4. Calculate the emf of the cell Co|Co2+||Ni2+|Ni If the concentrations are [Ni2+] = 1.0 M and [Co2+] = 0.1 M E° Co2+|Co = -0.280 V and E° Ni2+|Ni = -0.257 V

Q: 5. For the following reaction at 25 °C, 5FE2+ *(aq) + MnO4 (aq) + 8H"(aq) = 5Fe*(aq) + Mn²*(aq) +…

A: Given :  [Fe+2] = 0.50 M  [Fe+3] = 0.10 M  [MnO4-] = 0.025 M  [Mn+2] = 0.015 M pH = 7.00  => [H+]…

Q: The cell potential was -0.228 V at 25oC and a Fe3+(aq) concentration of 0.162 M. What was the pH of…

A: The Nernst equation for the given cell at 25oC is: Ecell=Ecell∘-0.059nlog Q······(1) Here, Ecell is…

Q: :Using the following data .7 Fe3+ +3e- Fe E° = -0.036 V Fe2+ +2e-- Fe E° = -0.447 V The standard…

A:

Q: Two concentration cells are prepared, both with 90.0 mLof 0.0100 MCu(NO₃)₂ and a Cu bar in each…

A: Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: 6) Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below.…

A:

Q: Complete the table. Calculate the cell potential when 20.0 mL of 0.05 M Fe²* was titrated with 0.05…

A: Since you have asked a question with multiple sub-parts, as per our company guidelines we are…

Q: Calculate the maximum amount of work (per mole reaction) that can be obtained from the following…

A: a. Given, a galvanic cell is constructed between Au3+ and Cu2+. Au3++3e-→Au     E°=1.50VCu2++e-→Cu+…

Q: Devise cells in which the following are the reactions and calculate the standard cell potential in…

A:

Q: Brass, an alloy of copper and zinc, can be produced by si-multaneously electroplating the two metals…

A:

Q: Consider the reaction 2Co3+ (aq)+2CI-(aq)-2Co2+(aq)+Cl2(g) EOcell=0.71 V What is the cell potential…

A: Given data: E°cell = 0.71V  [Co3+] = 0.258V [CO2+] = 0.249V  [Cl-1] = 0.523V Pressure of Cl2 =…

Q: At 25 ∘C,25 ∘C, a titration of 15.00 mL of a 0.0320 M AgNO3 solution with a 0.0160 M NaI solution is…

A:

Q: Calculate the standard cell potential, Ecell, for this reaction at 298 K. 12 (s) + 2 Br (aq) --> 21…

A: Equilibrium constant (Kc) = 1.1 × 10-18  Temperature (T) = 298 k  Standard cell potential (E°) = ? •…

Q: The cell SCE // Ag2CrO4 (sat'd), CrO42- (x M) / Ag is used for the determination of pCrO4. Calculate…

A: For the cell SCE // Ag2CrO4 (sat'd), CrO42-/ Ag, the reduction equation for silver chromate…

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

A: The question is based on the concept of electrochemistry. the electrode which has higher reduction…

Q: :Using the following data.13 Fe3+ +3e- - Fe E° = -0.036 V Fe2+ +2e- → Fe E° = -0.447 V The standard…

A:

Q: The standard potential of the cell Ag(s)|AgI(s)|AgI(aq)|Ag(s) is +0.9509 V at 25 °C. Calculate the…

A: The given reaction is a concentration cell for which Ecell = 0 Now, the standard cell potential…

Q: Consider the galvanic cell in the following reaction Zng) + 2H* (? M) => Zn²* ( 1M) + H2 (1 M) Where…

A: Given that, for a galvanic cell, the cell reaction is Zn(s)+2H+(?M) →Zn2+(1M) + H2(1M). Where,…

Q: The following electrochemical cell was constructed at 298 K. C. Co(s)CoSO4j|NISO4NI(s) E° Co2*Co =…

A:

Q: For Ag+(aq) + e-→ Ag(s), Eº = +0.80 V and for Zn²+(aq) + 2e¯ → Zn(s), E° = -0.76 V. a) Identify…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 1. Consider a cell buffered at pH 2.00 and consists of Fe²+ (aq) (0.004 M), Fe³+ (aq) (0.070 M) and…

A: Given that, a cell in which Fe2+ reduces MnO4- to Mn2+ at pH 2.00. The given concentration are…

Q: cell potential

A:

Q: Pt(s) Br (aq) (x M) | Br21) || BrO3¯(aq) (0.43 M), H*(aq) (1.00 M) | Br2(1) | Pt(s)

A:

Q: Given the reaction: Anode: NO3- + 2H + +e- ---> NO2 + H2O Cathode: 2H + 2e- ---> H2 Redox:…

A:

Q: The cell SCE | Ag, Cro,(sat 'd), Cro, (z M)|Ag is used for the determination of pCro,. Calculate…

A:

Q: What mass of Ba(s) may be deposited from an aqueous BaCl2 solution if a current of 2.50 A is applied…

A: Mass of electrodeposited species can be calculated from the amount of charge passed.

Q: A cell is constructed by coupling a Zinc electrode dipped in0.5M ZnSO4 and a Nickel electrode dipped…

A: Given concentration of Zn2+ is 0.5M.          concentration of Ni+2 is 0.05M Standard reduction…

Q: Calculate the standard cell potential of the following cell at 25°C: Pb(s) | Pb?+ (ag) || Cu2+ (ag)…

A: In a galvanic cell, oxidation takes place in anode and reduction takes place in cathode. Non…

Q: Consider this galvanic cell at 298 K:                 2 Cr(s)  +  3 Ni2+(aq)      2 Cr3+(aq)  +…

A:

Q: For an electrochemical cell 25oC with the following over-all reaction: Ag+(aq) + Br-(aq) → AgBr i.…

A: electrolysis is a redox process process where an electrolyte undergo decomposition into ions when…

Q: Given the galvanic cell: SCE || Ag*(aq)|Ag, at 25 °C, and the half-reactions. Agt + e → Ag(s), Eº=…

A:

Q: A reaction 1 Ag*(aq) + H2 (g) → H* (aq) + Ag(s) Takes place in a cell and the standard cell…

A: Ag+ (aq) + 0.5 H2 (g) ==> H+(aq) + Ag(s)

Q: Consider the cell Pt(s)|H2(g,p°)|HCl(aq)|AgCl(s)|Ag(s), for which the cell reaction is…

A: In electrochemistry, the Nernst equation is an equation that relates the reduction potential of an…

Q: Consider a cell buffered at pH 2.00 and consists of Fe2+(aq) (0.004 M), Fe3+(aq) (0.070 M) and MnO4-…

A: Given, concentration of Fe2+(aq) = 0.004 M Concentration of Fe3+(aq) = 0.070 M Concentration of…

Q: A galvanic cell is constructed in which the overall reactionis 2- Cr2 0; (aq) + 14 H2O† (aq) + 6 I…

A:

Q: The cell shown below has a measured cell potential of +0.06839 V at 25.0 °C. A graph of the cell…

A:

Q: Calculate the cell potential, at 298 K, for the following reaction under the conditions given.…

A:

Q: 1. Calculate the standard reaction Gibbs free energy for the following cell reactions: (a) 2Ce"(aq)…

A: We know that, the Gibb's free energy changes (∆Go) can be expressed as follows --- ∆Go = -nFEcello (…

Q: A constant current of 0.912 A is passed through an electrolytic cell containing molten MgCl2 for…

A: Given values:I = 0.912 ATime = 18.5 h It is known that 1 h = 3600 sec.Therefore, 18.5 h = 18.5×3600…

Q: Calculate AGº for the following cell reaction: TI(s) | TI* (aq) || Pb3* (aq) | Pb(s) From AG°,…

A: Cell Reaction : 2 Tl (s) + Pb2+ (aq) -----> 2 Tl+ (aq) + Pb (s) Since for any reaction, the…

Q: 1. Consider a cell buffered at pH 2.00 and consists of Fe2+(aq) (0.004 M), Fe3+(aq) (0.070 M) and…

A: Redox reactions in electrochemistry are characterized as chemical processes in which electrons…

Q: 2Ag+(aq) + Fe(s) ---> 2Ag(s) + Fe2+ (aq)  ΔG° = −241.0 kJ /mol Calculate the standar cell…

A: standard potential cell is that potential which defines at standard conditions,  Standard condition…

Q: A galvanic cell is constructed in which the overall reac- tion is Pb(s) + 2 H;O*(aq) → Pb²+ (aq) +…

A: Given data are  cell potential = 0.22V Cl- = 0.15M P H2 = 1.0 Atm. Pb2+ = ? ∆E = ? solubility…

Q: The cell potential was 1.271 V at 25oC and a Al3+(aq) concentration of 0.178 M. What was the…

A:

Q: A electrochemical cell is formed by the combination of Zn rod immersed in Zinc chloride solution of…

A: The electrode with highest reduction potential will undergo reduction. Among the given electrodes…

Q: Cu(s)||Cu2+(aq, 0.0155 M)‖‖Ag+(aq, 3.50 M)||Ag(s)Cu(s)⁢|Cu2+⁢(aq, 0.0155 M)‖Ag+⁢(aq, 3.50 M)|Ag(s)…

A: Ok we will calculate last 2 parts.

Q: Consider a cell buffered at pH 2.00 and consists of Fe2+(aq) (0.004 M), Fe3(aq) (0.070 M) and…

A: The question is based on the concept of electrochemistry.   the electrode which has higher reduction…