电化学原理_第三版_李荻_课后答案

1K

FKKClViEViKH2OVHKH2O.0101

142.31061cm 20.0288cms

550.62

VK0.0050cmsVCl0.0051cms1 3,

H2

O,KOH,HCl,KClcm2eq1, c

42cHcOH,,tt

1,1,Na1.00476.3315.5101cm 11,CltCl,KClcm2mol(KCl

,Cl,K73.49cm2mol

,K50.141cm2mol,Clcm2mol1(NaCl12

KCl

3

5NaCl ,Cl142.82cm2mol,Naa126.45cm2mol1 ,Cl uo,i,Cl/F,uo,Cl7.91104cmm/o,KcCu2=y

10cm2/vs,,Na5.2010cm2/vs Cu(OH)2== Cu2++2OH-,cOHS=4y3y=1.3610-4mol/dm3u=ui=KH2O+10-3[y2++2y-]

Ks=4y3=1.006

610-11 (mol/dm3)3 AgIO3==Ag+IO3

Ag=y cIO=y3KS=y2K= Ki=KH2O+10y+y 3 =KH2O+10y3AgIO3

7,HCl31.74104mol/L; =390.7

_KS= y2=3.03108(mol/L)2 ,HAc,HAc=+,NaAc-,NaClcm2eq1=9.021cm2eq /

8=0.023K=2/(1)V=1.6910 0.79V lilil100051010103

IR=iS=,K=,IR==KSK10001260.5

log=-0.5115|Z||Z|25C 9

11210 =0.9740=0.9101 3 1I=241mizi,I=22cizi2m=mm =0.6487=0.8114 0.2090.4=1.08

aH=mHpH=-logaH=-log1

Sb2O36H6e2Sb3H2O3H26H6eSb2O33H22Sb3H2O

2H2OEE02 2CSn2CFe30.05910.001(0.01)2log=0.771-0.15+=0.6505V2220.01(0.001)CSn4CFe2

Ag

EE0Ag(0.1m)eaAg(1m)aAg(0.1m)

0.4VAg(1m)eE00.1mAgNO3 AgAg(1m)Ag(0.1m)1mAgNO3

30.72VE2.3RT10.4logF0.10.720.044V Hg|Hg2Cl2(s),KCl(m)|Cl2(PCl2),Pt

2HgClHg2Cl22eCl22e2Cl

2HgCl2Hg2Cl2

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2PCl2aHgaHg2Cl2 EEE0E000E1.35950.26811.0914V(25OC) aClEE

Pt,H2(1atm)|HCl(aH00aClE 41)AgNO3(m)Ag 2Ag

2.3RTlog(mAgF)

AgAgH2E2H2e2Ag0AgAg2eEH22Ag2H2Ag Hg|Hg2Cl2(s),KCl(

:Pt,H2

(1atm)|0

PbPb2)AgNO3(m)AgE2.3RTlog(mAgF, ) E2.3RTlog(2F

:Pt,H2(1atm)|0

Fe3HFe2+ E2.3RTlog(F

5ZnZnSO4(m),PbPbCl2(s),6Pt,H2(1atm)|HCl(0 2.3RTlogaClF E

70.22240.0591log(0.790.1)0.2876VEa

a2.3RT1log"FaCl2.3RT1log'FaClaCl)a'aCl2.3RTlog"FaCla"=0.01ma'=0.1m aCl) 0.10.780.078,(a

) 0.010.9040.00904,(aEb

Eb2Ea(2t

Ea1)2.3RTlog(F)(20.3891)0.0591log0.046VEbEa0.01V 0.0780.009040.0123V 0.0591V,Eb

8

Pt,H2(1atm)|HI(a1)|I2(s),Pt

H2

EEE00,0

E02H2eI22eE02IE0 H2I22HI (3525)0.5333V 2.3RTlog(aHI)22F0.53460.1310nFE0KRTlnKlnK

E2965000.533340.19102.9kJ K

K2.861017 5.35108 00

Hg2Cl22e51.5kJ9 H22H2e,2HgCl,H2Hg2Cl22Hg2Cl2H

aCl e

AgCle2Cl2eHgClAg2Cl2AgClHgAgCl

nFEnFT

Zn965000.04554.391kJmol 1965002980.338105.329kJmol 12nFT1965002980.33810332.617JmolK CuZnCu2CuZn2 Zn22eCu22e

QpnFEnFT

2965001.101296500

189.8kJmol

E0nFT277.2JmolK aCu21KCu2F0

0nFEE,logKCu203RTlnK02e10aZn221.10137.262.3RT0.00581Cu0207.951037e2Cu0

000.337V000.520VF0.33720.5200.154V

22H2O(g)2pHO22pH2pO2V

2022aHlogpH2O)0.544)2log76021.16VE21.160.061.22V

Zn2Cu2H

Zn20Zn2

Cu2Cu2aZn2aCu20.39)V0.41)0.27V0.30V

Zn

H2.3RTlogaHF0.0591(5)CuH2

Zn

0.83

CCu2iaCu2400log

aCu2402(0.830.337)0.059139.49aCu23.24103.24100.41Pb7.9102emolL2FPbF2Pb2FPbF22ePb2Pb2

00logKsKs00)0.35020.1263)Zn22eHg2Cl2

2e2Hg2Cl7.58Hg2Cl2KsZn2.63102Hg2ClZnZn2

Eb,1

at2F20.7044,1

t

HtHCl0.704483.859.03cm2eqCl(1t)HCl24.771cm2eq

aaAb bB1902.3RTmpHnF

0.0591141.33pH6

0aaAbbBaCrO2223aCr30.2681logaHCdO

pH1.330.138pH0.00985logaCrO223a2Cr3 0.05912logaCl220.26810.0591logaCllogaHCdOlogaOHlogKlogaCdOHpHlogaOHlogaH2O2logKlogK214logaOH14logaHCdO

pH7.68

3H

1068.7Fe2pH3H2O14.53FeOH2FeOHeai

Zn22e

2Zn2HZn2

ZnOH

2H

2e2e20.94V2H2OpH11.892pH2pH0.7630.0295logaZn210.96logaZn229.78logaZn2ZnOH2ZnO22H2ZnnOHZnOnO22Zn2H2Zn2H20.4370.0591pH0.440.118pH0.0296logaZnO224H0.2630.118pH

1.5V

Zn

1.0V8.48pH11.89 1.00.5pH11.89

0.0a

-0.5

-1.0

-1.5 0

2468101214

1Ed

dq0r:08.851012,E2105108.8510405.6108Vm2V

0.4130.392

0.20.4qCC

q36-0.2~-0.40.13J

mV0.13Cm24.79cm2C0.63q

Cl

CdCdCl

q

q0

5

7 Cddq

d

2323q1b

q2121b2bbb

q1q22213b;b

q2

b,C1b223

q1q2q

1bC8

qc0.05910.222c

c0.0010.1q

c

ZShZZq2.648100.001molLSh1q2.64810137.7642.3log75.54.32537.764

cln0.1038V

0.37V0.222V0.1molLCd~9NaCl

NaCl~0.27VClCl

1Cu2He2eCu1H22

cTT25oC25oC0aCu2c0.13V0.1300.23a2.3RTlogaHF

23

00.0591log20.1300.28V0.28V2H2eH2logaH6.5cH,0.0591logaH1.230.846VZn2,2eZnZnH

2Zn22e0.817VaZn22H2e0.10.15V1.1350.318V5j1j2j1nFv1nfKcj2nFv2nFKc81% 1

0.193j20.193j118.62

6jj193m2nFv296500110193m2jnFv2965000.2548250m2

j

j7jj193m2jjj4825019348057m2v1

Kc

v2KcW1

v2v1v2W

21000v1

W1W2RTlnv2v1ln1038.3129817106Jmol

17106Jmol

80mZn20.3310.7V0.77a00jd1

3

4jd3c0jd1jd23jdnFD5Cd2

jc0.50.0462tCd2jc

5

jnFDdcdxx2965000.510

log8100.077cm21.941jjd0.0115

csc0

20.01150.023molL

102sscO0cOjdnFD8.67102molLc00.124930.2895cm20.059120.132Vj0.2cm20.142V

10

j0s

96500610

571020.405

Acm2

1.29102cm

csc0

1101log10.1molL

20.7

jaj0

jaj02

43NaCNZnCN

j14(Wj0)Ni22e

NiTafeljcj0

j2100.040.424V

20aCu2aCu20.116molL0.3448V0.06molL

j0logj0jclog109logjc0.473

jc2.97cm2

7cj0j2.3RTjlog0jcFlogj090.94logjc

8.99jc9.8108cm2