An MnO2(s) /Mn2+(aq) electrode in which the pH is 10.30 is prepared. Find the [Mn2+] necessary to lower the potential of the half-cell to 0.00 V (at 25 •C).

Q: Calculate the cell potential for the galvanic cell in which the reaction   Ti(s)+Cu2+(aq)↽−−⇀…

A: Given:  The concentration of Ti2+ is 0.00140 M. The concentration of Cu2+ is 0.875 M. Introduction:…

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: A galvanic cell consists of a cathode with a cadmium electrode in a 0.252 M solution of Cd(NO3)2 and…

A: The concentration of cadmium ions at anode is equal to the concentration of cadmium nitrate solution…

Q: The following galvanic cell is constructed at 273 K. Each aqueous phase reactant and product has a…

A: graphite(s) | X2 (g) | XO4- , H+ || YO3-, YO2- , H+ | graphite(s)

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: A constant current of 0.912 A is passed through an electrolytic cell containing molten MgCl2 for…

A: According to the Faraday's first law of electrolysis, the amount of any substance deposited at the…

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

A: Given, in anode Cr2+ was oxidized to Cr3+ In cathode, Cd2+ was reduced to Cd Concentration of…

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

A: The cell notation for electrochemical celk is given below.

Q: Calculate the potential of the following cells: a. a galvanic cell consisting of lead electrode…

A:

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

A: In cell notation anode is written on left side and cathode on right side.

Q: 5. Calculate the standard cell potential, E cell, for each electrochemical cell at 298K if Keg=1.38…

A: Given data contains, Temperature is 298K. Keq=1.38×10-5n=2

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: A galvanic cell was prepared by immersing an anode and a cathode of the same material (of A type) in…

A: The reactions taking place at anode and cathode respectively are: At anode:  At anode:As → A+ aq M +…

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: 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: Copper is plated onto the cathode of an electrolytic cell containing CuCl2(aq). How long does it…

A:

Q: Given that the standard electrode potentials (E°) of metals are :K+/K = -2.93 V, Ag+/Ag = 0.80 V,…

A: Lower the value of reduction potential, stronger the reducing agent and higher the value of…

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

A:

Q: The galvanic cell Zn(s) | Zn2+(aq) | | Ni2+(aq)| Ni(s) is constructed using a completely immersed…

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

Q: How long will it take to produce 78 g of Al metal by the reduction of Al* in an electrolytic cell…

A:

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

A:

Q: Consider a battery made from one half-cell that consists of a copper electrode in 1 M CuSO4 solution…

A: Every battery can be considered as voltaic cell. At anode, oxidation takes place and at cathode,…

Q: Consider the following galvanic cell at 25°C:Pt|Cr2+(0.30M),Cr3+(2.0M)||Co2+(0.20M)|CoThe overall…

A:

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: For the reduction of MnO,¯ to Mn²* in aqueous acid, ɛ° = 1.51 v. For the reduction of I, to 21- in…

A: Answer:- This question is answered by using the simple concept of electrochemistry which involves…

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: Copper can be electroplated at the cathode of an electrolytic cell by the half-reaction: Cur"(aq) +…

A: Given, The mass of copper is 325 mg. The current is 5.6 A. The given reaction is,

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

A:

Q: How long, in minutes, will it take to produce 370.0 g of pure lithium by running a current of 330 A…

A: Given, Current passing = 330 A Mass of Li = 370.0 g  Molar mass of Li = 6.94 g/mol

Q: If the following half-cells are the right-hand electrode in a galvanic cell with a standard hydrogen…

A: Given information: a) Ag |AgI(sat’d), KI(0.0898 M) b) Pt |Sn2+(0.0893 M), Sn4+(0.215 M) c)…

Q: ulate the potential of the following cells: a galvanic cell consisting of a lead electrode on the…

A:

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: Calculate the actual cell potential if you have a 1 M solution of MgSO4, but only a 0.5 M solution…

A:

Q: How long ( hours) would it take to unload 0.433 moles of vibranium (Vb) metal during electrolysis of…

A: We have to calculate time needed for electrolysis  Molar mass of Tr not provided so only 1st…

Q: A cell is set up with copper and lead electrodes in contact with CuSO4(aq), and Pb(NO3)2(aq). If…

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 reaction given is Hence in the above reaction, Cr3+ is being reduced to Cr and Ca is being…

Q: A voltaic cell employs the following redox reaction: 2 Fe³+ (aq) +3 Mg (s) → 2 Fe (s) +3 Mg²+ (aq)…

A: Given- 2Fe+3 (aq) + 3 Mg (s)  → 2Fe (s) + 3 Mg2+(aq)   Oxidation half reaction = 3 Mg (s) →3…

Q: A galvanic cell is constructed using the following half-reactions at 298 K. Given Kf = 1.0 x 10^8…

A: Given formation constant for MX42+(aq) , Kf = 1.0*108  Since Kf >> 1, formation of MX42+(aq)…

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: For the reduction of MnO4− to Mn2+ in aqueous acid, ε⁰ = 1.51 v.For the reduction of I2 to 2I− in…

A: The question is based on the concept of electrochemistry. it involves the formation of a galvanic…

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: iWhat is the cell potential of reaction below at 298 K? AL9) + Cu aq) Al aq) + Cus) E cell =3.0v…

A:

Q: If an electrolysis plant operates its electrolytic cells at a total current of 150. A, how long, (in…

A: According to Faraday's First Law of Electrolysis, The amount of product deposited is directly…

Q: A voltaic cell (also called a galvanic cell) was constructed by connecting two beakers with a salt…

A: Given: Standard half-cell reduction potentials:Fe2+(aq)  +  2e-  ----->  Fe(s)     E o  =  -0.45…

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: products

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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: a galvanic cell is constructed from a standard hydrogen electrode and from another hydrogen…

A: A numerical problem about galvanic cell constructed using two Hydrogen electrodes.

Q: A voltaic cell employs the following redox reaction: 2 Fe+ (aq) + 3 Mg (s) → 2 Fe (s) +3 Mg²+ (aq)…

A: Given values [Fe^3+]=2.00M.     ,.   [Mg^2+]=1.6×10^-3M Nernst equation --> Ecell = E°cell -…

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

A: