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12, land Fe2", Fe3- 2(3) + 2FE²-(aq) eTextbook and Media Hint Mg, Mg2* and Cr, Cr3+ Co. Co2 and H,SO2. SO,2-

12, land Fe2", Fe3- 2(3) + 2FE²-(aq) eTextbook and Media Hint Mg, Mg2* and Cr, Cr3+ Co. Co2 and H,SO2. SO,2-

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 160MP
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Based only on the half-reactions in table below, determine what spontaneous reaction will occur if the following substances are mixed together. Include physical states in your answer. Standard Reduction Potentials at 25 °Cc Half-Reaction E° (volts) F2(g) + 2e = 2F (ag) +2.87 S,O,-(ag) + 2e = 2S0, (ag) +2.01 PbO,(6) + HSO, (ag) + 3H*(ag) + 2e = Pbso,(6) + 2H,0 +1.69 2HOCI(aq) + 2H*(ag) + 2e Mno, (ag) + 8H* (ag) + 5e = Cl,(g) + 2H,0 +1.63 Mn²+(aq) + 4H,0 +1.51 Pb2+ (aq) + 2H,0 Br (ag) + 3H20 PbO2(s) + 4H+(ag) + 2e = +1.46 BrO, (ag) + 6H*(aq) + 6e Au*"(ag) + 3e +1.44 Au(s) +1.42 Cl(g) + 2 = 2CF (ag) +1.36 O,lg) + 4H*(aq) + 4e = 2H,0 +1.23 Br2(aq) + 2e = 2Br (aq) +1.07 NO, (aq) + 4H*(aq) + 3e = NO(g) + 2H20 Ag*(aq) + e Fe+(ag) +e = Fe?+ (ag) +0.96 Ag(s) +0.80 || +0.77 21 (ag) NiO2(s) + 2H,0 + 2e = Cu?+(ag) + 2e = Cu(s) 1,(s) + 2e +0.54 Ni(OH)2() + 20H (aq) +0.49 +0.34 so (aq) + 4H*(aq) + 2e = AgBr(s) +e = Ag(s) + Br (ag) H,SO,(ag) + H,0 +0.17 +0.07 2H*(aq) + 2e H,(g) Sn2+ (aq) + 2e = Sn(s) -0.14 Ni?*(ag) + 2e Ni(s) -0.25 Co+(aq) + 2e PbSO,(6) + H*(ag) + 2e = Pb(s) + HSO, (ag) Cd2+(ag) + 2e = Cd(s) Co(s) -0.28 | -0.36 -0.40 Fe*(ag) + 2e = Fe(s) -0.44 Cr* (ag) + 3e = Cr(s) -0.74 Zn* (ag) + 2e = Zn(s) -0.76 2H,0 + 2e = H,(g) + 20H(ag) -0.83 Al+ (ag) + 3e = Al(s) -1.66 Mg**(ag) + 2e = Mg(s) -2.37 Na*(ag) + e = Na(s) -2.71 Ca+ (ag) + 2e = Ca(s) -2.76
Transcribed Image Text:Based only on the half-reactions in table below, determine what spontaneous reaction will occur if the following substances are mixed together. Include physical states in your answer. Standard Reduction Potentials at 25 °Cc Half-Reaction E° (volts) F2(g) + 2e = 2F (ag) +2.87 S,O,-(ag) + 2e = 2S0, (ag) +2.01 PbO,(6) + HSO, (ag) + 3H*(ag) + 2e = Pbso,(6) + 2H,0 +1.69 2HOCI(aq) + 2H*(ag) + 2e Mno, (ag) + 8H* (ag) + 5e = Cl,(g) + 2H,0 +1.63 Mn²+(aq) + 4H,0 +1.51 Pb2+ (aq) + 2H,0 Br (ag) + 3H20 PbO2(s) + 4H+(ag) + 2e = +1.46 BrO, (ag) + 6H*(aq) + 6e Au*"(ag) + 3e +1.44 Au(s) +1.42 Cl(g) + 2 = 2CF (ag) +1.36 O,lg) + 4H*(aq) + 4e = 2H,0 +1.23 Br2(aq) + 2e = 2Br (aq) +1.07 NO, (aq) + 4H*(aq) + 3e = NO(g) + 2H20 Ag*(aq) + e Fe+(ag) +e = Fe?+ (ag) +0.96 Ag(s) +0.80 || +0.77 21 (ag) NiO2(s) + 2H,0 + 2e = Cu?+(ag) + 2e = Cu(s) 1,(s) + 2e +0.54 Ni(OH)2() + 20H (aq) +0.49 +0.34 so (aq) + 4H*(aq) + 2e = AgBr(s) +e = Ag(s) + Br (ag) H,SO,(ag) + H,0 +0.17 +0.07 2H*(aq) + 2e H,(g) Sn2+ (aq) + 2e = Sn(s) -0.14 Ni?*(ag) + 2e Ni(s) -0.25 Co+(aq) + 2e PbSO,(6) + H*(ag) + 2e = Pb(s) + HSO, (ag) Cd2+(ag) + 2e = Cd(s) Co(s) -0.28 | -0.36 -0.40 Fe*(ag) + 2e = Fe(s) -0.44 Cr* (ag) + 3e = Cr(s) -0.74 Zn* (ag) + 2e = Zn(s) -0.76 2H,0 + 2e = H,(g) + 20H(ag) -0.83 Al+ (ag) + 3e = Al(s) -1.66 Mg**(ag) + 2e = Mg(s) -2.37 Na*(ag) + e = Na(s) -2.71 Ca+ (ag) + 2e = Ca(s) -2.76
12, I'and Fe2*, Fe3- I2(3) 2FE2- (aq) eTextbook and Media Hint Mg, Mg2- and Cr, Cr3+ Co, Co2* and H2SO3, SO,2-
Transcribed Image Text:12, I'and Fe2*, Fe3- I2(3) 2FE2- (aq) eTextbook and Media Hint Mg, Mg2- and Cr, Cr3+ Co, Co2* and H2SO3, SO,2-
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