Химия Вариант 81

1

2

3

266

Cd

CdCl2

SnCl4

Pt

[Cd2+]=0,1; [Sn4+]=1;

SnCl2

[Sn2+]=0,1

267

Zn | ZnCl2 || KCl | Pt(Cl2)

[Zn2+]=0,5;

p(Cl2)=1атм; [Cl-]=0,1

268

Pt(H2) | H2SO4 ||KCl |Pt(Cl2)

p(H2)=1атм;

p(Cl2)=1атм; [Cl-]=0,1

269

Pt(H2) | H2 SO4 || KI | Pt(I2)

p(H2)=1атм;

pH=2;

p(I2)=1атм; [I-]=0,1

[Cu2+]=0,5;

270

Cu

Cu SO4

SnCl4

Pt

SnCl2

[Sn4+]=1;[Sn2+]=0,1

271

Pt

SnCl4

Hg(NO3)2

Hg

[Sn4+]=0,5; [Hg2+]=0,1;

SnCl2

[Sn2+]=0,1

[Zn2+]=0,01; [Fe3+]=1;

272

Zn

Zn SO4

Fe2(SO4)3

Pt

FeSO4

[Fe2+]=1

273

Co | CoSO4 || Cu SO4 | Cu

[Co2+]=0,1; [Cu2+]=1

[Cu2+]=0,1; [Fe3+]=1;

274

Cu

Cu(NO3)2

Fe(NO3)3

Pt

Fe(NO3)2

[Fe2+]=0,1

275

Cr | CrCl3 || CdCl2 | Cd

[Cr3+]=0,01; [Cd2+]=1

Таблица 12

№

Окислительно-восстановительная реакция, проте-

задач

кающая в гальваническом элементе

276

Zn+H2SO4 = ZnSO4+H2

41

277

Zn+CuSO4 = ZnSO4+Cu

278

SnCl2+2FeCl3 = SnCl4+2FeCl2

279

Cu+2FeCl3= 2FeCl2+CuCl2

280

Cd+CuSO4=CdSO4+Cu

281

Zn+NiSO4=ZnSO4+Ni

282

Cu+2AgNO3=Cu(NO3)2+2Ag

283

2CrCl2+SnCl4=2CrCl3+SnCl2

284

Mn+H2SO4=MnSO4+H2

285

Zn+SnCl4=ZnCl2+SnCl2

286

Mn+ZnSO4=MnSO4+Zn

287

Cu+Hg(NO3)2=Cu(NO3)2+Hg

288

Cd+H2SO4=CdSO4+H2

289

Zn+NiSO4=ZnSO4+Ni

290

Mn+2CrCl3=2CrCl2+MnCl2

291

Zn +2 FeCl3=2 FeCl2+ ZnCl2

292

2CrCl2+SnCl4=SnCl2+2CrCl3

293

Cd+NiSO4=CdSO4+Ni

294

Al+3CrCl3=AlCl3+3CrCl2

295

Fe+SnCl4=SnCl2+FeCl2

296

H2+CuSO4=H2SO4+Cu

297

Zn+Hg(NO3)2=Zn(NO3)2+Hg

298

Co+H2SO4=CoSO4+H2

299

Fe+NiSO4=FeSO4+Ni

300

Sn+Hg(NO3)2=Sn(NO3)2+Hg

№

Уравнение реакции

зад.

301

Cl2+K2SO4+H2SO4---S+KClO3+H2O

302

Cu(NO3)2+KI---CuI+I2+KNO3

303

HMnO4+Bi(NO3)3+KNO3+H2O--

Mn(NO3)2+KBiO3+HNO3

304

KI+FeCl3---I2+FeCl2+KCl

305

Cd+HNO3---Cd(NO3)2+NO+H2O

306

KF+FeCl3---F2+FeCl2+KCl

307

S+NaBr---Na2S+Br2

308

Se+KOH---K2SeO3+K2Se+H2O

309

Hg+Pb(NO3)2---Hg(NO3)2+Pb

310

Mg+H2SO4---MgSO4+H2S+H2O

311

KNO3+HBr---KNO2+Br2+H2O

312

K2S+NaClO+H2O---S+KOH+NaCl

313

Br2+Cl2+H2O---HBrO3+HCl

314

Na2SO3+HNO3---Na2SO4+NO+H2O

315

FeCl3+NO+H2O---FeCl2+HNO3+HCl

316

H2SeO3+H2O2---H2SeO4+H2O

317

H2SO4+HBr---H2SO3+Br2+H2O

318

SnCl2+HNO3+HCl---SnCl4+NO+H2O

319

K4[Fe(CN)6]+Cl2---K3[Fe(CN)6]+KCl

320

GeO2+NO2+H2O---Ge+HNO3

321

FeCl2+H[AuCl4]---Au+FeCl3+HCl

322

PbO2+HCl---PbCl2+Cl2+H2O

323

Na2SeO3+KMnO4+KOH---Na2SeO4+ K2MnO4+ H2O

324

Cl2+MnCl2+KCl+H2O---KMnO4+HCl

325

I2+NaCl+K2SO4+H2O---KI+NaClO+H2SO4

Предпослед-

Последняя цифра шифра

няя цифра

0

1

2

3

4

5

6

7

8

9

шифра

1,26,51,76,

11,27,53,77,

21,28,56,79,

6,29,60,82,

16,30,65,86,

1,31,71,91,

11,32,53,97,

21,33,61,79,

6,34,70,87,

16,35,55,96,

125,135,155,115,134,170,105,133,161,

120,132,153,

110,131,171,

125,130,165,

115,129,160,

105,128,156,

120,127,153,

110.126,151,

0

196,206,231,181,221,232,190,211,233,

198,201,234,

180,216,235,

186,206,236,

191,221,237,

195,211,238,

198,201,239,

200,216,240,

255,294, 325

270,293, 324260,262, 322

275,291,319

265,290,315

255,289,310,270,288,

304260,287,322,275,286,314

265,285,305

2,36,52,78,

12,37,55,80, 22,38,59,83,

7,39,64,87,

17,40,70,92,

2,41,52,98,

12,42,60,80,

22,43,69,88, 7,44,54,97,

17,45,64,81,

1

124,145,164,

114,144,154,104,143,169,

119,142,160,

109,141,152,

124,140,170,

114,139,164,

104,138,159,119,137,155,

109,136,152,

187,207,246,197,222,247,182,212,248,

191,202,249,

199,217,250,

181,207,226,

187,222,227,

192,212,228,196,202,229,

199,217,230,

254,280, 323269,279,321

259,278,318

274,277,314

264,276,309

254,300,303

269,299,321

259,297,313

274,296,304

264,295, 320

3,46,54,81,

13,47.58,84,

23,48,63,88,

8,49,69,93,118,

18,50,51,99,

3,26,59,81,

13,27,68,89,

23,28,53,98, 8,29,63,82,118,

18,30,72,90,

2

123,130,172,113,129,163,103,128,153,

127,168,183,

108,126,159,

123,150,151,113,149,169,

103,148,163,147,158,193,

108,146,154,

179,208,236,188,223,237,198,213,238,

203,239, 273,

192,218,240,

200,208,241,182,223,242,

188,213,243,203,244,273,

197,218,245,

253,284,320

268,283,317

258,282,313

281,308

263.280,302

253,279,320

268,278,312

258,277,303 276,319

263,300,311

4,31,57,85,

14,32,62,89,

24,33,68,94,

9,34,75,100,

19,35,58,82,

4,36,67,90,

14,37,52,99,

24,38,62,83, 9.39,71,91,

19,40,54,98,

3

122,140,154,112,139,171,102,138,162,

117,137,152,

107,136,167,

122,135,158,112,134,175,

102,133,168,117,132,162,

107,131,157,

197,209,226,180,224,227,189,214,228,

199,204,229,

184.219.230,

193,209,231,176,224,232,

183,214,233,189,204,234,

194,219,235,

252,299,316

267,298,312,

257,297,307

272,290,301

262,295,319

252,294,311

267,293,302

257,292,318,272,291,310

262,290,303

5,41,61,90,

15,42,67,95,

25,43,74,76,

10,44,57,83,

20,45,66,91,

5,46,51,100,

15,47,61,84,

25,48,70,92, 10,49,53,99,

20,50,60,80,

121,150,160,

11,149,153,

101,149,170,

116,147,161,

106,146,151,

121,145,166,

111,144,157,

101,143,174,116,142,167,

106,141,161,

4

191,210,241,

198,225,242,

181,215,243,

190,205,244,

200,220,245,

185,210,246,

194,225,247,

177,215,248,184,205,249,

190,220,250,

251,289,311

266,288,306

256,287,325

271,286,318

261,295,310

251,284,301

266,283,317

256,282,309,271,281,302

261,280,321

0

1

2

3

4

5

6

7

8

9

6,26,66,96,1

16,27,73,77,

1,28,56,84,

11,29,65,92,

21,30,75,76,

6,31,60,85,

16,32,69,93,

1,33,52,100,

11,34,59,81,

4,35,65,86,

5

20,135,165,1

110,134,159,

125,133,152,

115,132,169,

105,131,160,

120,130,175,

110,129,165,

125,128,156,

115 127,173,

105,126,166,

86,211,231,

192,201,232,199,216, 233,

182,206,234,

191,221,235,

176,211,236,

186,201,237,

195,216,238,178,206,239,

185,221,240,

275,279,305

265,278,324

255,277,317

270,276,309

260,300,325

275,299,316

265,298,308

255,297,301

270, 296,320

260,295,315

7,36,72,78,

17,37,55,85, 2,38,64,93,

12,39,74,77,

22,40,59,86,

7,41,68,94,

17,42,54,76,

2,43,58,82,

12,44,64,87,

22,45,69,91,

6

119,145,169,

109,144,164,124,143,158,

114,142,151,

104,141,168,

119,140.159,

109,139,174,

124,138,164,114,137,155,

104,136,172,

182,212,246,

187,202,247,193,217,248,

200,207,249,

183,222,250,

192,212,226,

177,202,227,

187,217,228,196,207,229,

179,222,230,

274,294,323

264,293,316

254,292,308

269,291,324

259,290,315

274,289,307

264,288,325

254,287,319

269,286,314

259,285,310

8,46,54,86,

18,47,63,94, 3,48,73,78,

13,49,58,87,

23,50,67,95,

8,26,75,77,

18,27,57,83,

3,28,63,88,

13,29,68,92,

23,30,72,95,

7

118,130,172,

108,129,168,123,128,163,

113,127,157,

103,126,175,

118,150,167,

108,149,158,

123,148,173,113,147,163,

103,146,154,

179,213,236,

183,203,237,188,218,238,

194,208,239,

176,223,240,

184,213,241,

193,203,242,

178,218,243,188,208,244,

197,223,245,

273,284,315

263,283,307

253,282,232

268,281,314

258,280,306

273,279,324

263,278,318

253,277,313

268,276,309

258,298,306

9,31,62,95,

19,32,72,79, 4,33,57,88,

14,34,66,96,

24,35,74,78,

5,36,56,84,

19,37,62,89,

4,38,67,93,

14,39,71,96,

24,40,98,102,

8

117,140,174,

107,139,171,122,138,167,

112,137,162,

102,136,156,

117,135,174,

107,134,166,

122,133,157,112,132,172,

131,162,189,

177,214,226,

180,204,227,184,219,228,

189,209,229,

195,224,230,

177,214,231,

185,204,232,

194,219,233,179,209,234,

224,235,257,

272,300,306

262,299,322

252,298,313

267,297,305

257,296,323

272,295,317

262,294,312

252,293,308

267,292,305

291,303,347

10,41,71,80,

20,42,56,89, 5,43,65,97,

15,44,73,79,

25,45,55,85,

10,46,61,90,

20,47,66,94,

5,48,70,97,

15,49,99,111,

25,50,75,100,

9

116,150,175,

106,149,173,121,148,170,

111,147,166,

101,146,161,

116,145,155,

106,144,173,

121,143,165,142,156,195,

101,141,171,

176,125,141,

178,205,242,181,220,243,

185,210,244,

190,225,245,

196,215,246,

178,205,247,

186,220,248,210,249,266,

180,225,250,

271,290,321

261,289,312

251,288,304

266,287,322

256,286,316

271,285,311

261,284,307

251,283,304

282,302,346

256,281,301

I

II

III

IV

V

VI

VII

H

2,1

Li

Be

B

C

N

O

F

1

1,5

2,0

2,5

3,0

3,5

4,0

Na

Mg

Al

Si

P

S

Cl

0,9

1,2

1,5

1,8

2,1

2,5

3,0

K

Ca

Sc

Ti

0,8

1,0

1,3

1,6

Zn

Ga

Ge

As

Se

Br

1,6

1,6

1,7

2,0

2,4

2,8

Rb

Sr

Y

Zr

0,8

1,0

1,3

1,6

In

Sn

Sb

Te

I

1,5

1,7

1,8

2,1

2,6

Cs

Ba

0,7

0,9

II. Стандартные теплоты образования и энтропии неко-

торых веществ.

Вещество

ΔН0298, кДж/моль

S0298, Дж/моль·К

Ag (к)

0

42,58

Al (к)

0

28,31

Al2O3 (к)

-1675,00

50,94

AlCl3 (к)

-697,40

109,29

AlF3 (к)

-1510,42

66,48

As (к)

0

35,10

AsH3 (г)

135,27

222,67

B (к)

0

5,87

B2H6 (г)

194,72

233,06

49

B2O3 (к)

-1270,00

53,84

B2O5 (к)

-865,26

272,37

BBr3 (г)

-116,77

324,22

BF3 (г)

-1137,64

254,47

BN (к)

-252,6

14,8

Br2 (г)

30,92

245,54

Br2 (ж)

0

152,30

C (алм)

1,83

2,37

C (гр)

0

5,74

CCl4 (ж)

-132,8

216,19

C2H2 (г)

226,75

200,80

C2H4 (г)

52,28

219,40

CH4 (г)

-74,85

186,19

СН3ОН(г)

-201,0

239,76

Cl2 (г)

0

223,00

CO (г)

-110,6

197,68

CO2 (г)

-393,51

213,60

COCl2 (г)

-219,50

283,64

CS2(г)

116,70

237,80

Cu (к)

0

33,14

CuCl2 (к)

-205,85

108,07

СаСO3(к)

-1206,83

91,71

СаO(к)

-635,09

38,07

Fe (к)

0

27,17

FeO (к)

-265,0

60,79

Fe2O3 (к)

-822,7

87,5

Fe3O4 (к)

-1117,9

146,29

Ge (к)

0

31,09

GeCl4 (г)

-504,6

347,7

H2 (г)

0

130,60

H2O (г)

-241,84

188,74

H2O (ж)

-285,84

69,96

H2O (к)

-291,85

39,33

50