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What is the standard emf of the cell with the following overall reaction? Use the provided table for the standard reduction potentials of half-reactions 2Fe2+ + 2Hg2+→2Fe3+ + Hg22+ Express your answer in two decimal places. Table 11.1 Standard Reduction Potentials at 25°C (298 K) for Many Common Half-reactions F₂ +2e-2F- Ag²+ + e Code → Ag Co H₂O₂ + 2H+ 2e → Ce+eCe¹+ Half-reaction PbO₂ + 4H+SO2 +2e → PbSO4 + 2H₂O MnO4 + 4H+ 3e Hg₂2 +2e Fe 104 + 2H+ 2e → 10, + H₂O MnO4 + 8H + Se → Mn²+ + 4H₂O Au +3e Au PbO₂ + 4H¹ + 2e → Pb²+ + 2H₂O Cl₂ +2e2C1 Cr₂0₂2 +14H + 6e O₂ + 4H+ 4e → 2H₂O MnO₂ + 4H+ 2e 10, +6H + Se Br₂ +2e → 2Br VO₂ + 2H+ e - VO²+ + H₂O AuCl + 3e → Au +4Cl NO3 + 4H+ 3e ClO₂+ e →CIO₂ 2Hg²+2e Ag + c → Ag → 2Hg +eFe²+ 2H₂0 Cu Hg₂+ MnO₂ + 2H₂O →2Cr³+ +7H₂O →Mn²+ + 2H₂O 12+ 3H₂O O₂ + 2H+ 2e → H₂O₂ MnO4 + e →MnO,2- 12 +2e21 Cute NO + 2H₂O 8° (V) 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60 1.51 1.50 1.46 1.36 1.33 1.23 1.21 1.20 1.09 1.00 0.99 0.96 0.954 0.91 0.80 0.80 0.77 0.68 0.56 0.54 0.52 O₂ + 2H₂O + 4e Cu²+ + 2c7 - Cu 40H Hg₂Cl₂ +2e2Hg + 2Cl AgCl + c Ag + CI SO2 + 4H+ + 2c → H₂SO3 + H₂O Cu²+ + e → Cut 2H+ + 2e Fe³+ + 3e Pb²+ + 2e Sn²+ + 2e Ni²+ + 2e1 Half-reaction 2H₂O + 2e Mn²+ + 2e Al³+ + 3e PbSO4 + 2e7 →Pb + SO2- Cd2+ + 2c <-Cd Fe²+ + 2e Fe Cr³+ + c Cr³+ + 3e Zn²+2c H₂ Fe -Pb Sn -Ni Na + e Ca²+ + 2e →Cr²+ <-Cr → Zn →→ H₂ + 2OH7 →Mn →→ Al H₂ +2e2H™ Mg2+ + 2c7 La + 3e → Mg La → Na - Ca Ba Ba²+2e K+c→ K Li+eLi 8° (V) 0.40 0.34 0.27 0.22 0.20 0.16 0.00 -0.036 -0.13 -0.14 -0.23 -0.35 -0.40 -0.44 -0.50 -0.73 -0.76 -0.83 -1.18 -1.66 -2.23 -2.37 -2.37 -2.71 -2.76 -2.90 -2.92 -3.05

What is the standard emf of the cell with the following overall reaction? Use the provided table for the standard reduction potentials of half-reactions 2Fe2+ + 2Hg2+→2Fe3+ + Hg22+ Express your answer in two decimal places. Table 11.1 Standard Reduction Potentials at 25°C (298 K) for Many Common Half-reactions F₂ +2e-2F- Ag²+ + e Code → Ag Co H₂O₂ + 2H+ 2e → Ce+eCe¹+ Half-reaction PbO₂ + 4H+SO2 +2e → PbSO4 + 2H₂O MnO4 + 4H+ 3e Hg₂2 +2e Fe 104 + 2H+ 2e → 10, + H₂O MnO4 + 8H + Se → Mn²+ + 4H₂O Au +3e Au PbO₂ + 4H¹ + 2e → Pb²+ + 2H₂O Cl₂ +2e2C1 Cr₂0₂2 +14H + 6e O₂ + 4H+ 4e → 2H₂O MnO₂ + 4H+ 2e 10, +6H + Se Br₂ +2e → 2Br VO₂ + 2H+ e - VO²+ + H₂O AuCl + 3e → Au +4Cl NO3 + 4H+ 3e ClO₂+ e →CIO₂ 2Hg²+2e Ag + c → Ag → 2Hg +eFe²+ 2H₂0 Cu Hg₂+ MnO₂ + 2H₂O →2Cr³+ +7H₂O →Mn²+ + 2H₂O 12+ 3H₂O O₂ + 2H+ 2e → H₂O₂ MnO4 + e →MnO,2- 12 +2e21 Cute NO + 2H₂O 8° (V) 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60 1.51 1.50 1.46 1.36 1.33 1.23 1.21 1.20 1.09 1.00 0.99 0.96 0.954 0.91 0.80 0.80 0.77 0.68 0.56 0.54 0.52 O₂ + 2H₂O + 4e Cu²+ + 2c7 - Cu 40H Hg₂Cl₂ +2e2Hg + 2Cl AgCl + c Ag + CI SO2 + 4H+ + 2c → H₂SO3 + H₂O Cu²+ + e → Cut 2H+ + 2e Fe³+ + 3e Pb²+ + 2e Sn²+ + 2e Ni²+ + 2e1 Half-reaction 2H₂O + 2e Mn²+ + 2e Al³+ + 3e PbSO4 + 2e7 →Pb + SO2- Cd2+ + 2c <-Cd Fe²+ + 2e Fe Cr³+ + c Cr³+ + 3e Zn²+2c H₂ Fe -Pb Sn -Ni Na + e Ca²+ + 2e →Cr²+ <-Cr → Zn →→ H₂ + 2OH7 →Mn →→ Al H₂ +2e2H™ Mg2+ + 2c7 La + 3e → Mg La → Na - Ca Ba Ba²+2e K+c→ K Li+eLi 8° (V) 0.40 0.34 0.27 0.22 0.20 0.16 0.00 -0.036 -0.13 -0.14 -0.23 -0.35 -0.40 -0.44 -0.50 -0.73 -0.76 -0.83 -1.18 -1.66 -2.23 -2.37 -2.37 -2.71 -2.76 -2.90 -2.92 -3.05

Chemistry
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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What is the standard emf of the cell with the following overall reaction? Use the provided table for the standard reduction potentials of half-reactions. 2Fe2+ + 2Hg2+2Fe3+ + Hg22+ Express your answer in two decimal places. Table 11.1 Standard Reduction Potentials at 25°C (298 K) for Many Common Half-reactions Half-reaction F₂+2e-2F- Ag²+ + e → Ag' Co" te - Cot H₂O₂ + 2H+ + 2e →> Ce+eCe³+ PbO₂ + 4H+ SO4 MnO4 + 4H+ 3e 10₁ + 2H+ 2e MnO4 + 8H + Se Au +3e Au PbO₂ + 4H¹ + 2e → Pb²+ + 2H₂O Cl₂ + 2e → 2CI Cr₂O₂ + 14H+6e2Cr³+ + 7H₂O 2H₂0 +2e → PbSO4 + 2H₂O MnO₂ + 2H₂O 10, + H₂O O₂ + 4H+ 4e → 2H₂O MnO₂ + 4H+ 2e →Mn² + 2H₂O 12+ 3H₂O 10, + 6H + Se Br₂ +2e7 →2Br VO₂ + 2H+ c→ VO²+ + H₂O AuCl +3e7 → Au + 4CI™ NO3 + 4H+ 3e7 CIO₂+eClO₂ 2Hg2+2e7 → Hg₂+ Ag +eAg Hg₂+2e → 2Hg Fe³+ + c →Fe²+ Cu Mn² + 4H₂O → NO + 2H₂O O₂ + 2H+ 2e H₂O₂ MnO4 + MnO2- 12+ 2e21 Cute 8° (V) 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60 1.51 1.50 1.46 1.36 1.33 1.23 1.21 1.20 1.09 1.00 0.99 0.96 0.954 0.91 0.80 0.80 0.77 0.68 0.56 0.54 0.52 O₂ + 2H₂O + 4e Cu²+ + 2c → Cu 40H Hg₂Cl₂ +2e7 2Hg + 2C1 Ag+ CI AgCl + c - SO2 + 4H+ + 2c → H₂SO3 + H₂O Cu²+ + e 2H+ 2e Half-reaction → Cut → H₂ Fe +3e Pb²+ + 2e7 Fe -Pb Sn²+ + 2e-> Sn → Ni Ni2+ + 2e PbSO4 + 2e7 Cd2+ + 2c7 Fe2+ + 2e7 Cr³+ + e Cr³+3c→ Cr Zn²+2c Zn Ca²+2e7 Ba2+ + 2e →Pb + SO4²- -Cd Fe →Cr²+ 2H₂O +2e7 Mn²+ + 2e Al³+ + 3e H₂ +2e7 →217 Mg²+ + 2c→ Mg La + 3e7 <→La → Na Na e - Ca →Ba K+e → K Li+c → L →H₂ + 2OH →Mn →→ Al 8° (V) 0.40 0.34 0.27 0.22 0.20 0.16 0.00 -0.036 -0.13 -0.14 -0.23 <-0.35 -0.40 -0.44 -0.50 -0.73 -0.76 -0.83 -1.18 -1.66 -2.23 -2.37 -2.37 -2.71 -2.76 -2.90 -2.92 -3.05
Transcribed Image Text:What is the standard emf of the cell with the following overall reaction? Use the provided table for the standard reduction potentials of half-reactions. 2Fe2+ + 2Hg2+2Fe3+ + Hg22+ Express your answer in two decimal places. Table 11.1 Standard Reduction Potentials at 25°C (298 K) for Many Common Half-reactions Half-reaction F₂+2e-2F- Ag²+ + e → Ag' Co" te - Cot H₂O₂ + 2H+ + 2e →> Ce+eCe³+ PbO₂ + 4H+ SO4 MnO4 + 4H+ 3e 10₁ + 2H+ 2e MnO4 + 8H + Se Au +3e Au PbO₂ + 4H¹ + 2e → Pb²+ + 2H₂O Cl₂ + 2e → 2CI Cr₂O₂ + 14H+6e2Cr³+ + 7H₂O 2H₂0 +2e → PbSO4 + 2H₂O MnO₂ + 2H₂O 10, + H₂O O₂ + 4H+ 4e → 2H₂O MnO₂ + 4H+ 2e →Mn² + 2H₂O 12+ 3H₂O 10, + 6H + Se Br₂ +2e7 →2Br VO₂ + 2H+ c→ VO²+ + H₂O AuCl +3e7 → Au + 4CI™ NO3 + 4H+ 3e7 CIO₂+eClO₂ 2Hg2+2e7 → Hg₂+ Ag +eAg Hg₂+2e → 2Hg Fe³+ + c →Fe²+ Cu Mn² + 4H₂O → NO + 2H₂O O₂ + 2H+ 2e H₂O₂ MnO4 + MnO2- 12+ 2e21 Cute 8° (V) 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60 1.51 1.50 1.46 1.36 1.33 1.23 1.21 1.20 1.09 1.00 0.99 0.96 0.954 0.91 0.80 0.80 0.77 0.68 0.56 0.54 0.52 O₂ + 2H₂O + 4e Cu²+ + 2c → Cu 40H Hg₂Cl₂ +2e7 2Hg + 2C1 Ag+ CI AgCl + c - SO2 + 4H+ + 2c → H₂SO3 + H₂O Cu²+ + e 2H+ 2e Half-reaction → Cut → H₂ Fe +3e Pb²+ + 2e7 Fe -Pb Sn²+ + 2e-> Sn → Ni Ni2+ + 2e PbSO4 + 2e7 Cd2+ + 2c7 Fe2+ + 2e7 Cr³+ + e Cr³+3c→ Cr Zn²+2c Zn Ca²+2e7 Ba2+ + 2e →Pb + SO4²- -Cd Fe →Cr²+ 2H₂O +2e7 Mn²+ + 2e Al³+ + 3e H₂ +2e7 →217 Mg²+ + 2c→ Mg La + 3e7 <→La → Na Na e - Ca →Ba K+e → K Li+c → L →H₂ + 2OH →Mn →→ Al 8° (V) 0.40 0.34 0.27 0.22 0.20 0.16 0.00 -0.036 -0.13 -0.14 -0.23 <-0.35 -0.40 -0.44 -0.50 -0.73 -0.76 -0.83 -1.18 -1.66 -2.23 -2.37 -2.37 -2.71 -2.76 -2.90 -2.92 -3.05
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