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LABORATORY REPORT WORKSHEET- PAGE Expt 6: SPONTANIETY OF ELECTROCHEMCIAL CELL REACTIONS Name Lab section Date Instructor eip me Fill tis valve fAom Reduckion Potrk ttis velut st Task 2 (non-Std Cond/Cel) nt c E"cell (V) #2 Table) | Ecell (V) #3 (Cal) cathode anode Fe Fe/Pb Fe/Zn Fe/Cu Ag/Pb Ag/Cu Pb/Zn Pb/Cu Notes: # 2 Value calculated based on values given from a Reduction Potential Table; # 3 Value calculated based on the Nernst Equation. # 4 Show all calculation work. Table of Standard Reduction Potentials at 25 C (V 3.05 V 2.93 V Li' fag) - 2.90 V Sr (aq) 2e Sr (s) Ca2 (aq)+ 2e Ca (s) Na" (aq) + e-â Na (s) Mg2+ (aq) + 2 e. â Mg(s) Be2+ (aq) + 2e-â Be (s) A(ag)+ 3e- Al (S) Mn2+ (aq) + 2 e. â Mn (s) 2H20(i) + 2e â H2 (g) + 2 OH. (ag) Zn2 (aq)+2c-Zn (s) 2.89 V 2.87 V 2.37 V 1.85 V - 1.66 V - 1.18 V -0.83 V 0.76 V 0.74 V 0.44 V Fe PbSO4 (s) + 2 e. â Pb (s) + SO' (aq) Co (aq)+ 2e Co (S - 0.31 V 0.28 V 0.25 V 0.14 V 0.13 V 0.04 V 0.00 V + 0.13 V +0.15 V x + 0.22 V 0.34 V +0.40 V + 0.53 V Pb Fe" (aq) + 3 e. â Fe (s) 2H (aq)+ 2e H2 (g) AgCl (s) +eAg(s)+CI (ag) Cu2+ (aq) + 2e-â Cu (s) 02 (g) +2HO + 4e4OH (aq) 12 (s) + 2 e - t 21. (aq) Mno4 (aq)+ 2 HO)+3e- MnO2 (s) + 4 OH (aq) O2 (g) + 2 H' (aq) + 2 e-â H2O2 (aq) Fe'"(aq) + e: â Fe2+ (aq) Ag (aq)+ eAg (s +0.59 V +0.68 V +0.77 V +0.80 V +0.85 V +0.96 V Hg22+ (aq) + 2 e. â 2 Hg (l) NOÄ°. (aq) + 4 H' (ag) + 3 e-NO (g) + 2H20 (l) Br2 + 2e 2 Br (aq) 02(g) + 4 H (a)+4e-2 H20 1) MnO2 (s) + 4H (ag) +2eMn2 (aq)+ 2 H20 (1) + 1.23 V +1.23 V +1.33 V 1.36 V +1.50 V +1.51 V +1.61 V Au (aq)+ 3e-Au (s) H2O2 (aq) + 2 H' (aq) + 2e â 2 H2O (1) Co" (aq) + e-Co2+ (aq) 0; (g) + 2H+ (aq) + 2 e. â O2 (g) + H20 (l) F2 (g) + 2e. â 2 F. (aq) + 1.77 V +1.82 V +2.07 V +2.87 V Show transcribed image text
LABORATORY REPORT WORKSHEET- PAGE Expt 6: SPONTANIETY OF ELECTROCHEMCIAL CELL REACTIONS Name Lab section Date Instructor eip me Fill tis valve fAom Reduckion Potrk ttis velut st Task 2 (non-Std Cond/Cel) nt c E"cell (V) #2 Table) | Ecell (V) #3 (Cal) cathode anode Fe Fe/Pb Fe/Zn Fe/Cu Ag/Pb Ag/Cu Pb/Zn Pb/Cu Notes: # 2 Value calculated based on values given from a Reduction Potential Table; # 3 Value calculated based on the Nernst Equation. # 4 Show all calculation work.
Table of Standard Reduction Potentials at 25 C (V 3.05 V 2.93 V Li' fag) - 2.90 V Sr (aq) 2e Sr (s) Ca2 (aq)+ 2e Ca (s) Na" (aq) + e-â Na (s) Mg2+ (aq) + 2 e. â Mg(s) Be2+ (aq) + 2e-â Be (s) A(ag)+ 3e- Al (S) Mn2+ (aq) + 2 e. â Mn (s) 2H20(i) + 2e â H2 (g) + 2 OH. (ag) Zn2 (aq)+2c-Zn (s) 2.89 V 2.87 V 2.37 V 1.85 V - 1.66 V - 1.18 V -0.83 V 0.76 V 0.74 V 0.44 V Fe PbSO4 (s) + 2 e. â Pb (s) + SO' (aq) Co (aq)+ 2e Co (S - 0.31 V 0.28 V 0.25 V 0.14 V 0.13 V 0.04 V 0.00 V + 0.13 V +0.15 V x + 0.22 V 0.34 V +0.40 V + 0.53 V Pb Fe" (aq) + 3 e. â Fe (s) 2H (aq)+ 2e H2 (g) AgCl (s) +eAg(s)+CI (ag) Cu2+ (aq) + 2e-â Cu (s) 02 (g) +2HO + 4e4OH (aq) 12 (s) + 2 e - t 21. (aq) Mno4 (aq)+ 2 HO)+3e- MnO2 (s) + 4 OH (aq) O2 (g) + 2 H' (aq) + 2 e-â H2O2 (aq) Fe'"(aq) + e: â Fe2+ (aq) Ag (aq)+ eAg (s +0.59 V +0.68 V +0.77 V +0.80 V +0.85 V +0.96 V Hg22+ (aq) + 2 e. â 2 Hg (l) NOÄ°. (aq) + 4 H' (ag) + 3 e-NO (g) + 2H20 (l) Br2 + 2e 2 Br (aq) 02(g) + 4 H (a)+4e-2 H20 1) MnO2 (s) + 4H (ag) +2eMn2 (aq)+ 2 H20 (1) + 1.23 V +1.23 V +1.33 V 1.36 V +1.50 V +1.51 V +1.61 V Au (aq)+ 3e-Au (s) H2O2 (aq) + 2 H' (aq) + 2e â 2 H2O (1) Co" (aq) + e-Co2+ (aq) 0; (g) + 2H+ (aq) + 2 e. â O2 (g) + H20 (l) F2 (g) + 2e. â 2 F. (aq) + 1.77 V +1.82 V +2.07 V +2.87 V
Show transcribed image text Trinidad TremblayLv2
16 Feb 2019