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22 Jun 2020

What is the correct balanced overall reaction of the electrolysis of aqueous ? Given are the reduction potential of the different species in an aqueous solution.

Reaction value

General Chemistry 2

Solve problems involving electrolysis

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Related questions

The answer is D but I don't know why. Please provide an explanation to your answer.

Show transcribed image text Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy Î Go for the following redox reaction. Round your answer to 3 significant digits. 3Fe2 (aa)+Noj (a)+4H (aa)-3Fe (a)+ NO )+2H,00) kJ
Half-Reaction 2.866 192 1.776 1692 1.507 1.498 1.35827 F2 (g)+2e >2F (aq) Co3+ (aq) + e-â Co2+ (aq) H2O2 (aq) + 2H+ (aq) + 2e-â 2H2O (1) Au+ (aq) + e-â Au (s) MnO4" (aq) + 8H+ (aq) + 5e-â Mn2+ (aq) + 4H2O (1) Au3+ (aq) + 3e-â Au (s) Cl2 (g) + 2e-â 2Cl-(aq) O2 (g)+4H+ (a)4e2H2O() MnO2 (s) + 4H+ (aq) + 2e-â Mn2+ (aq) + 2H2O (l) 21O3 (aq) +12H (aq)+10e2 (s) 6H20 () Br2)2e2Br (aq) VO2+ (aq) + 2H+ (aq) + e-â VO2+ (aq) + H2O (l) HNO2 (aq) + H+ (aq) + e-â NO (g) + H2O (l) NO3 (a) 4H+ (aq) 3e NO (g) 2H20 () Ag+ (aq) + e-â Ag (s) 1.229 1.224 1.195 1.066 0.991 0.983 0.957 0.7996
Fe3+ (aq)eFe2+ (acq) 02 (g) + 2H+ (aq) + 2e-â H2O2 (aq) MnO4 (aq) 2H2O ()3eMnO2 (s40H (aq) l2 (s)+ 2e 2 (aq) Cu (aq)Cu (s) 02 (g) + 2H2O (l) + 4e-â 4OH-(aq) Cu2+ (aq) +2e> Cu (s) HSO4 (aq)3Ht (aq)2eH2SO3 (aq)+ H2O (0) Cu2+ (aq) + e-â Cu+ (aq) Sn4+ (aq) + 2e-â Sn2+ (aq) 2H+ (aq) + 2e-â H2 (g) Fe3+ (aq) 3e Fe (s) Pb2+ (aq) + 2e-â Pb (s) CrO42-(aq)4H20( 3e Cr(OH)3 (s)+50H- (aq) Sn2+ (aq)+2e> Sn (s) Ni2+ (aq)+2eNi (s) Co2+ (aq) + 2e-â Co (s) PbSO4 (s) + H+ (aq) + 2e-â Pb (s) + HSO4-(aq) 0.695 0.595 0.5355 0.521 0.401 0.3419 0.172 0.153 0.151 0.000 -0.037 -0.1262 -0.13 -0.1375 -0.257 -0.28 -0.3588
CrO42-(aq)4H20(3e Cr(OH)3 (s)+50H- (aq) Sn2+ (aq)+2e> Sn (s) Ni2+ (aq) + 2e, Ni (s) Co2+ (aq) + 2e-â Co (s) PbSO4 (s)H (aq)2ePb (sHSO4 (aq) Cr3+ (aq) + e-â Cr2+ (aq) Fe2+ (aq) +2e Fe (s) Cr3+ (aq) + 3e-â Cr(s) Zn2+ (aq)+2e Zn (s) 2H20 () 2eH2 (g) + 20H (aq) Cr2+ (aq)+2e Cr (s) N2 (g) 4H2O)+4e 40H (aq) N2H4 (aq) Mn2+ (aq)+ 2e Mn (s) Al3+ (aq)+3e Al (s) Sc3+ (aq)3eSc (s) Mg2+ (aa)+ 2e Mg (s) Nat (aq)eNa (s) Ca2+ (aq) + 2e-â Ca (s) Ba2+ (aq) + 2e-â Ba (s) -0.13 0.1375 -0.257 -0.28 0.3588 -0.407 -0.447 -0.744 0.7618 0.8277 -0.913 1.185 1.676 -2.077 2.372 2.71 2.868 2.912

Show transcribed image text Using standard reduction potentials from the ALEKS Data tab calculate the standard reaction free energy AGO for the following redox reaction. Round your answer to 3 significant digits. N2 H (ag)+40H (aq)+2CI2 () N2 ()+4H20 (0)+4CI (aq) kJ
Half-Reaction 2.866 192 1.776 1692 1.507 1.498 1.35827 F2 (g)+2e >2F (aq) Co3+ (aq) + e-â Co2+ (aq) H2O2 (aq) + 2H+ (aq) + 2e-â 2H2O (1) Au+ (aq) + e-â Au (s) MnO4" (aq) + 8H+ (aq) + 5e-â Mn2+ (aq) + 4H2O (1) Au3+ (aq) + 3e-â Au (s) Cl2 (g) + 2e-â 2Cl-(aq) O2 (g)+4H+ (a)4e2H2O() MnO2 (s) + 4H+ (aq) + 2e-â Mn2+ (aq) + 2H2O (l) 21O3 (aq) +12H (aq)+10e2 (s) 6H20 () Br2)2e2Br (aq) VO2+ (aq) + 2H+ (aq) + e-â VO2+ (aq) + H2O (l) HNO2 (aq) + H+ (aq) + e-â NO (g) + H2O (l) NO3 (a) 4H+ (aq) 3e NO (g) 2H20 () Ag+ (aq) + e-â Ag (s) 1.229 1.224 1.195 1.066 0.991 0.983 0.957 0.7996
Fe3+ (aq)eFe2+ (acq) 02 (g) + 2H+ (aq) + 2e-â H2O2 (aq) MnO4 (aq) 2H2O ()3eMnO2 (s40H (aq) l2 (s)+ 2e 2 (aq) Cu (aq)Cu (s) 02 (g) + 2H2O (l) + 4e-â 4OH-(aq) Cu2+ (aq) +2e> Cu (s) HSO4 (aq)3Ht (aq)2eH2SO3 (aq)+ H2O (0) Cu2+ (aq) + e-â Cu+ (aq) Sn4+ (aq) + 2e-â Sn2+ (aq) 2H+ (aq) + 2e-â H2 (g) Fe3+ (aq) 3e Fe (s) Pb2+ (aq) + 2e-â Pb (s) CrO42-(aq)4H20( 3e Cr(OH)3 (s)+50H- (aq) Sn2+ (aq)+2e> Sn (s) Ni2+ (aq)+2eNi (s) Co2+ (aq) + 2e-â Co (s) PbSO4 (s) + H+ (aq) + 2e-â Pb (s) + HSO4-(aq) 0.695 0.595 0.5355 0.521 0.401 0.3419 0.172 0.153 0.151 0.000 -0.037 -0.1262 -0.13 -0.1375 -0.257 -0.28 -0.3588
CrO42-(aq)4H20(3e Cr(OH)3 (s)+50H- (aq) Sn2+ (aq)+2e> Sn (s) Ni2+ (aq) + 2e, Ni (s) Co2+ (aq) + 2e-â Co (s) PbSO4 (s)H (aq)2ePb (sHSO4 (aq) Cr3+ (aq) + e-â Cr2+ (aq) Fe2+ (aq) +2e Fe (s) Cr3+ (aq) + 3e-â Cr(s) Zn2+ (aq)+2e Zn (s) 2H20 () 2eH2 (g) + 20H (aq) Cr2+ (aq)+2e Cr (s) N2 (g) 4H2O)+4e 40H (aq) N2H4 (aq) Mn2+ (aq)+ 2e Mn (s) Al3+ (aq)+3e Al (s) Sc3+ (aq)3eSc (s) Mg2+ (aa)+ 2e Mg (s) Nat (aq)eNa (s) Ca2+ (aq) + 2e-â Ca (s) Ba2+ (aq) + 2e-â Ba (s) -0.13 0.1375 -0.257 -0.28 0.3588 -0.407 -0.447 -0.744 0.7618 0.8277 -0.913 1.185 1.676 -2.077 2.372 2.71 2.868 2.912

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