Question

In: Chemistry

Based on the following cells, determine the (i) cell reaction, (ii) electrode half-reactions and (iii) standard potential.


Based on the following cells, determine the (i) cell reaction, (ii) electrode half-reactions
and (iii) standard potential. Then, based on the standard potential, determine if the cell
can be used as spontaneous voltaic cell or nonspontaneous electrolytic cell.


(a) Pt|Ti3+(aq), Ti2+(aq)||Sn4+(aq), Sn2+(aq)|Pt

(b) Mg|Mg2+(aq)||Mn2+(aq), H+ (aq)|MnO2(s)|Pt

(c) Pt|F2(g)|HF(aq)||K2CrO4(aq)|Ag2CrO4(s)|Ag

 

Solutions

Expert Solution


Related Solutions

Write the cell reaction and electrode half-reactions and calculate the standard potential of each of the...
Write the cell reaction and electrode half-reactions and calculate the standard potential of each of the following cells: a) Zn/ZnSO4(aq)//AgNO3(aq)/Ag b) Pt/K3[Fe(CN)6](aq), K4[Fe(CN)6](aq)//CrCl3 (aq)/Cr Please show all steps and clear writing. Thanks
Calculate the cell potential for a reaction in a electrolytic cell with the following half-reactions if:...
Calculate the cell potential for a reaction in a electrolytic cell with the following half-reactions if: [U 3+] = 0.10 M, [MnO4 - ] = 0.20M, [Mn2+], and [H+ ] = 0.20 M U 3+ + 3e -> U o Ecell = - 1.642 V MnO4 - + 8H+ + 5e- -> Mn2+ + 4H2O Ecell = +1.51 V
Write the overall reaction and the half-cell reactions of the following cells, and clearly indicate the...
Write the overall reaction and the half-cell reactions of the following cells, and clearly indicate the anode and the cathode for each cell. c) Pb|Pb2+(0.10 M)||Cu2+(0.10 M)|Cu d) Pb|Pb2+(0.10 M)||Zn2+(0.10 M)|Zn e) Zn|Zn2+(0.10 M)||Fe2+(0.10 M)|Fe f) Pb|Pb2+(0.10 M)||Fe2+(0.10 M)|Fe
7. Given the standard reduction potential for the following two half-cell reactions (in the presence of...
7. Given the standard reduction potential for the following two half-cell reactions (in the presence of 1.00 M HCl): Fe3+ + e <==> Fe2+, E0 = + 0.68 V AsO4 - + 2H+ + 2e <==> AsO3 - + H2O, Eo = +0.559 V. Please calculate the system potential at the equivalence point when Fe3+ was used to titrate AsO3 - in the presence of 1.00 M HCl. Answer: 0.60 V
Predict the standard cell potential and calculate the standard reaction Gibbs free energy for galvanic cells...
Predict the standard cell potential and calculate the standard reaction Gibbs free energy for galvanic cells having the following cell reactions: a) 3 Zn(s) +2Bi^3+(aq)--> 3 Zn^2+(aq) + 2Bi(s) b) 2 H2(g) + O2(g)--> 2 H2O(l) in acidic solution c)2 H2(g) +O2(g)--> 2 H2O(l) in basic solution d) 3 Au+(aq) --> 2 Au(s) + Au^3+ (aq)
Determine the overall reaction and its standard cell potential at 25 °C for the reaction involving...
Determine the overall reaction and its standard cell potential at 25 °C for the reaction involving the galvanic cell made from a half-cell consisting of a silver electrode in 1 M silver nitrate solution and a half-cell consisting of a zinc electrode in 1 M zinc nitrate. Is the reaction spontaneous at standard conditions?
Use the following half-reactions to write three spontaneous reactions, and calculate E cell for each reaction:...
Use the following half-reactions to write three spontaneous reactions, and calculate E cell for each reaction: a. Au+ (aq) + e- ----> Au (s) E= 1.69 V b. N2O (g) + 2H+ (aq) + 2 e- ----> N2 (g) + H2O (l) E= 1.77 V c. Cr3+ (aq) + 3e- ---> Cr (s) E= -0.74 V
Write the balanced, net-ionic equations for the cell reactions for the following half-cell combinations at standard...
Write the balanced, net-ionic equations for the cell reactions for the following half-cell combinations at standard conditions. Be sure to consider direction of spontaneity. A. Cu/Cu2+, Zn/Zn2+ B. Ag/Ag+, Mg/Mg2+ C. Zn/Zn2+, Pb/Pb2+ D. Ni/Ni2+, Ag/Ag+ E. Cu/Cu2+, Mg/Mg2+
Write the Standard Cell Notation and Half Reactions of the following voltaic cell combinations. 1. Zinc...
Write the Standard Cell Notation and Half Reactions of the following voltaic cell combinations. 1. Zinc Nitrate (0.20 M) and Copper Nitrate (0.30 M); Copper – Anode, Zinc – Cathode 2. Lead Sulfate (0.25 M) and Zinc Sulfate (0.50 M); Lead – Cathode, Zinc – Anode 3. Copper Sulfate (0.65 M) and Lead Sulfate (0.20 M); Copper – Anode, Zinc – Cathode 4. Silver Nitrate (0.15 M) and Lead Nitrate (0.40 M); Silver – Anode, Lead – Cathode 5. Aluminum...
For each reaction listed, determine its standard cell potential at 25 °C and whether the reaction...
For each reaction listed, determine its standard cell potential at 25 °C and whether the reaction is spontaneous at standard conditions. Ag+(aq) + Cu(s) àCu2+(aq)+ Ag(s) Ag+ + e− ⟶ Ag +0.7996V Cu2+ + 2e− ⟶ Cu +0.337V a) -1.117(nonspontaneous) -0.4626V (nonspontaneous) +0.4626V (spontaneous) +1.117 (spontaneous)
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT