4. a) Calculate the emf (Ecell) of the following concentration cell: Mg(s) | Mg*(aq, 0.24 M) | KCI(sať’d) | Mg²* (aq, 0.53 M) | Mg(s) E° (Mg/Mg**) : 2.37 V; R: 8.314 J/V.mol, 1 F: 96500 C/mol b) When does the Ecell in such concentration cell become zero? Please explain your answer.

4. a) Calculate the emf (Ecell) of the following concentration cell: Mg(s) | Mg(aq, 0.24 M) | KCI(sať’d) | Mg² (aq, 0.53 M) | Mg(s) E° (Mg/Mg**) : 2.37 V; R: 8.314 J/V.mol, 1 F: 96500 C/mol b) When does the Ecell in such concentration cell become zero? Please explain your answer.

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 77AP

See similar textbooks

Related questions

Q: Batteries are rated in terms of ampere-hours (A - h). For example, a battery that can produce a…

A: Energy store in battery can be ) calculate by using battery capacity (CA) and voltage of battery.…

Q: Given the following data: Cathode= AuNO3 (0.01 M) Anode: Hydrogen (1.01 M) In the attached…

A: The Nernst equation provides a relation between the cell potential of an electrochemical cell, the…

Q: A corrosion cell consists of copper(Cu) with an sheet area of 250cm2 and the density of the current…

A: Given: Surface area of Cu = 250 cm2 Surface area of Fe = 25 cm2 And current density passing = 0.5…

Q: Jaya needs to measure the unknown concentration of Sn2+. A Galvanic cell is set up in a room with a…

Q: For the reaction 2C03+ (aq) + 2CI- (aq)→2C0²+(aq) + Cl2 (g). E° =0.483 V what is the cell potential…

A: Cell potential is calculated using Nernst equation .

Q: A corrosion cell consists of copper(Cu) with an sheet area of 250cm2 and the density of the current…

A: Given: Surface area of Cu = 250 cm2 Surface area of Fe = 25 cm2 And current density passing = 0.5…

Q: yan ecersiz sayılacaktirl. 1. 1) If a cell generates current by itself, that is, if it operates as a…

A: Given statements are : I). If a cell generate current by itself that is if it operates as a battery,…

Q: Given the reaction Sn4+(aq) + 4e− → Sn(s). What is the value of ΔG° ?

A: In this question, we want to determine the value of ∆G° ( changed in Gibbs energy ) for given…

Q: Why is equilibrium constant K related to only E° cell and not Ecell ?

A: The reason for, equilibrium constant K related to only E0cell and not Ecell has to be given.

Q: Given the following information, Calculate delta G°. Give your answer in kJ. 3Ag (aq) + Cr (s) → 3…

A: Welcome to bartleby ! We have to calculate delta G° value .

Q: For the reaction 2Co 3+ (aq)+2Cl − (aq)→2Co 2+ (aq)+Cl 2 (g). E ∘ =0.483 V what is the cell…

A: Given information: Standard cell potential of the cell = 0.483 V Temperature = 25 ℃ Concentration of…

Q: If 12.3 g of Cu is deposited at the cathode of an electrolytic cell after 5.50 h, what was the…

Q: Q1 (a) Read the following sentences carefully and briefly justify the answer: (i) Combustion of…

A: (i) Benzene when heated in the presence of oxygen (air) generates carbon dioxide and water. Benzene…

Q: For the reaction 2Co3+(aq)+2Cl−(aq)→2Co2+(aq)+Cl2(g). E∘=0.483 V what is the cell potential at 25…

Q: What mass of gold can be plated onto an object in 9.18 minutes at 4.91 A of current ? Au^3^+…

Q: A certain metal M forms a soluble nitrate salt M M(NO3)₂. Suppose the left half cell of a galvanic…

Q: Consider the cell: Pt|H₂(g,p°)| HCl(aq)|AgCl(s)|Ag for which the cell reaction is 2AgCl(s) +H₂(g) →…

Q: For the galvanic (voltaic) cell Fe(s) + Mn2*(aq) – Fe2*(aq) + Mn(s) (E° = 0.77 V at 25°C), what is…

Q: For a given equation: 2H2O(l) + Cr3+(aq) Mn2+(aq) → MnO2(s) + 4 H+(aq) + Cr (s) the reaction…

Q: For the reaction 2Co3+(aq)+2Cl−(aq)→2Co2+(aq)+Cl2(g). E∘=0.483 V what is the cell potential at 25…

A: Nernst equation defines the cell's potential in any electrochemical reaction. The cell potential…

Q: M(NO3), :M(NO,. Suppose the left half cell of a galvanic cell apparatus I illed with a 4.50 M…

A: First we will construct cell diagram then we will determine the concentrationsof anode and…

Q: Question-1: Consider the cell, Zn(s)|ZnCl2(0.0020 mol kg)|Hg,Cl2(s)|Hg(1l), for which the cell…

Q: What is the value of potential for the spontaneous reaction that occurs as the cell operates at…

A: Electrochemical cell is device which generate electrical energy by using the chemical reactions…

Q: 3. Molten magnesium chloride is electrolyzed in a cell that operates at 4.5V and 150000A. (a) How…

A: We have to predict the mass of Mg Formed.

Q: For a certain electrochemical reaction, AH° = -77.8 kJ and AS° = -228 J/K. If 6 electrons are…

A: From standard enthalpy and entropy, gibb's free energy can be found out which can be used to find…

Q: and A certain metal M forms a soluble nitrate salt M(NO), Suppose the left half cell of a galvanic…

A: Electrochemical cell is the concentration same in which the same metal act as anode and cathode…

Q: 5. For the cell Cd(Hg)|CdSO4 H2O(s)|Hg;SO4(s)|Hg the emf is given as a function of temperature t…

A: The emf as a function of temperature is given as, => E (V) = 1.01845 - 4.05 X 10-5 X (t - 20) -…

Q: n the temperature range 0-90 ºC , the potential difference of the following cell: Pt (s) | H2 (g, f…

A: The equation that describes the relationship between Gibbs free energy ∆G and emf of cell Ecell is…

Q: In a Li-ion battery the composition of the cathode is LiCoO2 when completely discharged. On…

A: Lithium-ion battery is a rechargeable battery, where lithium ions move from the negative electrode…

Q: 6.105 A piece of lead of mass 121.6 g was heated by an elec- trical coil. From the resistance of the…

A: • The values provided in the question are:- i) Mass of piece of lead, m = 121.6 g ii) Initial…

Q: When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic…

A: Given,Current = 59.0 ATime = 66 sec.Molar mass of lead 207.2 g/mol

Q: 4- The electromotive force of the cell cd/cdcl.2H20, sat. Salution / AgCı | Aq at 25 is o-67533V and…

A: Recall the given reaction, Cd (cr.) + 2 AgCl (cr.) -------> 2 Ag (cr.) + CdCl2 . 2 H2O…

Q: Balance the redox reaction in acidic media for the oxidation of oxalate to determine the mole to…

A: Given reaction: C2O42- (aq) + MnO4- (aq) → CO2 (aq) + Mn2+ (aq) We have to balance this reaction in…

Q: A certain metal M forms a soluble nitrate salt M(NO3)₂. Suppose the left half cell of a galvanic…

A: In the given Galvanic cell, the electrode is the same in both the half-cells which is the metal, M.…

Q: An electric current of 1.5 mA does 0.25 J of work in 1.00 min. How much voltage is driving the…

A: The work done per unit time is also known as power and power is defined as the product of current…

Q: 6. Consider the following cell: Zn(s)|ZnCl;(0.005 mol kg')|Hg,Cl(s)|Hg(1) The cell reaction is…

A: #6: (a): The balanced half-reactions are: Oxidation half-reaction(Anode) : Zn(s) ---> Zn2+(aq) +…

Q: 21. Use the data given below to calculate AG (in kJ/mol) for the following cell reaction at 25 °C:…

Q: A certain metal M forms a soluble nitrate salt M(NO3)₂. Suppose the left half cell of a galvanic…

A: In the given Galvanic cell, the electrode is the same in both the half-cells which is the metal, M.…

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

A: The Nernst equation is often used to calculate the cell potential of an electrochemical cell at any…

Q: A lead storage battery delivers a current of 6 A for one hour and 22 minutes at a voltage of 12 V.…

A: (a)

Q: d) For a thermodynamic process, when ΔΗsys > 0, and ΔSsys7, pH<7, or pH-7)

A: d) For a thermodynamic process, the expression for change in Gibbs free energy is related to change…

Q: PbSO4

A: Pb(s) + PbO2(s) + 2SO42-(aq) + 4H+ = 2PbSO4(s) + 2H2O Current = 6 A Volt = 12 V Time = 1 h 22…

Q: Calculate Ecell for the following concentration cell: Ag(s)׀Ag+(sat’d AgI)║Ag+(sat’d AgCl)׀Ag(s)

A: We can use nernst equation to solve this problem. The cell reaction is given as, Ag(s)׀Ag+(sat’d…

Q: Consider the cell: Pt|H₂(g,p°)| HCl(aq)|AgCl(s)|Ag for which the cell reaction is 2AgCl(s) +H₂(g) →…

A: Solution In natural philosophy, the Josiah Willard {gibbs|chemist} free energy (or Gibbs energy)…

Q: When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic…

A: According to the Faraday's law of electrolysis, the mass of Substance liberated or deposited at any…

Question

Can you please answer question b?

4. a) Calculate the emf (Ecell) of the following concentration cell:
Mg(s) | Mg*(aq, 0.24 M) | KCI(sať’d) | Mg²* (aq, 0.53 M) | Mg(s)
E° (Mg/Mg**) : 2.37 V; R: 8.314 J/V.mol, 1 F: 96500 C/mol
b) When does the Ecell in such concentration cell become zero? Please explain your answer.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: (b) part

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

An aqueous solution of an unknown salt of gold is electrolyzed by a current of 2.75 amps for 3.39 hours. The electroplating is carried out with an efficiency of 93.0%, resulting in a deposit of 21.221 g of gold. a How many faradays are required to deposit the gold? b What is the charge on the gold ions (based on your calculations)?
What is the value of potential for the spontaneous reaction that occurs as the cell operates at 25°C? Ecell = Answer V As the cell operates spontaneously under these conditions, which electrode is the cathode of the cell? Bi Ni Which Electrode loses mass as the cell operates under these conditions? Ni Bi
Calculate Ecell for the following concentration cell: Ag(s)׀Ag+(sat’d AgI)║Ag+(sat’d AgCl)׀Ag(s)
For a standard voltaic cell comprised of a Zn2+|Zn electrode and a Fe2+|Fe electrode, what is the cell potential, in volts?
If a dilute H2 SO4 solution is electrolyzed with copper electrodes, the most likely electrode reactions are 2H ^ + + 2e- = H2 (g) at the cathode and 2Cu (s) + H2O = Cu2O (s) + 2H ^ + + 2e- at the anode. If we observe the formation of 27.4 cm3 of moist hydrogen (751 barometric torrs, 23.3 ° C) at the cathode, what change in weight will there be simultaneously at the anode? Data: Pv H2O 23.3 ° C = 22 torr.Atomic mass: Cu (65); O (16); H (1)
Consider a galvanic cell consisting of the Cr3+/Cr (Eo=-0.74 V) and the Ag+/Ag (Eo=+0.8 V) systems in the half-cells. a) What is the standard cell potential, Eocell, for the galvanic cell in volts (V) and millivolts (mV)?
A lead storage battery delivers a current of 6 A for one hour and 22 minutes at a voltage of 12 V.Pb(s) + PbO2(s) + 2SO42-(aq) + 4H+ → 2PbSO4 (s) + 2H2Oa. How many grams of Pb are converted to PbSO4?b. How much electrical energy is produced in kilowatt hours?
For the reaction 2Co3+(aq)+2Cl−(aq)→2Co2+(aq)+Cl2(g). E∘=0.483 V What is the cell potential at 25 ∘C if the concentrations are [Co3+]= 0.165 M , [Co2+]= 0.800 M , and [Cl−]= 0.272 M , and the pressure of Cl2 is PCl2= 6.70 atm? Express your answer with the appropriate units.
For the reaction 2Co3+(aq)+2Cl−(aq)→2Co2+(aq)+Cl2(g). E∘=0.483 V what is the cell potential at 25 ∘C if the concentrations are [Co3+]= 8.40×10−2 M , [Co2+]= 0.828 M , and [Cl−]= 0.468 M , and the pressure of Cl2 is PCl2= 3.90 atm ?
If 12.3 g of Cu is deposited at the cathode of an electrolytic cell after 5.50 h, what was the current used?
With a ΔΔGo of -550.23 kJ, calculate the equilibrium constant for the reaction at 25.0 oC.
For the reaction 2Co3+(aq)+2Cl−(aq)→2Co2+(aq)+Cl2(g). E∘=0.483 V what is the cell potential at 25 ∘C if the concentrations are [Co3+]= 0.425 M, [Co2+]= 0.384 M , and [Cl−]= 0.337 MM , and the pressure of Cl2 is PCl2= 8.30 atm ? Express your answer with the appropriate units.

SEE MORE QUESTIONS

Recommended textbooks for you

Principles of Modern Chemistry

Chemistry

ISBN:

9781305079113

Author:

David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:

Cengage Learning

General Chemistry - Standalone book (MindTap Cour…

Chemistry

ISBN:

9781305580343

Author:

Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:

Cengage Learning

Chemistry & Chemical Reactivity

Chemistry

ISBN:

9781133949640

Author:

John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:

Cengage Learning

Chemistry: The Molecular Science

Chemistry

ISBN:

9781285199047

Author:

John W. Moore, Conrad L. Stanitski

Publisher:

Cengage Learning

Principles of Modern Chemistry

Chemistry

ISBN:

9781305079113

Author:

David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:

Cengage Learning

General Chemistry - Standalone book (MindTap Cour…

Chemistry

ISBN:

9781305580343

Author:

Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell

Publisher:

Cengage Learning

Chemistry & Chemical Reactivity

Chemistry

ISBN:

9781133949640

Author:

John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:

Cengage Learning

Chemistry: The Molecular Science

Chemistry