By what ratio will Q change if the cell potential is increased by 0.63 V? Assume v = 1 and the reaction takes place at 30 ̊C.

Q: The equilibrium constant of a cell with a cell potential of 0 V is (А) 1 B ) 2 D ) 0.5

A: The solutions are given below -

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

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

A: The questions are based on the concept of redox reactions.   Redox Reaction  are those reactions in…

Q: A galvanic cell whose cell reaction is 2Fe3+(aq) + Zn(s) → 2Fe2+(aq) + Zn2+(aq) has a cell potential…

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Q: How many moles of oxygen, O 2, will be produced by the electrolysis of water with a current of 1.5…

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Q: If the free energy of an electrochemical process is +12 kJ/mol and n=3, what is the standard cell…

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Q: A Cr(s) | Cr(aq)|| Fe*(aq) | Fe(s) galvanic cell has a standard cell potential of 0.700 V. Calculate…

A: We have find out the ∆G and maximum amount of work done by the cell on the surrounding.

Q: How long must a constant current of 50.0 A be passed through an electrolytic cell containing aqueous…

A: The balanced chemical equation for the reduction of copper is: Thus, for the production of 1 mole…

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

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Q: How is equilibrium constant of a reaction related to standard cell potential?

A: How is equilibrium constant of a reaction related to standard cell potential?

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: Calculate the standard cell potential, Ecell, for this reaction at 298 K. 2 (s) + 2 Br (aq) --> 21…

A: To find :  E°cell = ? Formulae used :  ∆G° = -nFE°cell  ∆G° = - RT lnK  Thus,  -nFE°cell = - RT lnK…

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

A: Given , valence factro(v) = 2 T = 298 K Q is decreased by 10 Using Nernst's equation,  E1 = E° -…

Q: Given the reaction    4 Al(s) + 3O2(g) ===>  2Al2O3(s), write the half reactions and calculate…

A: The reaction given is, => 4 Al (s) + 3 O2 (g) --------> 2 Al2O3 (s)

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: The cell potential for a given reaction is -0.04 V. Calculate the Gibbs energy and equilibrium…

A: 1.) Gibbs free energy can be calculated using given cell potential using formula : ∆G = - nFEocell…

Q: 4. Calculate the Gibbs Free-Energy and the standard Gibbs Free- Energy by the cell in the given cell…

A: Given : [Zn+2]  = 4.0 x 10-3 M  [H2] = 0.010 M  [H+] = 1.0 M  Also,  E°Zn+2/Zn = - 0.76 V  E°H+/H2 =…

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

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Q: What is the definition of the standard cell potential ? What does a large positive standard cell…

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

Q: The voltaic cell below has a standard potential, E°cell of +0.76 V and its cell potential, Ecell at…

A: Given data,Temperature=25oCEcell=0.54VEocell=0.76V[Zn2+]=1.0M

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: The galvanic cell made up of cobalt, copper, and their M2+ ions, has a standard cell potential of…

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

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

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

Q: Explain Standard Electrode Potentials?

A: If the temperature is 298 K and the pressure is 1 atm,then these are known to be the standard…

Q: 3. For the reaction: Zn(s) + 2Ag (aq)-Zn2(aq) 2Ag(s).. a. Determine the standard cell potential. b.…

A: Standard cell potential: E°cell =E°reduction -E°oxidation Where E°reduction = standard reduction…

Q: A fuel cell is constructed in which both electrodes make use of the oxidation of methane. The…

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

A: E°cell = 2.5122 V

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: 4H* + 4e + O2 -> 2 H2O, E• = + 0.82 V NAD* + H* + 2e -> NADH, E• = -0.32 V applied to the…

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Q: At 298 K a cell reaction has a standard cell potential of +0.17 V. The equilibrium constant for the…

A: Given: T = Temperature in K = 298 K E = standard emf = 0.17 V K = equilibrium constant = 5.5 X 105…

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

A: Gibbs free energy (ΔG) gives information about the direction of the reaction. If ΔG is negative, the…

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: At 298 K a cell reaction has a standard emf of +0.18 V. The equilibrium constant for the cell…

A: Since the relationship between equilibrium constant and cell emf is given by  nFE = RTln(k) where n…

Q: A galvanic cell whose cell reaction is 2Fe 3+(aq) + Zn(s) → 2Fe2+(aq) + Zn2+(aq) has a cell…

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Q: f the potential of a galvanic cell is +1.20 V, what is the Gibbs free-energy change when one mole of…

A: Given  potential of a galvanic cell is +1.20 V when one mole of electrons is transferred in the…

Q: Consider the following electrochemical cell notation with a cell potential of 1.22 V. Pt(s) ∣ H2(g,…

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

A: The considered cell reaction is, Zn s + 2H+(aq) →Zn2+(aq) + H2 g

Q: A particular galvanic cell has a standard cell potential of Eocell = 0.62 V. If the Eo of the…

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Q: At 298 K a cell reaction has a standard cell potential of+0.17 V. The equilibrium constant for the…

A: At 298 K a cell reaction has a standard cell potential of +0.17 V. The equilibrium constant for the…

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

A: The question is based on the concept of electrochemistry.   the electrode which has higher reduction…

Q: The oxidation of methanol, as described by the equation below, has a ΔG° value of -937.9 kJ/mol.…

A: Given Oxidation of Methanol 2 CH3OH (l) + 3 O2 (g) → 2 CO2 (g) + 4 H2O (l)∆Gcell° = -937.9 kJ/mol =…

Q: The standard cell potential is a thermodynamic state func-tion. How are E° values treated similarly…

A: The standard cell potential is a thermodynamic state function. Hence similar to other state…