what is the relation between standard electrode potential and standard Gibb's free energy ?

Q: Calculate the cell potential of Cu-Fe galvanic cell at the following conditions: i) Standard…

A:

Q: The dichromate ion, Cr2O72-, in acidic solution is a common oxidizing agent for organic compounds.…

A:

Q: By how much does the cell potential change when Q is decreased by a factor of 10 for a reaction in…

A:

Q: A constant current is passed through an electrolytic cell containing molten MgCl2 for 18.0 h.If…

A: According to Faraday's first law, when a certain amount of current flows through an electrolyte, the…

Q: Give an interpretation of a cell potential with a non-spontaneous reaction and a positive ΔG value

A: The relation between Gibbs free energy and Cell potential is as follows, ∆G°=-nFEcell° where, n is…

Q: The following half-reactions were combined to construct a new galvanic cell. What is the standard…

A: Given-> [AuBr4]-(aq) + 3e- --------> Au(s) + 4Br-(aq).   E°=0.854 V Au3+(aq) + 3e- ------->…

Q: The table below gives the standard electrode potential values of some electrode. What standard…

A: The potential of all electrodes are measured by comparing their potential to that of standard…

Q: Consider the following reaction at 298K. 2Fe³+ (aq) + Fe(s) 2Fe2+ (aq) + Fe²+ (aq) The standard…

A:

Q: Determine the non-standard potential of the cell below, set up at 340 K:

A: Given: cell notation

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: Which reference electrode is used to measure the electrode potential of other electrodes?

A: A reference electrode is an electrode which has a stable and well known electrode potential.

Q: Use the tabulated electrode potentials to calculate K for the oxidation of zinc by H+ (at 25 ∘C):…

A: The Nernst equation at 298 K is as follows,                                     E = Eo - 0.0592n…

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

A:

Q: Calculate for the standard cell potential, Eo, for the cell.

A: Answer

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: state and explain Faraday’s laws of electrolysis. What is Electrochemicalequivalent?

A: Faraday’s first law of electrolysis states that the mass of the substance accumulated or released at…

Q: Define what is meant by standard cell.

A: Given term,     Standard cell

Q: the terms cell potential and electromotive force mean the same thing in electrochemical cells?

A:

Q: Given the standard cell potential for this cell is 0.115 V, and the measured cell potential is…

A: The standard reduction potential is measured under the following conditions as the 298 K…

Q: 1. Calculate the emf generated, Gibbs Free-Energy and the standard Gibbs Free-Energy by the cell in…

A:

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

A:

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: Given the following reactions, find the standard cell potential. Anode: NO3- + 2H+ + e- --> NO2 +…

A:

Q: What does a negative standard cell potential imply about the reaction?

A: The potential difference between the cathode and anode half cell under the standard conditions of…

Q: What the standard potential of an electrode of a cell containing the Sn²⁺/Sn and Br₂/Br⁻¹ couples?

A: The standard reduction potential of Sn2+ is -0.14 V. The standard reduction potential of Br2 is…

Q: How are standard electrode potentials measured?

A: Standard electrode potential is referred to Eo of a cell and is in an electrochemical cell at a…

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: +6H20

A:

Q: Calculate the standard cell potential for this reaction.

A: Here, we have to find the standard cell potential for the given reaction using the standard…

Q: For the galvanic cell  2Ag+ + Cr  →  2Ag + Cr2+,  which equation allows you to correctly calculate…

A: E°cell = 2.5122 V

Q: Calculate the standard potential for the cell.

A: The first step is to determine the cell potential at its standard state — concentrations of 1 mol/L…

Q: Derive the Voltage of a Lithium-Ion Battery and recognize how voltage, chemical potential, and Gibbs…

A: A battery is an electrochemical device.  When placing metals of different affinities into an acid…

Q: 3. Assuming standard states for all reactants and products, determine the spontaneous direction of…

A: The reactions given are, 1) Cu + 2 HCl → CuCl2 + H2  2) Ag + FeCl3 → FeCl2 + AgCl

Q: = standard potential of the cell, E°cell?

A:

Q: Balance the following reaction. Calculate the cell potential and Gibbs free energy of this reaction…

A: We have given that    the balanced chemical equation                    Cl2  + 2Br-  → Br2  + 2Cl-…

Q: The relationship between the change in Gibbs free energy and the emf of an electrochemical cell is…

A: Electric work is product of charge passed through electric cell and cell potential. So, electrical…

Q: For the ΔG° values given here, determine the standard cell potential for the cell.(a) 12 kJ/mol, n =…

A: The standard cell potential(E0cell)is the potential difference between cathode and anode measured at…

Q: Draw a galvanic cell consisting of a chromium and cobalt electrode and calculate the standard cell…

A:

Q: Give the reason why it is necessary to use hydrogen as a standard to define the standard potential…

A: A standard electrode is an electrode used as a reference in electrochemical reactions and this…

Q: How long (in hours) must a current of 5.0 amperes be maintained to electroplate 60g of calcium from…

A: Given that, Weight of Moltan CaCl2  w = 60 g Current I = 5 A How much time of current maintained by…

Q: Balance the following reaction. Calculate the cell potential and Gibbs free energy of this reaction…

A:

Q: For the delta Go values given, determine the standard cell potential for the cell. 12 kJ/mol, n=3…

A: According to the equation,∆G° = - n F E° where F = 96500 and E° is Standard Reduction Potential. 1.…

Q: In electroplating operation, the cell potential is sometimes 0V. Why is zero potential possible in…

A: Electroplating is the process of coating metal using an electric current. This is mainly for the…

Q: By how much does the cell potential change when Q is increased by a factor of 5 for a reaction in…

A: Formula  Ecell = Ecello -0.05913logQ  E2-E1 = -0.05913 ( logQ2 -logQ1)              =  -0.05913 (…

Q: Calculate the standard free-energy change of a voltaic cell with a potential of 0.35 V under…

A: Given data: E0cell = 0.35V no of moles(n) = 2moles of electron formula used: ∆G0 = -nFE0cell  Where…

Batteries

A battery is simply an electrochemical cell or group of cells that generate electric current. Batteries are the devices that generate current using redox reactions. These reactions proceed by the transfer of electrons. An ideal battery or cell should produce a constant voltage. A battery should actually be light in weight.