Chem Table – Enthalpy of Formation

This table is valid for the temperature 25 C

Chemical Substance (state)

∆Hf (kJ/mol)

Ag(s)

0

Ag+(aq)

105

AgBr(s)

-100

AgCN(s)

164

AgCl(s)

-128

Ag2CrO4(s)

-712

AgI(s)

-62

Ag2O(s)

-32

Ag2S(s)

-40

Al(s)

0

Al2O3(s)

-1675

Al(OH)3(s)

-1276

AlCl3(s)

-704

Al2(SO4)3 (s)

-3440

Ba(s)

0

BaCO3(s)

-1220

BaO(s)

-582

Ba(OH)2(s)

-945

BaSO4(s)

-1465

BaCl2(s)

-858

Be(s)

0

BeO(s)

-600

Be(OH)2(s)

-903

Br2(l)

0

Br2(g)

31

Br2(aq)

-3

BrF3 (g)

-255

Br(aq)

-120

Cd(s)

0

CdO(s)

-259

Cd(OH)2(s)

-560

CdS(s)

-162

CdSO4(s)

-935

Ca(s)

0

Ca2+(g)

1925

CaC2(s)

-63

CaCl2(s)

-796

CaCl2(aq)

-877

CaCO3(s)

-1206

CaF2(s)

-1220

CaH2(s)

-186

CaO(s)

-635

Ca(OH)2(s)

-985

Ca(OH)2(aq)

-1003

Ca3(PO4)2(s)

-4125

CaSO4(s)

-1435

CaSiO3(s)

-1630

C(s) graphite

0

C(s) diamond

2

CO(g)

-110

CO2(g)

-394

CS2(l)

89

CS2(g)

117

CH4(g)

-75

CH3OH(g)

-200

CH3OH(l)

-240

CH2O(g)

-115

CHOOH(g)

-363

CHN(g)

135

C2H2(g)

227

C2H4(g)

52

CH3CHO(g)

-165

C2H5OH(l)

-278

C2H6(g)

-85

C3H6(g)

21

C3H8(g)

-105

C2H4O(g)

-53

CH3COOH(l)

-485

C6H12O6(s) glucose

-1275

CCl4(l)

-135

CCl4(g)

-104

Cs(s)

0

Cs(g)

76

Cs(l)

2

Cs+(g)

458

CsCl(s)

-443

Cl2(g)

0

Cl2(aq)

-23

Cl(aq)

-165

Cr(s)

0

Cr2O3(s)

-1128

CrO3(s)

-580

Cu(s)

0

CuCO3(s)

-595

Cu2O(s)

-170

CuO(s)

-156

Cu(OH)2(s)

-450

CuS(s)

-50

F2(g)

0

F(aq)

-333

Fe(s)

0

Fe3C(s)

20

FeCl3(s)

-400

FeO(s)

-272

Fe3O4(s)

-1118

Fe2O3(s)

-825

FeS(s)

-96

FeS2(s)

-178

FeSO4(s)

-929

HBr(g)

-35

HCl(g)

-92

HF(g)

-270

H2(g)

0

H(g)

217

H+(g)

0

HCN(g)

130

OH(g)

-230

H2O(l)

-286

H2O(g)

-242

H2S(g)

-20

H2SO4(l)

-813

H2SO4(aq)

-908

H3PO4(s)

-1280

H3PO4(l)

-1267

H3PO4(aq)

-1288

HI(g)

27

HNO3(aq)

-207

HNO3(l)

-175

Hg(l)

0

Hg2Cl2(s)

-265

HgCl2(s)

-230

HgO(s)

-90

HgS(s)

-60

I2(s)

0

I2(g)

62

I2(aq)

23

I(aq)

-55

K(s)

0

KBr(s)

-392

KCl(s)

-435

KF(s)

-563

KClO3(s)

-390

KClO4(s)

-433

K2O(s)

-360

KOH(s)

-425

KOH(aq)

-480

Mg(s)

0

MgCO3(s)

-1112

MgCl2(s)

-642

MgO(s)

-600

Mg(OH)2(s)

-925

Mg(OH)2(aq)

-927

MgSO4(s)

-1278

Mn(s)

0

MnO(s)

-385

Mn3O4(s)

-1387

Mn2O3(s)

970

MnO2(s)

-520

MnO4(aq)

-543

N2(g)

0

NH3(aq)

-80

NH4+(aq)

-132

NO(g)

90

NO2(g)

35

N2O(g)

82

N2O4(g)

10

N2O4(l)

-20

N2O5(s)

-42

N2H4(l)

50

N2H3CH3(l)

54

NH4ClO4(s)

-295

NH4Cl(s)

-315

Na(s)

0

Na+(aq)

-240

NaBr(s)

-360

Na2CO3(s)

-1130

NaHCO3(s)

-948

NaCl(s)

-386

NaH(s)

-55

NaI(s)

-288

NaNO2(s)

-360

NaNO3(s)

-467

NaNO3(aq)

-469

Na2O(s)

-415

Na2O2(s)

-515

NaOH(s)

-427

NaOH(aq)

-470

Ni(s)

0

NiCl2(s)

-315

NiO(s)

-240

Ni(OH)2(s)

-538

NiS(s)

-93

O2(g)

0

O(g)

250

O3(g)

143

P(s)

0

P4(g)

60

PF5(g)

-1578

PCl3(l)

-320

PCl5(s)

-440

PH3(g)

5

P4O10(s)

-2985

Pb(s)

0

PbO2(s)

-277

PbS(s)

-100

PbSO4(s)

-920

Pb(NO3)2(s)

-452

S(s)

0

S2-(aq)

33

S8(g)

102

SF6(g)

-1208

SO2(g)

-300

SO3(g)

-395

SO42-(aq)

-910

Si(g)

368

SiC(s)

-73

SiO2(s)

-911

SiCl4(l)

-687

Sn(s)

0

SnO(s)

-285

SnO2(s)

-580

Sn(OH)2(s)

-560

TiCl4(g)

-763

TiO2(s)

-945

U(s)

0

UF6(s)

-2137

UF6(g)

-2113

UO2(s)

-1084

U3O8(s)

-3575

UO3(s)

-1230

Xe(g)

0

XeF2(g)

-108

XeF4(s)

-250

XeF6(g)

-294

XeOa(s)

402

Zn(s)

0

ZnO(s)

-348

Zn(OH)2(s)

-642

ZnS(s)

-195

ZnSO4(s)

-983

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