cell with the…

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Q: A galvanic cell is based on the following half reactions: Ag* + e > Ag (s) E° = 0.80 V Cu2+ + 2 e →…

A: The cell potential at a given temperature can be obtained by the following relation: E=E0-RTnFlnK…

Q: A voltaic cell utilizes the following reaction: Cr(s) +3 Ag+(aq) → Cr³+(aq) +3 Ag(s) What is the…

A: First the standard cell potential value is calculated from given reduction potentials.

Q: A cell was prepared by creating the following cells: Anode: a Zr wire in a 1 M Zr4+ solution (Zr4+…

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Q: about the cell reaction: Pb(s) + Cu2*(aq) –→ Cu(s) + Pb2*(aq) (Ered (Pb2*) = -0.13 V, Ered (Cu2*) =…

A: Oxidation = Loss of electrons. Reduction = Gain of electrons. Anode = Oxidation takes place Cathode…

Q: Question 5, Part d: How much energy (in kJ) can be derived from the oxidation of 6.75 g of aluminum…

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Q: Suppose the galvanic cell sketched below is powered by the following reaction: Mg(s)+FeSO4(aq) MGSO…

A: The given cell reaction is  Mg (s) + FeSO4 (aq) → MgSO4 (aq) + Fe (s) At cathode reduction takes…

Q: A voltaic cell utilizes the following reaction and operates at 298 K: 3 Ce4+1aq2 + Cr1s2 ¡ 3…

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Q: calculate the ΔGºrxn in kJ for a 1-electron redox reaction if Eº cell= 1.45V.

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Q: Consider the following half reactions: Zn²+ (aq) + 2e → Zn(s) Fe (aq) + 3e → Fe(s) Eº = -0.76V Eº =…

A: Standard reduction potential: A solution with higher (more positive) reduction potential then the…

Q: ng question Fe3*(aq) + 3e → Fe(s) E° = -0.04V Ni+2 (ag) + 2e > Ni(s) E° = -0.24V Zn2*(aq) + 2e →…

A: Formula used Eorxn = Eocathode - Eoanode

Q: The standard reduction potentials for two pairs of redox species are shown below. These two…

A: Introduction :-  A redox reaction is spontaneous if the standard electrode potential for the redox…

Q: Among the following, which combination of half-cells will generate the most positive Eºcell?

A: Given : reduction half cell reaction Tip : E° = E°anode + E°cathode

Q: Suppose the galvanic cell sketched below is powered by the following reaction: Zn(s)+2 AgNO3(aq)…

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Q: 2. Consider a galvanic cell based on the following reaction: Al* (aq) + Mg(s) → Al (s) + Mg** (aq)…

A: Introduction :  Standard electrode potential is the potential difference between two electrodes in a…

Q: An electrochemical cell is based on the following two half-reactions: Oxidation: Pb(s) → Pb²+ (aq,…

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Q: Leclanche dry cell: lead storage battery; Zn(s) → Zn2+(aq) + 2e-: Pb(s) + SO42-(aq) → PbSO4(s) + 2e-…

A: Half cell reactions of Leclanche dry cell and lead storage battery

Q: The electrolysis of TℓBr3 at high temperature produces thallium metal. If a constant electrical…

A: Given:  Current (I) = 10.00 x 103 Amp  Time(t) = 2 hour = 7200 sec

Q: Consider the following half reactions: Mg²2 (aa) +2e → Mg(s) E° = -2.38 V Cu²+ (aq) + 2e → Cu(s) E°…

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Q: A voltaic cell utilizes the following reaction: 2FE3+(aq)+H2(g)→2FE2+(aq)+2H+(aq)2FE3+…

A: The cell reaction given is, => 2 Fe3+ (aq) + H2 (g) → 2 Fe2+ (aq) + 2 H+ (aq) Given: [Fe3+ ] =…

Q: If the following half-cells were combined to make a battery, what would the potential be? ClO2(aq)…

A: Reduction half cell: Oxidation half cell: The overall reaction will be:

Q: A cell employs the following half-reactions. Ni(s) Eº2+ = -0.25 V Cr(s) E°3+ = -0.74 V Ni Calculate…

A: Given, Ni2+(aq) + 2e- ----> Ni(s)  E°Ni2+ = -0.25 V Cr3+(aq) + 3e- -----> Cr(s) E°Cr3+ = -0.74…

Q: +(aq) + 2e1- --> Cu(s)          Eo=0.34 V Ag1+(aq) + 1e1- --> Ag(s)           Eo=0.80 V Write the…

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Q: What is the Gibbs Free energy for this galvanic cell in kJ/mol (hint: make sure your reaction is…

A: The balanced redox reaction can be written as follows: 2Al + 3F2  →  2Al3+ + 6F-

Q: Answer the following questions about this cell. Write a balanced equation for the half-reaction that…

A: Given : half cell reaction

Q: Calculate E°cell for the following reaction at 25 °C and at a pH = 5.8. 103 (aq) + I(aq) → I2(s)

A: We have to calculate the E0cell for the following reaction at 25oC and at a pH = 5.8. IO3-(aq) +…

Q: 8. Calculate Eº, E, and AG for the following cell reactions: (a) Mg(s) + Sn²+ (aq) → Mg²+(aq) +…

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Q: A voltaic cell utilizes the following reaction: 4Fe2+(aq)+O2(g)+4H+(aq)→4Fe3+(aq)+2H2O(l)   A) E…

A: +

Q: Calculate the cell potential given the standard reduction potentials for the half reactions of the…

A: Given:  X3+(aq) + e- → X2+(aq)  E°red = +0.73 V   Y2(ℓ) + 2e- → 2Y-(aq)  E°red =  +0.4 V

Q: Given:              Fe2+   +   2e-   -->   Fe                Eº = -0.44V Fe3+   +   3e-   -->   Fe…

A: Fe + Cl2 ==> Fe2+ + 2 Cl-

Q: A Galvanic cell was constructed based on the following two reduction half reactions:   O2(g) +…

A: A question based on electrode potential. 2 electrode reactions are given using that the follow-up…

Q: A voltaic cell is set up at 25 °C with the following halfcells:Al/Al3+(0.001 M) and Ni/Ni2+(0.50…

A: An electrochemical cell is a device that can generate electrical energy from the chemical reactions…

Q: A galvanic cell is powered by the following redox reaction: 2+ 2103(aq) + 12 H* (aq) + 10 Fe²+ (aq)…

A: The given reaction is a redox reaction. In these reactions, reduction and oxidation takes lace…