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.
A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). emf of this cell under standard conditions E∘...
2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). What is the emf for this cell when [Fe3+]= 3.90 M , PH2= 0.94 atm , [Fe2+]= 1.5×10−3 M , and the pH in both compartments is 3.80?
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...
A voltaic cell utilizes the following reaction and operates at 298 K : 3Ce4+(aq)+Cr(s)→3Ce3+(aq)+Cr3+(aq) Part A What is the emf of this cell under standard conditions? Express your answer using three significant figures. Part B What is the emf of this cell when [Ce4+]= 1.9 M , [Ce3+]= 0.13 M , and [Cr3+]= 1.6×10−2 M ? Express your answer using two significant figures. Part C What is the emf of the cell when [Ce4+]= 7.0×10−3 M ,[Ce3+]= 2.0 M ,...
20.1 Mastery #4 Q2 A voltaic electrochemical cell is constructed in which the following cell reaction occurs. The half-cell compartments are connected by a salt bridge. Mg(s) + 2Fe3+(aq) ---> Mg2+(aq) + 2Fe2+(aq) What is the reaction that takes place in the anode compartment? What is the reaction that takes place in the cathode compartment? In the external circuit, electrons migrate _____ (from or to) the Fe3+, Fe2+electrode _____ (from or to) the Mg electrode. In the salt bridge, anions migrate _____ (from or to) the Fe3+, Fe2+compartment _____...
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 reactions. 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C under each of the following conditions. (a) [Fe3+]= 1.0×10−3 M ; [Mg2+]= 2.05 M (b) [Fe3+]= 2.05 M ; [Mg2+]= 1.0×10−3 M
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq)2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C∘C under each of the following conditions. Part A: standard conditions Part B: [Fe3+]=[Fe3+]= 2.0×10−3 MM ; [Mg2+]=[Mg2+]= 2.25 M Part C: [Fe3+]=[Fe3+]= 2.25 MM ; [Mg2+]=[Mg2+]= 2.0×10−3 M
A voltaic cell utilizes the following reaction and operates at 298 K. 3 Ce4+(aq) + Cr(s) 3 Ce3+(aq) + Cr3+(aq) (a) What is the emf of this cell under standard conditions? _____V (b) What is the emf of this cell when [Ce4+] = 1.2 M, [Ce3+] = 0.010 M, and [Cr3+] = 0.012 M? ____V (c) What is the emf of the cell when [Ce4+] = 0.53 M, [Ce3+] = 0.89 M, and [Cr3+] = 1.0 M? ____V
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C under each of the following conditions. (standard condition was 2.33) A) [Fe3+]= 1.3×10−3 M ; [Mg2+]= 1.75 M B) [Fe3+]= 1.75 M ; [Mg2+]= 1.3×10−3 M
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C under each of the following conditions. You may want to reference (Pages 865 - 869) Section 19.6 while completing this problem. Part A standard conditions Express your answer in units of volts. Ecell = V Part B [Fe3+]= 1.2×10−3 M ; [Mg2+]= 1.70 M Express your answer in units of volts. Ecell = V SubmitRequest Answer Part C [Fe3+]= 1.70 M ; [Mg2+]=1.2×10−3 M...