7. Calculate the standard reduction potential and the standard free-energy change for each of the following coupled oxidation-reduction reactions. (a) Acetaldehyde + NADH + H → Ethanol + NAD (b)UQH2 + 2 Cytochrome c (Fe") → UQ + 2 Cytochrome c (Fe")+2 H (c) Succinate + ½ 02 Fumarate + H2O

Q: A solution of nickel(II) ion (Ni2+) is electrolyzed using a current of 15.0 A (amperes) for 25.0…

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Q: The free energy change for the following reaction at 25 °C, when [Cu2+] = 1.11 M and [Cr3+] =…

A: The considered reaction is, 3 Cu2++ 2 Cr(s) →3 Cu (s) + 2 Cr3+

Q: Define Galvanic Series.

A: Galvanic series has to be defined. The galvanic series is predominant for selection of material to…

Q: An important reaction in the production of energy from sugars (glycolysis) is the reduction of…

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Q: The free energy change for the following reaction at 25 °C, when [H+] = 1.15 M and [Co²+] = 0.00897…

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Q: Determine the value of Ecell∘, K, ΔGrxno for the reaction

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Q: Calculate the standard cell potential at 25°C for the following cell reaction from standard free…

A: The question contains more than one question so only the first one is solved here, if the other one…

Q: At 298 K, AG° = +20.9 kJ/mol for the reaction CH;CO,H (aq) = H (aq) + CH;CO, Calculate AG for this…

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Q: The standard state free energy of hydrolysis of phosphocreatine is ΔG° = -42.8 kJ/mol.…

A: Given: Temperature(T) = 200C = 20 + 273K = 293K                       ∆G° = -42.8 kJ/mol…

Q: he observed cell potential for a voltaic cell is 2.067 V when the temperature is 298 K and the…

A: Electrochemistry is the branch of chemistry which studies the change of chemical energy into…

Q: The free energy change for the following reaction at 25 °C, when [Cu2+] = 1.19 M and [Cr3+] =…

A: The cell reaction given is, => 3 Cu2+ (aq) + 2 Cr (s) ↔ 2 Cr3+ (aq) + 3 Cu (s) Given: [Cu2+ ] =…

Q: Calculate ΔG° for the electrochemical cell Pb(s) | Pb ⁺²(aq) || Fe ⁺³(aq) | Fe ⁺²(aq) | Pt(s) A)…

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Q: The following cell Ag | Ag+(0.10M) || Ag+(1.0M) | Ag is a concentration cell and is capable of…

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Q: Consider the following galvanic cell reaction at 25 oC, 4 Cr2+(aq) + O2(g) + 4 H3O+(aq) → 4 Cr3+(aq)…

A: Nernst equation: The Nernst equation relates to the reduction potential of an electrochemical…

Q: . The reaction Si(s) + 2 H2(g) ⇌ SiH4(g) is spontaneous at 298 K. The standard enthalpy of reaction…

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Q: The standard voltage, Eº, for the reaction of Zn(s) and Cl₂(g) is 2.12 V. What is the standard Gibbs…

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Q: The free energy change for the following reaction at 25 °C, when [Pb2+] = 1.17 M and [Ni2+] =…

A: The energy which are used in reaction  to  do work is known as Gibbs free energy.

Q: Calculate the value of ΔG∘rxnΔGrxn∘ for the following reaction at 294 K.  Ka = 2.9 × 10–8 and assume…

A: The reaction given is, => HClO (aq) + H2O (l) -----------> ClO- (aq) + H3O+ (aq)…

Q: The free energy change for the following reaction at 25 °C, when [Sn2+] = 1.13 M and [Ni2+] =…

A: The Gibb's free energy is given as, ∆G=-nFEcell0 where n is the number of electrons and Ecell0 is…

Q: When the reaction A⇌B is at equilibrium, keq is 1 x 10-4 at room temperature (25C). In a reaction…

A: The equilibrium constant of a chemical  reaction is the value of the reaction quotient when the…

Q: The free energy change for the following reaction at 25 °C, when [H+] = 1.14 M and [Cr3+] =…

A: We know from the relation that ∆G=-nFEcell where ∆G=Free energy change F=Faraday constant Ecell=Cell…

Q: Consider the balanced reaction: 2Cr3+(aq)+3PbO2(s)+6H2O(l)→2CrO42-(aq)+3Pb2+(aq)+4H3O+ (aq) i. At…

A: Answer for first sub-question: We calculate the change in the standard free energy change by using…

Q: what is the standard cell potential (in Volts) for a a galvanic cell that can do 567 kJ of work. The…

A: The solution is as follows :

Q: Use data to compute AG° at 89.0°C for the following reaction. 3N2H4() + 403(g) → 6NO(g) + 6H2O(1)…

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Q: Write the equilibrium constant expression, K, for the following reaction taking place in dilute…

A: Answer :-  Equilibrium constant expression for the reaction HNO2(aq) + H2O(l) → H3O+(aq) + NO2-(aq)…

Q: calculate the standard reaction free energy ΔG0 for the following redox reaction. 3Zn(s) +…

A: The electrode which is having a higher reduction potential gets reduced at the cathode while the…

Q: Electrolysis of an aqueous solution of sodium chloride produces chlorine, . The reaction that occurs…

A: Give that: the reaction of anode is: 2Cl- (aq) →Cl2 (g) + 2e- Mass of Cl2 produced, w =182 g, time…

Q: Calculate ArH for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and…

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Q: 11. Given, Cd(s) + 2H*(aq) Cd2 (aq) + H2(g) State the effect on the cell potential, Ecell When the…

A: Answer:- This question is answered by using the simple concept of calculation of cell potential…

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: AG = AG° + RT · In(Q) ΔΕ ΔΕ. - (E) · In(Q) Half Reaction (Note: All given as reduction) E° (V) 02…

A: Answer:- In an electrochemical cell, the electrode which has positive standard reduction potential…

Q: The standard state free energy of hydrolysis of phosphocreatine is ΔG° = -42.8 kJ/mol.…

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…