The initial potential you measure is 219.3 mV and the temperature of the solution is 23.8 Celsius. What is the value for 'k', the cell constant? (Report your answer in units of mV with 4 sig figs) this is a reaction with Silver electrode and standard hydrogen electrode. the reaction is AgCl <-> Ag+ + Cl- activity of both Ag+ and Cl- is .9

Q: The standard reaction Gibbs energy for the reaction: K2CrO4 (aq) + 2 Ag (s) + 2 FeCl3 (s) → Ag2CrO4…

A: Gibbs' free energy for an electrochemical reaction, whose standard potential is to be determined.

Q: Electrochemical cells can be used to measure ionic concentrations. A cell is set up with a pair of…

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

Q: For a cell described below, answer the questions that follow. (A). What would be the INITIAL cell…

A: In the given cell reaction, Zn(s) is undergoing oxidation, whereas Pb2+(aq) undergoes reduction to…

Q: Pt | H2 (g, 1.00 bar) | HCI (5.00E-4 M) || KCI(0.100 M) | Hg) | Hg2Cl2¢s) (s)| The anode in the…

A: In an electrochemical cell, the reaction that takes place is a redox reaction. In one of the…

Q: Consider the electrochemical cell, Zn (s) | ZnBr2 (0.235 mol kg - 1) | Br2 (1) | C (s), for which…

A:

Q: Use the Nernst equation to calculate the cell potential, Ecell , for a galvanic cell consisting of…

A:

Q: Calculate the electrode potentials of the following half-cells. (a) HC1(3.50 M) H₂(0.950 atm).Pt (b)…

A: calculate the electrode potentials of given rxn

Q: What is the initial cell potential? Express your answer to two decimal places and include the…

A: Initial concentration of Ni2+ = 1.80 mol/L Initial concentration of Zn2+ = 0.120 mol/L   The…

Q: The following electrochemical cell is constructed at standard state: Mg(s) | Mg2+ || Cr2+ | Cr(s) a)…

A: Answers are explained below.

Q: Explain the significance of the standard hydrogen electrode (SHE) in the tabulation of standard…

A: The standard hydrogen electrode  (SHE) in the tabulation of standard reduction potentials refers to…

Q: For the reaction 2Co+ (aq) + 2Cl (aq)→2C02+ (aq) + Cl2 (g). what is the cell potential at.25°C if…

A: Given that, a cell reaction is  2Co3+(aq) + 2Cl-(aq) →2Co2+(aq) + Cl2(g). The concentrations are…

Q: Consider the reaction,    2Ag+ + Cd →   2Ag + Cd2+    The standard electrode potentials for Ag+…

A: Given electrochemical reaction: 2Ag+ + Cd → 2Ag + Cd2+ And, the standard electrode potential as…

Q: The following cell was used for the determination of pCrO4: SCE||CrO,-(xM),Ag,CrO,(sat'd)|Ag…

A:

Q: Chemistry Please solve the questions as soon as possible. I'll upvote your work.Thank you! Ex 11.…

A:

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: How much time (in hr) must a constant current of 50.0 A be passed through an electrolytic cell…

A: Given : Current = 50.0 A Moles of Cu formed = 5.00 mol And the ions of Cu present in the solution is…

Q: Why is it not possible to measure single electrode potential?

A: Potential difference in the electro-chemical cell is generated due to the redox  reaction occurring…

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

A: standard electrode potentials (E°) is inversely proportional to reducing power  Higher standard…

Q: Consider the reaction 2Co3+ (aq)+2CI-(aq)-2Co2+(aq)+Cl2(g) EOcell=0.71 V What is the cell potential…

A: Given data: E°cell = 0.71V  [Co3+] = 0.258V [CO2+] = 0.249V  [Cl-1] = 0.523V Pressure of Cl2 =…

Q: Calculate the electrode potentials of the following half-cells.(a) Ag+(0.0436 M)|Ag(b) Fe3+(5.34 ×…

A:

Q: Electrochemical cells can be used to measure ionic concentrations. A cell is set up with a pair of…

A: Given data: Concentration of solution = 0.4 M Emf of cell = 0.015 V Formula used:…

Q: An inventor proposes using a SHE (standard hydrogen electrode) in a new battery for smartphones that…

A:

Q: The standard reaction Gibbs energy for the reaction: K2CrO4 (aq) + 2 Ag (s) + 2 FeCl3 (s) → Ag2CrO4…

A:

Q: A. What is the cell notation of the set-up? B. What is the standard cell potential (Eºcell)? C. If…

A: #B: Since Au has a higher reduction potential, Au3+(aq) undergoes reduction to Au(s) nad Ni(s)…

Q: For the reaction 2Co3+(aq)+2Cl−(aq)→2Co2+(aq)+Cl2(g).  E∘=0.483 V What is the cell potential at 25…

A: For the reaction   2Co3+(aq)+2Cl−(aq)→2Co2+(aq)+Cl2(g). E∘=0.483 V   What is the cell potential at…

Q: The following half-cells are on the left and coupled with the standard hydrogen electrode on the…

A: Soln

Q: Calculate the potential of the following half-cell take ionic strength effect into consideration:…

A: The half cell reaction taking place is: Standard potential (E0) = 0.77 V Number of ions displaced…

Q: For the reaction; 4H+   +  PbO2  + 2 Fe 2+ →  2 Fe 3+ + Pb2+  +  2 H2O, the standard electrode…

A:

Q: Electrochemical cells can be used to measure ionic concentrations. A cell is set up with a pair of…

A: A cell made up of the same metal and same electrolyte with different concentrations are known as…

Q: A nonstandard cell is made by replacing the 1.0 M solutions of Cu(NO3)2 and Sn(NO3)2 in the standard…

A: Answer: 1. Let the standard electrode potential 1 M solution of Cu(NO3)2 and Sn(NO3)2 be E0 So,…

Q: knowing that the standard zinc electrode potential is -0.76V, how does the zinc electrode potential…

A:

Q: For an electrochemical cell 25oC with the following over-all reaction: Ag+(aq) + Br-(aq) → AgBr i.…

A: electrolysis is a redox process process where an electrolyte undergo decomposition into ions when…

Q: Consider the following reaction with vanadium and iron: 2 Fe2+ (aq) + √2+ (aq) 2 Fe³+ (aq) + V(s)…

A: Here we have to predict the Ecell at equilibrium of the following given  cell reaction.

Q: Consider a galvanic cell consisting of the Cr3+/Cr (Eo=-0.74 V) and the Ag+/Ag (Eo=+0.8 V) systems…

A: The question is based on the concept of electrochemistry.   the electrode which has higher reduction…

Q: On the basis of electrode potentials from standard emf series, analyze corrosion behavior of…

A:

Q: Calculate the value of the EMF of galvanic cells and write the electrode reactions occurring in…

A: a)                    Zn/Zn2+(0.001)∥Cd2+(0.1)/Cd                         Anode : Zn = Zn2+ + 2e-…

Q: 2. In another experiment, Fischl used chromium metal to form an electrode she can use for her…

A: Since you have asked a question with multiple sub-parts, we will solve first three sub-parts for…

Q: = standard potential of the cell, E°cell?

A:

Q: Determining electrolytic activity in a dilute solution. Electrolysis of dilute aqueous NaCl solution…

A: Electrolysis of dilute aqueous  NaCl solution was carried out by passing 10 milliampere current.…

Q: The cell shown below has a measured cell potential of +0.06839 V at 25.0 °C. A graph of the cell…

A:

Q: Electrochemical cells can be used to measure ionic concentrations. A cell is set up with a pair of…

A: Nernst equation as follows,

Q: Copper is electroplated from CuSO4 solution. A constant current of 5.79 A is applied by an external…

A:

Q: The cell potential for  Ag, AgCl | HCl (0.35M) ||  NaIO3 (0.70 M), HCl (0.010 M), I2 (0.25 M) | Pt…

A: At Cathode: Reduction- Half reaction IO3− + 6H+ + 5e− ------&gt; ½I2(s) + 3H2O(l)       Eo = +1.195…

Q: Highest cell potential Mg? +/Mg-Cu? +/Cu cell Mg² +/Mg-Ag*/Ag cell

A: Cell Potential: The potential difference between the two electrodes is known as the cell potential.…

Q: A concentration cell consisting of two hydrogen electrodes (P H,- latm), where the cathode is a…

A: Given data: Pressure of H2 = 1 atm  Cell voltage (Ecell) = 0.193 V Temperature = 298 K Formula used:…

Q: Write the schematic representation and reaction of the cell composed of SHE and cadmium electrodes.…

A: The electrode which has higher reduction potential acts as a cathode and the electrode with lower…

Q: A student does an experiment to determine the molar solubility of lead(II) bromide. She constructs a…

A: Electrochemical Potential is the chemical potential of the cell generated through the means of…

Q: Use the biological standard potentials of two reduction reactions 4H* + 4e + 02-> 2 H20, E = + 0.82…

A: