77. A voltaic cell consists of a Zn/Zn half-cell and a NI/NI half-cell at 25s C. The initlal concentrations of NI and Zn are 1.50 M and 0.100 M, respectively. a. What is the initial cell potential? b. What is the cell potential when the concentration of Ni has fallen to 0.500 M? c. What are the concentrations of Ni and Zn when the cell potential falls to 0.45 V?

Q: A galvanic cell is constructed with a copper electrode dipping into a 0.023 M solution of Cu2+ ions,…

A: Given that, Galvanic cell constructed with to half cells  Cu/Cu2+ is one electrode and Mg/Mg2+ is…

Q: A voltaic cell is constructed with two Zn 2+-Zn electrodes, where the half-reaction is Zn2+ + 2e-…

A: In concentration cell we used same electrodes here Zn2+ / Zn electrode but at different…

Q: A voltaic cell is constructed with two Zn2+-Zn electrodes, where the half-reaction is Zn2+ + 2e- →…

A:

Q: Calculate the cell potential for the reaction as written at 25.00 °C, given that [Zn2+]=0.825 M and…

A: Answer = 0.464 V

Q: Calculate the cell potential for the reaction as written at 25.00 °C, given that [Zn2+]=0.763 M and…

A: The cell potential (E) of an electrochemical reaction in A and B reacts to furnish C and D…

Q: Calculate the cell potential for the reaction as written at 25.00 °C , given that [Mg2+]=0.874 M and…

A: According to the Nernst equation, the cell potential is given by  Ecell = E0cell - (0.0591/n) log(Q)…

Q: Calculate the cell potential for the reaction as written at 25.00 "C, given that [Zn²+] = 0.795 M…

A: Given - [Zn2+] = 0.795 M             [Ni2+] = 0.0180 M             Temperature = 25.00°C

Q: (a) Define molar conductivity of a substance and describe how for weak and strong electrolytes,…

A: The molar conductivity is to be define, and how for weak and strong electrolytes, molar conductivity…

Q: Calculate the voltages of the following voltaic cells under the conditions specified: a) Cd…

A: (a) The given cell reaction is : Cd2+(0.020 M)+Zn(s) →Zn2+(0.50 M) +Cd(s)

Q: 19.77 The cell reaction NiO2 (s) + 4H* (ag) + 2Ag (s) → Ni²+ (ag) + 2H2O+2Ag* (aq) has E = 2.48 V.…

A: The cell potential, Ecell, is a calculation of the potential difference between two-half cells in an…

Q: Calculate the cell potential, E, for the given reactions at 25.00 °C using the ion concentrations…

A: Here we are required to find the cell potential of the given two electrochemical reaction

Q: (a) How many moles of mercury will be produced by electrolysing 1.0 M Hg(NO3)2 solution with a…

A: a.

Q: A rechargeable battery is constructed based on a concentration cell constructed of two Ag/Ag*…

A: The more dilute solution is of anode and more concentrated solution is of cathode. Since…

Q: 18.39 Consider the following galvanic cells: 1. Cu(s)|Cu²*(1 M) || Fe³*(1 M), Fe²*(1 M)|Pt(s)

A: The balanced chemical reaction is the one that contains equal number of atoms on both sides of the…

Q: 6. An example of the type of cell described in question 5 can be represented as Mg(s) Mg (0.025 M)…

A: Given-> Mg(s)/Mg2+(0.025M)//Mg2+(1.5 M)/Mg(s)

Q: A galvanic cell is made using 0.25M of Zinc Sulfate and an unknown amount of copper (II) sulfate.…

A: The reaction for the Zn-Cu galvanic cell is given as:Zn (s) + Cu2+ (aq) → Zn2+ (aq) + Cu (s)The cell…

Q: iv Write the potential for each half-reaction next to it (the values are in your text) V Calculate…

A: the cell potential is defined as the difference between the potential of the two half cell in an…

Q: Calculate the cell potential for the reaction as written at 25.00 °C, given that [Cr²+] = 0.806 M…

A:

Q: Calculate the cell potential for the reaction as written at 25.00 °C, given that (Zn+) = 0.773 M and…

A:

Q: A galvanic cell is constructed that carries out the reaction Pb?* (aq) + 2 Cr²* (aq) → Pb(s) + 2…

A: It is given that the concentration of Pb2+ is 0.15 M and the concentration of Cr2+ is 0.20 M and the…

Q: a galvanic cell composed of a cathode consisting of a gold electrode in a 0.55 M Au(NO3)3 solution…

A:

Q: 59. Consider the concentration cell shown below. Calculate the cell potential at 25°C when the…

A: Since you have posted question with multiple sub-parts, we will solve first three parts. To get…

Q: A galvanic cell was formed using Avium and Beanium:[hypothetical elements] Reduction Potentials:…

A: Galvanic cell is a type of electrochemical cell. Galvanic cell is used to supply electric current by…

Q: Calculate the cell potential for the reaction as written at 25.00 °C, given that [Mg² +] = 0.755 M…

A: Given,

Q: Calculate the cell potential for the reaction as written at 25.00 °C, given that [Zn2+]=0.864 M and…

A: The cell potential for a reaction can be calculated by using Nernst's equation as…

Q: Calculate the cell potential, E, for the given reactions at 25.00 °C using the ion concentrations…

A:

Q: For cell schematic notation    Zn(s) | ZnCl2 (1.0 M )| | CuSO4 ( 2.0 M ) | Cu(s)…

A:

Q: For the voltaic cell indicated by: Sn (s)|Sn²+ (aq)||Fe3+ (aq), Fe2* (aq)|Pt (8) Sketch the cell,…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: Predict whether the following reactions would occur spontaneously in aqueous solution at 25°C.…

A: The electromotive force of a galvanic cell which is formed from a standard reference electrode and…

Q: The voltaic cell Ca(o)Ca²+ (aq) || Ni?+(1.0 M)|Ni(s) has a cell potential of 0.300 V at 25°C. What…

A: Given : Ecell = 0.300 V Temperature = 25 oC Concentration of Ni2+, [Ni2+ ] = 1.0 M And Eocell =…

Q: 4. Write the Nernst equation for this cell. 5. A cell was constructed using 5.0 x 103 M Sn4+, 1.0 x…

A: Reduction is gaining of electrons. Oxidation is losing of electrons. The reactions where reduction…

Q: Electrochemistry is important in many aspects of daily life. i. Define voltaic cell. ii. Fill in the…

A:

Q: A voltaic cell consists of a Zn/Zn2+Zn/Zn2+ half-cell and a Ni/Ni2+Ni/Ni2+ half-cell at 25 ∘C∘C. The…

A: The Nernst equation is shown below: Where; Ecell = electrode potential at any condition E0cell =…

Q: Calculate the cell potential for the reaction as written at 25.00 °C, given that [Mg2+]=0.790 M and…

A: Cell potential calculation:

Q: iv Write the potential for each half-reaction next to it (the values are in your text) Calculate the…

A: iv The Potential for each half-reaction can be given as: Oxidation Half-reaction- Eooxd = -0.76 V…

Q: A voltaic cell utilizes the following reaction and operates at 298 K. 3 Ce4+(aq) + Cr(s)  3…

A:

Q: A voltaic cell consists of a Zn/Zn²+ half-cell and a Ni/Ni2+ half-cell at 25 °C. The initial…

A:

Q: The voltaic cell Ca(e)|Ca* (a«) || Ni²* (1.0 M)|N{(«) has a cell potential of 0.290 V at 25°C. What…

A:

Q: Calculate

A:

Q: Calculate the potential of the cell at 25°C.

A: Step : 1           Calculate the potential of the cell at 25°C.

Q: Number 2

A: a) The reaction taking place at anode is called oxidation reaction and the reaction taking place at…

Q: A galvanic cell was formed using Avium and Beanium:[hypothetical elements] Reduction Potentials:…

A: a.) The cell whose reduction potential is less than the other, will undergo oxidation. So Avium cell…

Q: (a) What type of a battery is lead storage battery? Write the anode and cathode reactions and the…

A: A lead storage battery is an example of secondary battery which can be recharged. The reaction…

Q: 78. A voltaic cell consists of a Pb/Pb2+ half-cell and a Cu/Cu²* half- cell at 25 °C. The initial…

A: Answer: In voltaic cell or Galvanic cell, at anode always oxidation takes place and at cathode…

Q: A mad scientist is attempting to make copper metal via the reaction:   Cu2+ (aq) + Cr (s) → Cu (s)…

A: a) The reaction is given as: The half-reactions can be written as:

Q: A galvanic cell is constructed with a copper electrode dipping into a 0.023 M solution of Cu²+ ions,…

A: Given, Ecell= 2.86V at 25oC[Cu2+]=0.023MMg(s)   +  Cu2+(aq) → Mg2+(aq)  +  Cu(s)Since we know that…

Q: The mostly familiar known .37 standard cell is Fuel cell .A B. Le Clanche C. Electrolytic cell

A: There are two types of electrochemical cells in electrochemistry known as voltaic or galvanic and…

Q: (a) What are fuel cells? Explain the electrode reactions involved in the working of H2 – O2 fuel…

A: a) Fuel cells are the cells that convert chemical energy directly into electrical energy. The…

Q: Predict whether the following reactions would occur spontaneously in aqueous solution at 25°C.…

A: standard conditions are given: Temperature = 25° C Initial concentration of all the dissolved…

Q: A voltaic cell utilizes the following reaction:2 Fe3+(aq) + H2(g)---->2 Fe2+(aq) + 2 H+(aq) (a)…

A: Standard electrode potential is the measure of electrode potential that is measured under standard…

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.