The free energy

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

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Q: free energy change

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

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Q: The cell potential for the standard galvanic cell shown above is +1.56V. If AgNO3(aq)|Ag(s) is…

A: Initially, At cathode:   E°AgNO3/Ag=+0.80 V      (reduction)At anode :    E°Zn(NO3)2/Zn=-0.76 V…

Q: Cr3+(aq)  +  3e- = Cr(s)                          -0.763 V Au+(aq)  +  e-  = Au(s)…

A: GIVEN:- Cr3+(aq)  +  3e- = Cr(s)                          -0.763 V Au+(aq)  +  e-  = Au(s)…

Q: The standard cell potential for the reaction provided below is 0.301 V, (where X is a non-metal…

A: Interpretation -  To determine the cell potential when there are 14.6 g of X,  PH2 =  2.99atm, and…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2VO (aq) +…

A: Given, 2VO2+(aq) + 4H+(aq) + Fe(s) --------> 2VO2+(aq) + 2H2O(l) + Fe2+(aq)  [VO2+] = 1.50 M…

Q: The standard cell potential for the reaction provided below is-2.431V, calculate the cell potential…

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Q: Consider the following reaction and its AG° at 25.00 °C. Fe2+ (aq)+Zn(s) → Fe(s) + Zn²*(aq) AG° =…

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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: A. Calculate the standard free-energy change at 25 ∘C for the following reaction:…

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Q: Consider the cell, Zn(s)|ZnCl2(0.0050 mol kg−1)|Hg2Cl2(s)|Hg(l), for which the cell reaction is…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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

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Q: An electrochemical cell utilizes the following redox process at 25oC: Sn2+(aq) + X(s) → Sn(s) +…

A: Given E°cell = 0.14 V Sn2+ (aq) + X(s) → Sn(s) + X2+ (aq) E°Sn2+/Sn = -0.14

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: Devise a cell in which the cell reaction is Mn(s) + Cl2(g) → MnCI, (aq). Give the half-reactions for…

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Q: Use the Nernst equation to determine the cell potential, Ecell, of the galvanic cell consisting of…

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Q: By what ratio will Q change if the cell potential is increased by 0.63 V? Assume v = 1 and the…

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

Q: For the standard cell potentials given here, determine the ΔG° for the cell in kJ.(a) 0.000 V, n =…

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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: cell potential

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Q: What is the calculated value of the cell potential at 298K for an electrochemical cell with the…

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

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Q: Calculate the standard free-energy change, in kilojoules, at 25 °C for the reaction 2 Ag* (aq) + Zn…

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

A: [Cr2+] = 0.00190 M [Au3+] = 0.824 M ->Answer may differ slightly because values of standard…

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: The standard potential of the cell formed by combining the Cl2/Cl- (aq) half-cell with the standard…

A: In order to found the individual reduction potential of a half-cell, the need for standard electrode…

Q: The free energy change for the following reaction at 25 °C, when [Cd2+] = 3.67×10-3 M and [Ag+] =…

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

Q: Consider the following reaction at 298K. 2Fe3+(aq) + 2I-(aq)------>2Fe2+(aq) + I2(s) The standard…

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Q: * :For Electrode Potentials The potential difference between the electrodes of the cell cannot be…

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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: Consider the following electrochemical cell notation with a cell potential of 0.300 V. Pt ∣Cr3+(aq,…

A: NOTE : There is a minor correction in the cell notation given. As per the rules, the specie which is…

Q: Calculate the cell potential for the galvanic cell in which the reaction. Ti(s) + Cu²+ (aq) Ti²+…

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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: 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: Calculate the cell potential for the galvanic cell (in volts) in which the following reaction occurs…

A: In order to figure the cell potential of any reaction in an electrochemical cell, first derive…

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

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

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Q: For the reaction 2Co3+(aq)+2Cl−(aq)→2Co2+(aq)+Cl2(g).  E∘=0.483…

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

A: The balanced redox reaction can be written as: MnO4- + 8H+ + 5e-  →  Mn2+ + 4H2O (Reduction)5Ce3+  →…

Q: In what way does a galvanic cell become an electrolytic cell? What is the difference between…

A: (1) Galvanic cell work on an spontaneous electrochemical Reaction in which Chemical energy is…

Q: Consider the following reaction at 298K. Hg2+ (aq) + Ni(s)→→→→→ Hg(l) + Ni²+ (aq) The standard Gibbs…

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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 =…