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Find the emf of the following voltaic cell at 25.0 °C Fe(s)| Fe3+(2.10 x 10-4 M)...
Find the emf of the following voltaic cell at 25.0 ºC Cr(s) | Cr3+(1.30 x 10–4 M) || Ag+(0.170 M) | Ag(s) given that Eºcell = 1.54 V. A) 1.72 V B) 1.60 V C)1.57 V D)1.51 V E)1.63 V
The voltaic cell is made of the following two electrodes: 9. Fe (0.200 M) 2e Fe(s) E.d= -0.44 v, Fe(0.100 M) e Fe (0.200 M) Eed0.77 v. Which electrode works as an anode? (20 pt) al Write the cell reaction. b) Calculate E°cell and Ecel. cl 10. A Cr(ag) solution is electrolyzed, using a current of 5.30 A for 2.00 days. What mass of Cr(s) (AM: 52.0) is plated out? (F=96485 C /mol) 11. For nuclear reaction occurred in the...
A voltaic cell is constructed from an Ni2+ (aq) -Ni(s) half-cell and an Ag+ (aq)- Ag(s) half-cell. The initial concentration of Ni2+ (aq) in the Ni2+ - Ni half-cell is [Ni2+1 = 1.80x10-2 M. The initial cell voltage is +1.13 V. Part A By using data in Table 20.1 in the textbook, calculate the standard emf of this voltaic cell. V AEQ ? E V Submit Request Answer Part B. Will the concentration of Ni2+ (aq) increase or decrease as...
1)A voltaic cell operates at 298 K according to the following reaction: 4 Fe2+(aq) + O2 (g) + 4 H+(aq) → 4 Fe3+ (aq) + 2 H2O (l) What is the emf of this cell when [Fe2+] = 6.5908E-4 M, [Fe3+] = 0.699 M, pressure O2 = 0.540 atm and pH = 3.10? 2)A voltaic cell operates at 298 K according to the following reaction: 3 Fe2+(aq) → Fe (s) + 2 Fe3+ (aq) What is the emf of this...
A voltaic cell employs the following redox reaction: 2 Fe3+ (aq) + 3 Mg(s) + 2 Fe (s) + 3 Mg2+ (aq) Calculate the cell potential at 25 °C under each of the following conditions. Part B You may want to reference (Pages 865 - 869) Section 19.6 while completing this problem. [Fe3+] = 2.5x10-3 M ; [Mg2+] = 2.85 M Express your answer in units of volts. ΟΙ ΑΣΦ ? Ecell V Submit Request Answer Part C [Fe3+] =...
Calculate the cell potential for the galvanic cell in which the reaction Fe(s)+Au3+(aq)−⇀↽− Fe3+(aq)+Au(s) occurs at 25 ∘C , given that [Fe3+]=0.00150 M and [Au3+]=0.795 M . Refer to the table of standard reduction potentials. E= V
A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). emf of this cell under standard conditions E∘ = 0.771 V What is the emf for this cell when [Fe3+]= 3.70 M , PH2= 0.95 atm , [Fe2+]= 1.0×10−3 M , and the pH in both compartments is 3.95? Express your answer using two significant figures.
Question 10 of 11 For the galvanic (voltaic) cell Cd2+ (aq) + Fe(s) — Cd(s) + Fe2(aq) (E° = 0.0400 V), what is the ratio [Fe2+1/[Cd2+] when E = 0.002 V? Assume T is 298 K (1 2 3
The emf of the cell, H-(1 bar)|HCl(0.01 m)|AgClI(s)|Ag is given by E(in volts) = -0.096 + 1.90 T -3.041 x 10° T². What is the cell reaction? Calculate AG, AS, AH, and AG for the cell Eon at 298K. %3D 5. The emf of the cell, H(1 bar)|HCl(0.01 m)|AgCl(s)|Ag is given by E(in volts) = -0.096 + 1.90 x 10T-3.041 x 10-6 T2. What is the cell reaction? Calculate AG, AS, AH, and AG for the cell reaction at 298K.
1. A voltaic cell is constructed that is based on the following reaction: Sn2+(aq)+Pb(s)→Sn(s)+Pb2+(aq). A. If the concentration of Sn2+ in the cathode compartment is 1.30 M and the cell generates an emf of 0.25 V , what is the concentration of Pb2+ in the anode compartment? B. If the anode compartment contains [SO2−4]= 1.30 M in equilibrium with PbSO4(s), what is the Ksp of PbSO4? 2. A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). A. What is the emf...