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Find the voltage needed for the electrolysis of NiBr2(aq).

Find the voltage needed for the electrolysis of NiBr2(aq).

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Find the voltage needed for the electrolysis of NiBr2(aq).

Table 18.1 Standard Potentials in Water Solution at 25°C Acidic Solution, [H*] = 1 M Li"(agi + e K*(ag) + e Ba (agl + 20 Ca?*(agl + 20 Na *(ag) + o Mg (adt + 2e AP*(ag) + 3e" Mr?*(aql + 2e Zn?*(aq} + 2e C*laq\ + 3e Fe (ag + 2e Cr*laq\ + e -3.040 -2936 -2.906 -2.869 Bals) Cals) → Nals) Mgls) A(s) -2714 -2.357 -1.68 -1.182 ► Zn(s) -0.762 -0.744 -0.409 Fels -0.408 -0.402 PbSOds) + 20 TI'lad +e Co?*(agl + 2e NP*(agi + 2e Ag(s) + e¯ Sn (ag + 20 Po (agl + 2e 2H (ag) + 2e AgBr{s) + e¯ S(s) + 2H*(ag) + 2e Sn*(ad + 20 SO2-ladi + 4H*(ad + 20 Cu*(ad + e Cu²*lad + 2e Cu*(ag\ + e Us) + 20 Fe"(ad + e Hg*(ag) + 2e Ag*(ag) + o Pbls) + SOF-(aql -0.356 -0.336 -0 282 -0 236 -0.152 Co(s) → Ag(s) + I"(adt Sni s -0.141 P(s) -0.127 0.000 Agls) + Br"[ag] 0.073 0.144 0.154 0.155 SO + 2H,0 Cu*lag 0.161 0.339 0.518 0.534 Fe*{ag 0.769 0.796 0.799 0 908 0.964 Agls) NO,"(ag + 4H*(agl + 30 AuCL"lad) + 3e¬ Br + 20 O,al + 4H*lad + 46 Mn0As) + 4H*(aql + 20" Cr;0,7~(aq) + 14H*[ag) + 6e CAol + 20 CIO,"(aq) + 6H*(ag) + 5e" Au*(aql + 30¯ Mn0,"lag] + 8H*(ad + 5e PBO$) + SO2"lag] + 4H°(ag\ + 2e H,0/ad + 2H*lag + 2e Co*(ag +e FAGl + 20 NO + 2H,0 ► Au(s) + 4CI¯(aq\ 28r (ag 2H,0 Mn*(ag + 2H,0 →20*(ag) + 7H;0 →201"(ad 1.001 1.077 1.229 1.229 1.33 1.360 1.458 → Au(s) →Mr*(ag) + 4H,0 → PBSO&$) + 2H;0 2H,0 1.498 1.512 1.687 1.763 1.953 2.889 Bas e Solution, [OH¯] = 1 M Fe(OHs) + 2e 2H,0 + 2e" Fe(OHYS) + e S[s) + 2e NO,"(ag + 2H,0 + 30 NO,"(ag + H0 + 2e CIO,"(aq) + H,0 + 20 Odel + 2H,0 + 4e" CIO,"(ac) + 3H,0 + 6e" CIO-(ag) + H,0 + 20 Fols) + 20H-(ag) Hgl + 20H"{aq) Fe(OH{s + OH"(agl -0.891 -0 828 -0.547 -0.445 -0.140 Lie → NOld + 40H (ag NO;"(adt + 20H"{ag) CIO,"ladi + 20H-[ag) 4OH-(ad m 0.004 0.398 0.401 CI-(aq\ + 60H¯(ad ► CI-{aq} + 20H¯(ad 0.614 0.890 Increasing strength of reducing agents Increasing strength of oxldizing agents
Transcribed Image Text:Table 18.1 Standard Potentials in Water Solution at 25°C Acidic Solution, [H*] = 1 M Li"(agi + e K*(ag) + e Ba (agl + 20 Ca?*(agl + 20 Na *(ag) + o Mg (adt + 2e AP*(ag) + 3e" Mr?*(aql + 2e Zn?*(aq} + 2e C*laq\ + 3e Fe (ag + 2e Cr*laq\ + e -3.040 -2936 -2.906 -2.869 Bals) Cals) → Nals) Mgls) A(s) -2714 -2.357 -1.68 -1.182 ► Zn(s) -0.762 -0.744 -0.409 Fels -0.408 -0.402 PbSOds) + 20 TI'lad +e Co?*(agl + 2e NP*(agi + 2e Ag(s) + e¯ Sn (ag + 20 Po (agl + 2e 2H (ag) + 2e AgBr{s) + e¯ S(s) + 2H*(ag) + 2e Sn*(ad + 20 SO2-ladi + 4H*(ad + 20 Cu*(ad + e Cu²*lad + 2e Cu*(ag\ + e Us) + 20 Fe"(ad + e Hg*(ag) + 2e Ag*(ag) + o Pbls) + SOF-(aql -0.356 -0.336 -0 282 -0 236 -0.152 Co(s) → Ag(s) + I"(adt Sni s -0.141 P(s) -0.127 0.000 Agls) + Br"[ag] 0.073 0.144 0.154 0.155 SO + 2H,0 Cu*lag 0.161 0.339 0.518 0.534 Fe*{ag 0.769 0.796 0.799 0 908 0.964 Agls) NO,"(ag + 4H*(agl + 30 AuCL"lad) + 3e¬ Br + 20 O,al + 4H*lad + 46 Mn0As) + 4H*(aql + 20" Cr;0,7~(aq) + 14H*[ag) + 6e CAol + 20 CIO,"(aq) + 6H*(ag) + 5e" Au*(aql + 30¯ Mn0,"lag] + 8H*(ad + 5e PBO$) + SO2"lag] + 4H°(ag\ + 2e H,0/ad + 2H*lag + 2e Co*(ag +e FAGl + 20 NO + 2H,0 ► Au(s) + 4CI¯(aq\ 28r (ag 2H,0 Mn*(ag + 2H,0 →20*(ag) + 7H;0 →201"(ad 1.001 1.077 1.229 1.229 1.33 1.360 1.458 → Au(s) →Mr*(ag) + 4H,0 → PBSO&$) + 2H;0 2H,0 1.498 1.512 1.687 1.763 1.953 2.889 Bas e Solution, [OH¯] = 1 M Fe(OHs) + 2e 2H,0 + 2e" Fe(OHYS) + e S[s) + 2e NO,"(ag + 2H,0 + 30 NO,"(ag + H0 + 2e CIO,"(aq) + H,0 + 20 Odel + 2H,0 + 4e" CIO,"(ac) + 3H,0 + 6e" CIO-(ag) + H,0 + 20 Fols) + 20H-(ag) Hgl + 20H"{aq) Fe(OH{s + OH"(agl -0.891 -0 828 -0.547 -0.445 -0.140 Lie → NOld + 40H (ag NO;"(adt + 20H"{ag) CIO,"ladi + 20H-[ag) 4OH-(ad m 0.004 0.398 0.401 CI-(aq\ + 60H¯(ad ► CI-{aq} + 20H¯(ad 0.614 0.890 Increasing strength of reducing agents Increasing strength of oxldizing agents
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