half-reactions

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 20* (aq) +…

A: 2 Cr3+ (aq) + 3 Ca (s) → 2 Cr (s) + 3Ca2+ (aq)E°Cr3+Cr  = -0.74V and E°Ca2+/Ca   = -2.87V E°cell =…

Q: Given the standard reduction potentials for an element A, at 25 °C: А2"(аg) + е > A (ag) E1° = 1.09…

A: Standard cell potential is an intensive property which does not depend on amount or mass of the…

Q: The equilibrium constant, K, was found to be 3.8 x108 at 25°C for the following reaction, 2X(s) +…

A: For the given reaction:  2X(s) +  3Y2+(aq)  →2X3+  + 3Y(s) As the charges are equal on both sides.…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: Cu²* (aq)+…

A: The reaction given is, Cu2+aq+Zns→Cus+Zn2+aq Cu2+ is being reduced to Cu and Zn is being oxidised to…

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

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

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

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

A: The given reaction is, 2Cr3+aq+3Cas→2Crs+3Ca2+aq The half cell reactions and their standard…

Q: NO3 + H* + Zn → Zn²+ + NO2 + H2O

A: Given skeletal equation is: NO3-+H+ +Zn →Zn2++NO2 +H2O Calculate its standard cell potential(Eo) and…

Q: Write the cell notation for an electrochemical cell consisting of an anode where Cr2* (aq) is…

A: Answer:

Q: Calculate the equilibrium constants of the following reactions at 25°C from standard potential data…

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

A: At anode, oxidation takes place. At cathode, reduction takes place.

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

A: NOTE:  “Since you have posted a question with multiple sub-parts, we will solve first three subparts…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2+ 210, (aq)…

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Q: S. Given the following reduction half-reactions at 298 K: Half-Reaction E (V) at 298 K Fe" (aq) + e→…

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

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

A: The oxidation and reduction half cells are as follows: Oxidation: 3Ca (s) →3 Ca+2     E0= -2.87…

Q: Calculate the Gibbs free energy, AG°, for a galvanic cell whose two half-reactions: Mt3+ (aq) +3…

A: Mt is getting reduced and R is getting oxidized in the above reaction. Electrode potential at…

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

A: In this question, we will write cell notation for given anode and cathode half cell Reaction. How we…

Q: The cell potential of the following electrochemical cell is determined by using an unspecified…

A: We have find out the answer.

Q: Write the cell notation for an electrochemical cell consisting of an anode where H2 (g) is oxidized…

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

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

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Q: When an aqueous solution of potassium iodide is electrolyzed using platinum electrodes, the…

A: 8.15mA current flows which is equal to 0.00815A time is 12.6min = 756s The molar mass of I2 =…

Q: Given the following two half-reactions, write the overall balanced reaction in the direction in…

A: The given data : To determine = a)The overall balanced reaction in spontaneous direction. b) The…

Q: In one process used for electroplating silver, a current of 10.23 A was passed through an…

A: Dear student, this question is related to electroplating process.

Q: Write the cell notation for an electrochemical cell consisting of an anode where Cr2+ (aq) is…

A: In the standard cell notation, the single vertical line represents the phase boundary and the double…

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

A: The cell reaction taking place is given as, => Sn2+ (aq) + Ba (s) -------> Sn (s) + Ba2+ (aq)…

Q: Write the cell notation for an electrochemical cell consisting of an anode where Fe2+ (aq) is…

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Q: What is the cell potential for the following reaction at room temperature?                Al(s) │…

A: At anode half cell.Al(s)→Al3++3e-..........1At cathode half cell.Cu2++2e-→Cu(s)........2multiplying…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 210, (aq) +…

A: Oxidation is lose of electrons. Reduction is gaining of electrons. Galvanic cell is an…

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

A: Given reaction is ,           2Cr3+(aq) + 3Ca(s)----> 2 Cr(s) +3 Ca2+(aq) Nernst equation for the…

Q: What is the pH of the solution of the cathode for the following cell if the measured cell potential…

A: pH means the negative logarithm of hydronium ion. pH =-log(H+).

Q: Write the cell notation for an electrochemical cell consisting of an anode where Cr2+ (aq) is…

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

A: In an electrochemical cell, the electrical energy is produced from the spontaneous cell reaction at…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: Cu?* (aq)…

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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: Write the cell notation for an electrochemical cell consisting of an anode where Fe2+ (aq) is…

A: Answer is explained below. According to the question,  At anode : Fe2+ (1M) | Fe3+ (1M) At cathode :…

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 3Cu*…

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Q: Calculate the cell potential for the following reaction that takes place in an electrochemical cell…

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Q: Consider the following reaction and its AG" at 25.00 °C. Mg(s) + Ni" (aq) – Mg²* (aq) + Ni(s) AG =…

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Q: Consider the reaction below: 2 Ag(aq) + +Fe(s) → 2 Ag(s) + Fe^2+(aq) ΔG° = −241.0kJmol a.…

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Q: Which of the following statements is true concerning the electrochemical cell described below at…

A: The given cell is a concentration with the standard emf, E°cell = 0 At anode: Cu →Cu2+ + 2e-At…

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

A: Cell notation is a way to represent an electrochemical cell with anode and cathodes.

Q: The standard cell potential for the aqueous reduction of Pb4+ to Pb2+ ions by the corresponding…

A: The equilibrium constant of a reaction can be related with the standard cell potential as follows:…

Q: Consider the following reaction and its AG° at 25.00 °C. 2 Ag*(aq)+Cu(s) → 2 Ag(s) + Cu2+(aq) AG° =…

A: ∆G = -88.66 KJ/mol = -88660 J/mol  Temperature (T) = 25°C = 25+273 = 298 K  R = 8.314 J/mol.K  Keq =…

Q: Given the following two half-reactions, write the overall reaction in the direction in which it is…

A: We have to tell which option is correct from given choices of options by telling correct product…

Q: Given the following two half-reactions, write the overall reaction in the direction in which it is…

A: We have to write the overall reaction in the direction in which it is product-favored, and calculate…

Q: What is the maximum electrical work obtainable from this cell when 0.150 g of Al is consumed?

A: Provided data :- E°cell = 1.63 V  Cell reaction :- Al(s) + Cr3+(aq) -> Cr(s) + Al3+(aq) It means…

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

A: For a.) Adding these 2 eqn we get,

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 3Cu*…

A: