How does change of concentration in the electrolyte around anode, and change of concentration in the electrolyte around the cathode affect the value of cell potential? Are there theories behind it? Explain thoroughly.

Q: Why do reference electrodes serve as a probe to measure relative reduction potentials or even detect…

A: Answer - Reference electrodes - A reference electrode is an electrode which has a stable and…

Q: >Why do some electrochemical cells employ inert electrodes such as platinum?

A: In some redox reactions, may be one of the reactant or product and sometimes both reactant and…

Q: Define electrode potential. How is it different from liquid junction potential? How and why is the…

A: A question based on electrochemistry, which is to be accomplished.

Q: Calculate the theoretical potential of the following cells. (In each case assume that activities are…

A: The cell is as follows: Saturated Ag-AgCl reference || Ti³+ (0.0850 M), Ti2+ (0.0450 M) | Pt Cell…

Q: To what pH should you adjust a standard hydrogen electrode toachieve an electrode potential of…

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Q: A molten binary salt, Cal2, is electrolyzed. Write the half reactions that occur and identify which…

A: The binary salt given is CaI2  hence it has cation Ca2+ and anions I-

Q: Explain the significance of the standard hydrogen electrode (SHE) in the tabulation of standard…

A: The standard hydrogen electrode  (SHE) in the tabulation of standard reduction potentials refers to…

Q: Consider the electrolysis of tin (II) sulphate during which tin is deposited at one electrode and…

A: A numerical problem based on electrolysis, which is to be accomplished.

Q: cathode when coupled with a SHE in a galvanic cell. (Hint: What units are required Calculate the…

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

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Q: How you used the starting concentrations of electrolyte solutions to calculate the expected cell…

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Q: Calculate the standard emf of a cell that uses the Mg/Mg2+ and  Cu/Cu2+ half-cell reaction at 25°C.…

A: From Electrochemical series- we have standard reduction potential of Mg2+/Mg and Cu2+/Cu are -2.52V…

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: Molten CaCl, can be electrolyzed to form metallic Ca. For what duration should an electrolysis be…

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Q: Calculate the theoretical cell potential of the following cell. If the cell is short-circuited,…

A: The given cell notation is: Ag(s)|Ag+(aq)(0.0575 M) || H+(aq)(0.0333 M)| O2(g)(1.12 atm), Pt The…

Q: 10. State the direction in which the reaction proceeds and calculate the cell potential for: 2Cr*…

A: The electrode potential is the ability of an electrode to lose or gain electrons is known as…

Q: In a galvanic cell, a full redox reaction takes place, one half-reaction at each electrode. How is…

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Q: Will the electromotive force of the galvanic element Al-Ag change if we add Cl- ions to the Ag…

A: The electric potential produced by either the changing of magnetic field or electrochemical cell is…

Q: 1. What is a cell potential? 2. In what way does a galvanic cell becomes an electrolytic cell?

A: Galvanic cell is the spoteneous redox reaction where chemical energy transferred to electrical…

Q: When building a galvanic cell, what is the importance of the molecule in the anode vs the cathode.…

A: Galvanic cell converts chemical energy into electrical energy. Here Zn rod is dipped in ZnSO4…

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: a. What is the cell notation of the set-up? b. What is the standard cell potential?

A: Here we have to write the cell notation and to calculate standard cell potential of the following…

Q: Describe how to predict the spontaneity of redox reactions, based on overall cell potential as…

A: A question to describe about determining spontaneity, which is to be accomplished.

Q: he table below gives the standard electrode potential values of some electrodes. A salt bridge is…

A: The electrochemical cells are made by connecting two electrodes of different potential. These cells…

Q: What does a large positive standard cell potential imply about the spontaneity of the redox reaction…

A: The potential of an electrode to get reduced at standard conditions of temperature and…

Q: a galvanic cell is constructed of a standard half-zinc element and a chromium electrode immersed in…

A: Given information: Standard half-zinc element

Q: Suppose somebody in the laboratory doesn’t quite turn off the current in an electrolysis cell so…

A: The relation between charge and time is shown below: Q = It where; Q = charge I = current t = time

Q: The redox reaction taking place in a battery cell is as follows: Since the Zn + ² concentration in…

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Q: How does lowering the concentration of the solution in the anode affect the cell potential? How does…

A: A galvanic cell is a electrochemical cell. It supply electric through a redox reaction. It  is…

Q: • The standard reaction free energy AG • The equilibrium constant K at 25.0 °C. • The cell potential…

A: The details solution for this is provided below in attach image. And table is drawn on last page…

Q: In an electrolytic cell, does the reaction of electrolysis of water take place in a standard state?

A: Here we to explain whether the reaction of elctrolysis of water takes place in standard state or…

Q: Show mathematically whether changes in Q have a large effect on Ecell (standard electrode cell )at…

A: Relation of Gibb's free energy with Q: ∆G=∆G∘+RTlnQ This is under non standard conditions. Relation…

Q: How is the cell potential of an electrochemical cell related to the potentials of the half-cells?

A: An electrochemical cell or a galvanic cell is a device that can generate electricity due to the…

Q: Write the cell notation for an electrochemical cell consisting of an anode where Cr (s) is oxidized…

A: In an electrochemical sell there is cathode and anode and the reaction takes place simultaneously .

Q: What is the decomposition potential and how it can be measured?

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Q: Why does the standard cell potential (E) does not change if we multiply the reaction by a number?…

A: The potential of the electrode at 25oC temperature, 1 atm pressure and 1 M concentration is known as…

Q: Explain how a salt bridge can maintain electrical neutrality within the internal circuit of the…

A: Salt bridge is inverted U shaped glass tube filled with strong electrolyte (like NH4NO3) dissolved…

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: Suppose that you want to construct a galvanic cell from nickel and cadmium for a chemistry project.…

A: Given: Reaction: Cd (s) + Ni2+ (aq) →Cd2+ (aq) + Ni (s) half reaction : (oxidation) : Cd(s) →Cd2+…

Q: Will the potential of the galvanic cell change if we add the same amount of water to the electrolyte…

A: Cell potential is given by Nernst equation , which is as: Ecell = Eocell - RTnFlnQ  Cell potential…

Q: Explain the fundamental redox reactions that occur in this battery and calculate the theoretical…

A: In Zinc silver cell there is two half cell reactions occurs :

Q: 11 Explain what are the events that occur at the electrode-electrolyte interface when a small…

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Q: 18. When pH = 7, p(O,) = 100 kPa, O, + 4H" + 4e calculate the electrode potential in according to…

A: 1 bar = 100 kPa [H+] = 10-pH = 10-7 M Nernst equation: EO2/H2O = EO2/H2O° -0.05914log1PO2×H+4…

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Q: A student does an experiment to determine the molar solubility of lead(II) bromide. She constructs a…

A: Electrochemical Potential is the chemical potential of the cell generated through the means of…

Q: Define electrode reactions during electrolysis and identify which of the part/structure are the half…

A: Electrode reactions: The oxidation or reduction reactions that are taking place at respective…

Q: How does change of concentration in the electrolyte around anode, and change of concentration in the…

A: The Nernst equation is used to calculated Ecell of the cell and direction of the spontaneity of the…