At 25°C a KCl solution with a specific conductivity of 0.14088 S/m has a resistance of 654 ohms. The resistance of the same cell with 0.1 N NH4OH is 2524 ohms. Calculate the degree of dissociation of the NH4OH solution in this solution.

Q: Consider the following cell reaction: Mn(s) + 2 H+(? M) Mn2+(1.00 M) + H2(g)(1.00 atm) If the cell…

A: According to the question, The cell reaction is as follows, Mn(s) + 2 H+(? M) Mn2+(1.00 M) +…

Q: Understanding concentration cells A certain metal M forms a soluble nitrate salt MNO 3. Suppose the…

A: Given: [M+](left)=3.50M;[M+](right)=17.5MStep 1: Write the equation we need to…

Q: How long would it take to electrodeposit all the Cu2+ in 0.300 L of 0.230 M CuSO4 solution with an…

A: Given, 0.300 L of 0.230 M CuSO4 solution Applied potential difference of 0.275 V  Current of 3.50…

Q: What current is required to oxidize water at an electrode to liberate 1.00 mol O2/day in the…

A: Faraday first law: Mass of  substance deposited on any electrode is directly proportional to the…

Q: What is the cell potential of a concentration cell made by coupling a Zn2+(0.0100 M)/Zn half-cell to…

A:

Q: The table provides the standard reduction potential, E'º, for relevant half-cell reactions.…

A: A reaction will be spontaneous if Eocell is positive.This is because for a process to be…

Q: An electrochemical cell is given with a cell reaction of Pb²⁺ + Cd → Pb + Cd²⁺ at 25°C with ion…

A:

Q: What is the half cell potential (in V) for an aluminum electrode in contact with a 0.015 M A3+…

A: The half-cell reaction for the aluminum electrode can be represented as: Al3+ (aq) + 3e-  →  Al (s)…

Q: A cell is composed of a pure copper and pure lead electrode immersed in solutions of their bivalent…

A: Given: Concentration of bivalent copper ion i.e. Cu2+ = 0.3 M Cell potential, Ecell = 0.507 V And…

Q: A hydrogen electrode is immersed in a 2.4 M solution of acetic acid at 25 °C. This electrode is…

A:

Q: X(s)|X1+ (2.33 M) || Mn O4 1 minus (0.93 M)|Mn2+ (0.91 M)|H+ (1.82 M) The reduction potential for…

A: Nernst equation: The Nernst equation relates to the reduction potential of an electrochemical…

Q: 6. Consider the following cell. Al(s) | Al³* (1 M) || OH- (1 M) | Al(OH)3(s), Al(s) Given the Ksp…

A:

Q: Consider the following silver-cadmium cell: Cd(s)/Cd2+(0.50 M)//Ag+(0.0025 M)/Ag(s). Compute the…

A: To calculate the cell potential for the given silver-cadmium cell at 25oC, we can use the…

Q: An electrochemical cell is constructed such that on one side a pure cadmium electrode is in contact…

A:

Q: What is the cell potential when 0.1 M C u(NO3)2 and 1.0 M A l(NO3)3 are used? Answer to two decimal…

A: The given electrochemical cell consists of two half-reactions, one involving copper ions (Cu2+) and…

Q: what are the important requirements for an electrolyte in a fuel cell? the heat of combustion of…

A:

Q: Given the following standard reduction potentials: Mg+2 = Mg(s) + 2e- E = (-) 2.37 V 2e- + I2(s) =…

A:

Q: The free energy change for the following reaction at 25 °C, when [Cd²+] = 2.15×10-³ M and [Ni2+] =…

A: It is given that standard Gibb's free energy, ∆G = 45.0 KJ

Q: The cell potential between two beakers containing copper(II) sulfate solutions and copper metal…

A: To calculate the percent error of the voltage measurement compared to the theoretical predictions,…

Q: Calculate the potential for each cell as written at 25 C. Indicate whether the metal electrode in…

A: Let us consider a cell notation: Zn(s)|Zn2+aq∥(salt bridge)H+|H2g|Pt(anode)…

Q: Which is the best oxidizing agent in the following set? You may use the table of standard cell…

A: Oxidizing agent

Q: Calculate the concentration of HCI solution that has an H₂ pressure of 0.888 atm and gives an…

A:

Q: What is the Ecell for the three galvanic cells

A: Ecell  = Ereduction - Eoxidation In every part Zn is undergoing reduction Ecell  = -0.79 - 0.005…

Q: 0.04 molar solution of NaCl is filled in a conductance cell at 25°C that showed a resistance of 175…

A: For NaCl solution : Conductivity ( k ) = G*R  Cell constant ( G* ) = k x R = 2.77 x 10-2 x 175  cm-1…

Q: X(s)|X2+ (1.09 M) || Mn O4 1 minus (2.56 M)|Mn2+ (0.72 M)|H+ (0.22 M) The reduction potential for…

A: The cell given is, => X(s)|X2+ (1.09 M) || MnO4- (2.56 M)|Mn2+ (0.72 M)|H+ (0.22 M) In the above…

Q: Calculate the potential for each cell as written at 25 C. Indicate whether the metal electrode in…

A: Temperature = 25°C

Q: 4. In a process called flash electroplating, a current of 2.5 x 10'A passes through an electrolytic…

A:

Q: A Galvanic cell consists of an Au/Au3+ electrode (E° = 1.50 V) and a Cu/Cu2+ electrode (E° = 0.34…

A: 0.03 MExplanation:

Q: X(s)|X3+ (1.14 M) || Mn O4 1 minus (1.97 M)|Mn2+ (0.64 M)|H+ (2.79 M) The reduction potential for…

A: Given data,EoX3+/X=0.46VEoMnO4-/Mn2+=1.51VX(s)|X3+ (1.14 M) || MnO4- (1.97 M)|Mn2+(0.64 M)|H+ (2.79…

Q: Given the cell notation Zn│Zn2+, SO42- ║Ce4+, Ce3+, SO42-│Pt, which substance undergoes reduction?…

A:

Q: Salt bridge A concentration cell similar to the one shown is composed of two Sn electrodes and…

A: Reaction would proceed spontaneously if Ecell is positive

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

A:

Q: What is the emf of this cell when [Fe2+] = 1.8 M, [Fe+] = 1.2x10-2 M , Po, = 0.55 atm , and the pH…

A: The voltaic cell reaction given is 4 Fe2+ (aq) + O2 (g) + 4 H+ (aq) → 4 Fe3+ (aq) + 2 H2O (l) The…

Q: Why are Ehalf-cell values for the oxidation and reduction ofwater different from E°half-cell values…

A: The Ehalf-cell and Eohalf-cell for pure water are different.

Q: Determine the cell potential for the following reaction: Hg2+ + 21- Hg + 12 Given the following…

A:

Q: How many grams of thallium may be formed by the passage of 7,438 amps for 3.04 hours through an…

A:

Q: Suppose that a reaction has a ΔrG∘ of -253 kJ/mol at 465 K and involves the transfer of 1 electrons.…

A: E° cell is cell potential in between two half cells electrode at standard condition where solutions…

Q: applied potential difference of 0.275 V

A:

Q: Consider the following cell reaction: Mn(s) + 2 H*(? M) –→MN2*(1.00 M) + H2(g)(1.00 atm) If the cell…

A:

Q: X(s)|X3+ (1.14 M) || Mn O4 1 minus (1.97 M)|Mn2+ (0.64 M)|H+ (2.79 M) The reduction potential for…

A: Pt(s) || Sn2+ (0.0032 M),Sn4+(0.10 M) ‖ Fe3+(0.12 M),Fe2+(0.0053 M) || Pt.(s) Oxidation at anode :…