To what pH should you adjust a standard hydrogen electrode toachieve an electrode potential of -0.122 V? (Assume that thepartial pressure of hydrogen gas remains at 1 atm.)

Q: How many minutes would be required to deposit 0.375g of calcium using a current of 3.93A?

A: Given,  Mass of Ca = w = 0.375 g  Current = I = 3.93 A  Time required = t = ?

Q: What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt…

A: Faraday’s first law of electrolysis:                 The mass of the substance deposited at the…

Q: 6. If the cell potential in the previous problem (5) is 0.485 V, what is the [CI] in the cathode…

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Q: If the potential of a cell is 0.51 V at 25°C when [Zn2+(aq)]=0.111M and the pressure of the hydrogen…

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Q: In the electrolysis of water, how long will it take to produce 155.0Lof H2 at 1.0 atm and 273 K…

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Q: What current strength in ampere will be  required to liberate 10 g of chlorine from  sodium chloride…

A: To solve this question, use faraday's law of electrolysis which is given as follows:- m = I×tFMZ Use…

Q: What current is required to oxidize water at an electrode to liberate 1.00 mol O2/day in the…

A: Faraday first law: Mass of  substance deposited on any electrode is directly proportional to the…

Q: A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is…

A: The call reaction at anode is, H2(g) ------> 2H+(aq) + 2e- Standerd cell potential of the cell =…

Q: 17. What is the standard cell potential of a galvanic cell represented by the reaction below?

A: We have given that  What is the standard cell potential of a galvanic cell represented by the…

Q: The passage of a current of 0.750 A for 25.0min deposited 0.369 g of copper from a CuSO4 solution.…

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Q: Calculate the cell potential for the galvanic cell in w

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Q: Enter your answer in the provided box. A constant current is passed through an electrolytic cell…

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Q: A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is…

A: In electrochemistry, Nernst equation is used to determine the pH of a solution which is given as…

Q: What is the calculated value of the cell potential at 2

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Q: Give the Nernst equation for the electrode potential of a redox electorode.

A: The nernst equation can be used to determine the cell potential of a cell in non-standard state.

Q: Determine the current (in A) to produce 4.50 g Ag when Ag⁺(aq) is electrolyzed for 2.00 h. (F =…

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Q: Describe the standard hydrogen electrode (SHE) and explain its use in determining standard electrode…

A: For a half-cell, we cannot measure the potential directly. We can only measure the overall potential…

Q: A galvanic cell consists of a Mg electrode in 1 M Mg(NO3)2 solution and a Ag electrode in 1 M AgNO3…

A: Given- Electrodes Mg  in 1 M Mg(NO3)2 solution Ag  in 1 M AgNO3 solution Temperature = 25 °C   To…

Q: What mass of copper could be deposited from a copper(II) sulfate solution using a current of0.50 A…

A: The given problem can be solved by using the formula as; Q=I×t…

Q: If a standard cell potential is E°cell = +0.85 V at 25 °C, is the redox reaction of thecell…

A: The standard condition for a reaction to be a spontaneous is the standard cell potential is E°cell…

Q: (a) A Cr3+(aq) solution is electrolyzed, using a current of7.60 A. What mass of Cr(s) is plated out…

A: The mass of chromium deposited after two days can be calculated as follows-

Q: How many seconds are required to deposit 0.239 grams of zinc metal from a solution that contains…

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Q: Calculate the mass of Li formed by electrolysis of molten LiCl by a current 6525 A flowing for a…

A: Given, Current = 6525 A or 6525 C/sTime = 50h = 50×3600 s = 180000seconds

Q: Enter your answer in the provided box. What is the standard emf of a galvanic cell made of a Cd…

A: Since concentration of both solutions is 1.0M (standard conditions) , emf of cell will be equal to…

Q: If the potential of a Zn-H+cell is 0.45V at 25 degrees C when[Zn]-1.0M and PH2=1.0 atm, what is the…

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Q: Which species can be oxidized by Pb2+(aq)? Calculate the voltage for this/these process(es).

A: In the electrochemical series from Li (-ve Standard reduction potential) to F (+ve standard…

Q: = +0.851Vwhat is the spontaneous reaction between these two half-cells and what is the poten

A: For Spontaneous reaction, E°cell is positive.  Electrode with higher standard reduction potential…

Q: Enter your answer in the provided box. A constant current is passed through an electrolytic cell…

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Q: Calculate the minimum voltage in volts required to drive the electrolysis reaction of molten LiCl by…

A: The half-cell reactions are: Anode: Li(s) -----> Li+ + e- Eº = -3.03V Cathode: Cl2 + 2e-…

Q: A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is…

A: Given: Concentration cell of hydrogen. Temperature = 298 K. Concentration of H+ in cathode = 1.00 M…

Q: Write cell schematics for the following cell reactions, using platinum as an inert electrode as…

A: This question is from chapter Electrochemistry where we are given redox reactions and we have to…

Q: A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is…

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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: What is the standard cell potential for the reaction below?

A: In the given reaction: Lead (Pb) is getting oxidized. Bromine (Br) is getting reduced. So, the…

Q: If the coefficients of a balanced reaction are all multiplied by 2, the cell potential is also twice…

A: Given that we have to multiply the coefficient of a cell reaction with 2.

Q: At 25 C, the standard hydrogen electrode (SHE) has a half-cell potential that is defined to be 0.00…

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Q: make a clear distintion between an electrolytic cell and a galvanic cell,providing a schematical…

A: In the above question we have to differentiate between a galvanic cell and electrolytic cell,

Q: A galvanic cell is made using a Cu/Cu2 (1.0 M) electrode and an Fe/Fe2 (1.O M) electrode. What is…

A: Standard electrode potential is defined as " The value of the standard emf of a cell in which…

Q: Define electrode potential. Why absolute value of reduction potential ofelectrode cannot be…

A: In an electrochemical cell the likelihood of an electrode to get reduced and oxidized is called…

Q: Calculate cell potential at standard temperature if the concentration of [Cr3+] is o.25 M and [Sn2+]…

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Q: What do you mean by ( i) negative standard electrode potential and(ii) positive standard electrode…

A: Standard electrode potential is defined as the potential of the electrode at the standard conditions…

Q: Tollowing uld resuit for any CE aised from 25 °C to 100 °C? . The cell potential would not change at…

A: To discuss the Effect of temperature on the cell potential

Q: Element A has a standard reduction potential of +0.74V, whereas Element B has a standard reduction…

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

Q: 1. Consider the reaction: MnO2(s) + 4H*(aq)+ 2B1¯(aq) → Mn2+(aq) + Br,(l)+2H,O(1) At what pH will…

A: The electrochemical cell is the one that generates electrical energy from chemical energy. It is…

Q: A voltaic cell is constructed with two hydrogen electrodes. Electrode 1 has PH2 = 1.00 atm and an…

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Q: A voltaic cell is constructed in which the cathode is a standard hydrogen electrode and the anode is…

A: Given data are as follows: Cell potential =- 0.201 V Temperature = 298 K Pressure = 1 atm.

Q: Enter your answer in the provided box. A constant current is passed through an electrolytic cell…

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Q: How many seconds are required to deposit 0.150 grams of tin metal from a solution that contains Sn2+…

A: Mass = 0.150 g Current (i) = 0.652 A = 0.652 C/s  Time (t) = ?