5(a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E° of an electrochemical cell described by the following reaction: Mn + Cd2+ → Mn2+ + Cd (b) What is the value of E if the concentration of Cd2+ is 5.88 x 10-5 and the concentration of Mn2+ is 6.88 x 10-3? (c) If E = 0.98 V and Cd2+ = 0.10 M, what is the concentration of Mn2+ ?

Q: What mass of Mg is produced (in grams) when a constant current of 0.752 A is passed through an…

A: Given current (I) = 0.752 A time (t) = 14.2 hours molar mass = 24.31 g/mol electrons transfer  = 2

Q: 14H

A: Given data set: Molarity of K2Cr2O7 = 1.25 M Volume of K2Cr2O7 = 215 ml = 0.215 L Thus, Moles of…

Q: Write the letter of the pair of compounds that illustrates the given isomerism. CH3 H,C CH CH H2N…

A: Functional isomerism=> Compounds have same same molecular formula but different functional group.…

Q: 2. Calculate the potential of the following two half-cells that are connected by a salt bridge: a…

A: In galvanic cell redox reaction occur  Here We are required to find the potential of the given cell…

Q: Consider the following cell. Cr | Cr³+ (1.00 M) || Ni²+(1.00 M) | Ni = 0.68 V (a) How many…

A: (b) Write the balanced chemical equation for the overall cell reaction and use the ICE table.

Q: What volumes of H₂ (9) and O₂ (g) at STP are produced from the electrolysis of water by a current of…

A:

Q: How long would it take to electrodeposit all the Cu2+ in 0.300 L of 0.230 M CuSO4 solution with an…

A: Given, 0.300 L of 0.230 M CuSO4 solution Applied potential difference of 0.275 V  Current of 3.50…

Q: Consider the following electrochemical cell at 25 oC: www Zn Zn²+(1 M)||Cr³+ (0.1 M) Cr (a) what is…

A: Cell : Zn | Zn2+(1 M) || Cr3+(0.1 M )| Cr

Q: A concentration cell based on the following half reaction at 288 K Ag +e Ag; SRP = 0.80V is made…

A: Reaction on L.H.E.: Ag(s) ⇌Ag+(0.354M) + e- A⏜A (oxidation) Reaction on R.H.E. Ag+(1.4 M)+e-⇌Ag(s)…

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: What is the half cell potential (in V) for an aluminum electrode in contact with a 0.015 M A3+…

A: The half-cell reaction for the aluminum electrode can be represented as: Al3+ (aq) + 3e-  →  Al (s)…

Q: The nickel-cadmium rechargeable cell follows this overall reaction: Cds) + NiO2(s) + 2H2O + 2OH- ⇌…

A: The objective is to to compute the value of equilibrium constant, K of the reaction. Given…

Q: What is the calculated value of the cell potential at 298 K for an electrochemical cell with the…

A:

Q: A certain half-reaction has a standard reduction potential Ed=+1.14 V. An engineer proposes using…

A: The electrical power of the cell must be at least 0.60 V. the power more than this will work but…

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

A:

Q: An oxygen electrode in a basic solution has a voltage of 0.5628 V. If PO₂ = 0.1 atm, what is the…

A: Electrode potential (Ecell) = 0.5628 V pO2 = 0.1 atm Eo = 0.40 V

Q: Calculate the E and identify the type of electrochemical cells of the following: (a) Ag|AgBr…

A: EBr-/AgBr/Ag0 = 0.10 VECl-/AgCl/Ag = 0.22 V Anode:…

Q: (a) One method to reduce the concentration of unwanted Fe3+(aq) in a                 solution of…

A: The half-reactions are oxidation or reduction reactions, which is useful in balancing redox…

Q: Calculate ΔGo, K, and Eocell indicate if the redox couple describes a galvanic or electrolytic cell…

A: In aqueous systems, no reduction takes places below that of water, nor do oxidations takes places in…

Q: ed through an aque- the yolume of Or

A: m = ( M • I • t ) / nF  m/M = ( I • t ) / nF  n = I • t / nF  Where, m = mass and M = molar mass and…

Q: Calculate ΔG for the following cell reaction:  3Zn(s) + 2Cr3+(aq) ⇌ 3Zn2+(aq) + 2Cr(s)       where…

A: Concept:  For a cell reaction: The overall cell potential can be calculated by using the equation…

Q: 4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and…

A:

Q: Given an electrochemical cell containing Mg(s) and 0.10 M Mg2+ in one cell compartment and Fe(s) and…

A: All the necessary calculations have been done in the following step.

Q: Calculate the potential of the following Fe/ Fe2*(a = 0.02)// Cl(a = 0.1)/ Cl2 ,Pt

A:

Q: At 298 K, what is E (in V) for the electrochemical cell below when [Cd^2+ ]=4.700N and [Cu^2+…

A:

Q: 4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and…

A: Step 1:

Q: Calcualte the molar concentration of Ni2+ if the electrochemical cell potential has dropped to half…

A: The molar concentration of Ni2+ is to be calculated.

Q: Which of the following statements is true concerning the electrochemical cell depicted below? M…

A: According to the representation of the given electrochemical cell the complete red-ox reaction is:…

Q: What is the pH of the solution of the cathode for the following cell if the measured cell potential…

A: pH means the negative logarithm of hydronium ion. pH =-log(H+).

Q: The charge in the cell is raised until a reaction is achieved Given the following half equations:…

A: “Since you have asked multiple question, we will solve the first three questions for you. If you…

Q: The standard potential of zinc is E ° Zn2 + / Zn = -0.76V, while the standard reference electrode is…

A: In practice the electrical reduction potential is measured with respect to a standard electrode .…

Q: standard cell potential f

A:

Q: 19.85 Calculate the cell potential of the following cell at 25°C. Cr(s) Cr **(1.0 x 10 ³ M) | |…

A:

Q: How long will it take to plate out 0.270 g of iron metal from a solution containing Fe3+(aq) in an…

A: Electrochemistry is branch of chemistry in which we deal with oxidation and reduction reaction…

Q: A Galvanic cell consists of an Au/Au3+ electrode (E° = 1.50 V) and a Cu/Cu2+ electrode (E° = 0.34…

A: 0.03 MExplanation:

Q: The following standard reduction potentials have been determined for the chemistry of indium:…

A: The objective of the question is to calculate the cell potential, E°, and the equilibrium constant,…

Q: Cr20, + 14H* (aq) + 12e¯ → 2Cr(s) + 7H20 (aq) a) How many hours would it take to completely convert…

A: Answer-a Each mole of potassium dichromate has one mole of dichromate ion, therefore moles of…

Q: The saturated calomel electrode, abbreviated SCE, is often used as a reference electrode in making…

A: For the galvanic cell we know that, the electrode having greater standard reduction potential will…

Q: (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and…

A:

Q: Calculate the value of the potential for the following electrochemical cell under the conditions…

A: Answer:Galvanic cell is a type of electrochemical cell that converts chemical energy into electrical…

Q: Calculate the emf of the following cell at 25 °C:Ag(s) | Ag+ (10-3 M) ||  Cu2+ (10-1 M) |…

A: Consider the given cell as: Ags|Ag+10-3M||Cu2+10-1M|Cus From the given cell, we can write the…

Q: For a galvanic cell, given the following half-reactions and their standard reduction potentials:…

A:

Q: What concentration of Agt is present in the following electrochemical cell if E= -0.683 V and Eº…

A:

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

A: The question is based on the concept of pH of the solution.  it is defined as a negative logarithm…

Q: Calculate the Ecell value at 298 K for the cell based on the reaction: Cu(s) +2Ag*(aq) Cu²+ (aq)…

A: Nernst equation :-  The relationship between cell potential and concentration of electrolytes is…

Q: Consider the galvanic cell based on the following half-reactions. Ag+ + e− → Ag     ℰ° = +0.80 V…

A: The cell's feasibility as well as potential are estimated using Nernst equation which derives the…

Q: Eocell for the reaction ZnBr2(aq) Zn(s) + Br2(aq) is 1.8491 V. What voltage would you expect from a…

A: we have to calculate the cell potential, Ecell