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: 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: 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: Using the standard reduction potential, Calculate the standard emf for each of the following…

A: Given; 2Al3+(aq) + 3Ca(s) ➝ 2Al(s) + 3Ca2+(aq) Standard emf for the following reaction (E°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: 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: 3. (a) Liquid NH3 is subjected to electrolysis. One of the half-reactions is 2 N3 N₂+6 e How many…

A: Given data:The given reaction is :a) How many faradays of electricity are required to produce 4.12 L…

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: - hours wor

A:

Q: For each galvanic cell, give the balanced cell reaction and determine 8°. Standard reduction…

A: Give equations are :  (a). Au3+ (aq) + Cu+ (aq) <------> Cu2+ (aq)+ Au (s)  (b). VO2+ (aq) +…

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: 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: 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: 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: (a) Write the anode and cathode reactions and the overall reaction occurring in a lead storage…

A:

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: S. Given the following reduction half-reactions at 298 K: Half-Reaction E (V) at 298 K Fe" (aq) + e→…

A: The electrode which has less negative reduction potential will act as a cathode and will undergo…

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: An electrochemical cell is constructed with a zinc metal anode in contact with a 0.032 M solution of…

A: Difference between the potential of two half cell in an electrochemical cell is known as cell…

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: A voltaic cell is constructed from an Ni 2+1aq2 - Ni1s2 half-cell and an Ag+1aq2 - Ag1s2 half-cell.…

A: The reaction: Ag+ + 1e- → Ag …..E◦ = 0.80 V Ni2+ + 2e- → Ni ….. E◦ =-0.23  V

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: Given a galvanic cell where one of the operating half reaction is: Pb (s) + 3 OH–(aq) ––––>…

A:

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 following reduction half reactions were used to create a cell: A2+ (aq) + 2 e-→ A(s)…

A:

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: A voltaic cell utilizes the following reaction and operates at 298 K. (a) What is the emf of this…

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 voltaic cell utilizes the following reaction and operates at 298 K: 3Ce+ (aq) + Cr(s)- → 3Ce+ (ag)…

A: Given reaction is :  3Ce4+ (aq) + Cr (s) ------------> 3Ce3+ (aq) + Cr3+ (aq)  a). What is the…

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: You are making a galvanic cell using the following half reactions AgI(s) +eAg(s) + (aq) E= -0.15V…

A: This problem is based on electrochemistry and we will find the pH of the solution by using nernst…

Q: 21.28 A voltaic cell is constructed with an Ag/Ag* half-cell and a Pb/Pb²* half-cell. The silver…

A: Voltaic cell involves conversion of chemical energy into electrical energy through redox reaction.

Q: 2. Consider the electrochemical cell where one of the half cells is comprised of a Pt electrode in a…

A: GIVEN: Half cell : Pt electrode NO(g) = 0.278 atm N2O (g) =0.266 atm OH- (aq) = 6.00 M Second…

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

A: