The saturated calomel electrode (SCE) is a reference electrode based on the reaction between elemental mercury and mercury(I) chloride, which has been used in pH measurement. At 25°C: Pt(s)|H2(1 atm) |H+(??M) ||Cl-(1 M)|Hg2Cl2|Hg(l) Write the balanced overall cell If the reduction potentials are H2/2H+ = –0.55 V and Hg2Cl2/Hg = 0.28 V, what is the cell potential?

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A: For a galvanic cell, the relation between Gibbs free energy and potential is  :ΔG°cell= −nFE°cell…

Q: What is K for the reaction Zn(s) + Cu²*(aq) ® Zn²*(aq) + Cu(s), given E°cell is 1.1 V at 25 °C for…

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Q: Calculate the standard cell potential for the reaction shown below .  Mn(s)+Ni^2+(aq) -> Mn^ 2+…

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Q: X(s)|X3+ (2.04 M) || Mn O4 1 minus (1.62 M)|Mn2+ (0.25 M)|H+ (2.64 M) The reduction potential for…

A: Given   The concentration of X3+ is 2.04 M. The concentration of MnO4- is 1.62 M. The concentration…

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A: The standard reduction potential of ions decides which ion will undergo oxidation and which will…

Q: The measured cell potential, Ecell, for the cell shown is –0.3549 V at 25 °C. Calculate the H*…

A: If standard reduction potential values of two half cells are given then the half cell with less…

Q: At 25 oC a zinc-copper battery is constructed as follows:  Zn|Zn2+(0.1000 M)||Cu2+(2.500 M)|Cu…

A: Using Nerst equation  Ecell  = Eocell - (0.0591/n ) log [ Zn2+ ]/[ Cu2+ ]

Q: e measured Eº value for the electrochemical cell: Cu(s) | Cu* (aq) || Pd2+ (aq) | Pd (s), is 0.390…

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Q: The following cell was constructe SCE||KBr|AgBr(sat'd)|Ag. If the measured cell potential was V,…

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Q: An electrochemical cell is set up with the following configuration: Hg|Hg2+||Mn2+|Mn.  The solutions…

A: Spontaneity of a Chemical reaction in a galvanic cell on the basis of cell potential:

Q: The cell notation for the Galvanic cell is Cd(syCd2+/l/½(syI" The Standard Reduction Potential are…

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Q: I-(aq, 0.15 M) | AgI(s) | Ag(s) given the following standard reduction potentials. AgI(s)  +  e-…

A: Standard reduction potential,  E°cell = E°c - E°a     = -0.15 - 0.15 = -0.30 V Net cell reaction,…

Q: (0.43 M) as the anode and the half-cell Sn2+(x M) | Sn(s) as the cathode; the measured cell voltage…

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Q: For the cell shown, the measured cell potential, Ecell, is -0.3657 V at 25 °C. Pt(s) | H₂(g, 0.777…

A: Ecell = 0.3657 V PH2 = 0.777 atm The balanced reduction half reactions  2 H+ (aq) + 2 e- ----->…

Q: Given the following cells in one container: Pt(s) | Cut (aq), Cu²+ (aq) || Cut (aq) | Cu(s), where…

A: 1)E°cell = E°cell (Cathode) - E°cell (Anode)  0.52- 0.15= 0.37V E°cell is positive so it is galvanic…

Q: Given that the standard electrode potentials (E°) of metals are:K+/K = -2.93 V, Ag+/Ag = 0.80…

A: standard electrode potentials (E°) is inversely proportional to reducing power  Higher standard…

Q: The cell potential for this reaction is, V when [ Zn2*] = 1.0 M and [Pb2*] = 2.0 x 10-4 M. Pb2+ (aq)…

A: The cell potential is calculated by Nernst equation . E = E° - (0.0591/n) log Qc E = cell potential…

Q: Determine the sign of the electrodes in the cell. The left side half-cell is the and charged. The…

A: Answer: The left side of the half cell is the anode and negative charge.

Q: For the cell shown, the measured cell potential, ?cell, is −0.3553 V at 25 °C.   Pt(s) |…

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Q: Consider the concentration cell Al(s) | Al³+ (aq, ? M) || Al³+ (aq, 0.32 M) | Al(s). If the cell…

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Q: Pt(s) | H2(g,0.713 atm) | H+(aq,? M) || Cd2+ (aq,1.00 M) | Cd(s) The balanced reduction…

A: Given: half reactions for the cell. 2H+(aq)+2e-→H2(g)   Eo=0.00VCd2+(aq)+2e-→Cd(s)  E0=-0.403V To…

Q: The cell potential (Ecell) of a galvanic cell made using the redox couples H+/H2 and Zn2+/Zn is…

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Q: Calculate the cell potential for the galvanic cell in which the reaction Fe(s) + Au*(aq) =…

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Q: For the following electrochemical cell: Ag(s) | Ag+(aq) | | Fe2+(aq) | Fe(s) A. Calculate the Ecell…

A: To determine the deltaG° value , first we will determine the value E°Cell.   The reaction between…

Q: For the cell shown, the measured cell potential, ?cellEcell, is −0.3669 V at 25 °C.   Pt(s) |…

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Q: For the cell shown, the measured cell potential, Ecell, is -0.3725 V at 25 °C. Pt(s) | H₂(g,0.849…

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Q: X(s)|X5+ (0.94 M) || Mn O4 1 minus (1.10 M)|Mn O2(s)|H+ (0.51 M) The reduction potential for X5+ is…

A: The Nernst equation is shown below: Where: Ecell = cell potential E0cell = standard cell potential…

Q: = 2.26 A voltaio cell employs the following redox reaction: 2 Fe (aq)+3 Mg (s)2 Fe (s) +3 Mg²+ (aq)…

A: Given, 2Fe3+(aq) + 3Mg(s) ➝ 2Fe(s) + 3Mg2+(aq) Temperature (T) = 25°C [Fe3+] = 2.85 M;  [Mg2+] = 2.1…

Q: What is the cell potential (in V) of a galvanic cell that is described by the following notation? Cd…

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Q: Calculate the cell potential for the galvanic cell in which the given reaction occurs at 25 °C,…

A: Data given: The concentration of [Sn2+] = 0.0595 M The concentration of [Co3+] = 0.0452 M The…

Q: 1. Calculate the cell potential, AG (J), and the equilibrium constant Keq for the following…

A: Calculation of Cell potential of the cell

Q: 20. A galvanic cell is constructed at 25°C as indicated in the shorthand cell notation: Determine…

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Q: Calculate Ecell for the following cell: Pt(s) | H2(g) | H *(aq) || Pb2*(aq) | PBSO4(s) | Pb(s) given…

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Q: At 25 °C, a titration of 15.00 mL of a 0.0560 M AgNO3 solution with a 0.0280 M Nal solution is…

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Q: Calculate Ecell for the following electrochemical cell at 25 °C Pt(s) | H2(g, 1.00 atm) | H+(aq,…

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Q: Consider the following electrochemical cell in which X is an unknown metal: Pt | Cl-(1 M) | Cl2( 1…

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Q: For the cell shown, the measured cell potential, Ecell, is -0.3537 V at 25 °C. Pt(s) | H₂(g, 0.837…

A: Cell potential, Ecell= -0.3537 VHalf-cell reactions are also given.

Q: For the cell shown, the measured cell potential, Ecell, is -0.3651 V at 25 °C. Pt(s) | H₂(g, 0.797…

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Q: - Calculate the cell potential for the galvanic cell in which the given reaction occurs at 25 °C,…

A: Given -> [Sn2+] = 0.0692 M [Fe3+] = 0.0386 M [Sn4+] = 0.00567 M [Fe2+] = 0.01137 M

Q: What is the standard potential of an unknown M²+/M electrode if the following cell is constructed:…

A: Given, the cell notation: Pb|Pb2+||M2+|M The emf of the cell = 2.99 V The standard potential of lead…

Q: Pt(s) | H,(g, 0.703 atm) | H* (aq, ? M) || Cd2+ (aq, 1.00 M) | Cd(s) The balanced reduction…

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Q: 4. The cell diagram for an electrochemical cell is given below: Mn(s)| Mn (aq, 1.0 mol dm) || Ag"…

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Q: Calculate the reaction temperature of the electrochemical cell described below which measures a…

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