Al (s)

0

0

28.3

Al⁺³ (aq)

-524.7

-481.2

-313

AlCl₃(s)

-704.2

-628.9

110.7

Al₂O₃(s)

-1676

-1582

50.94

Ba(s)

0

0

62.5

Ba⁺²(aq)

-538.36

-560.7

13

BaCl₂(s)

-806.06

-810.9

126

BaCO₃(s)

-1219

-1139

112

BaO(s)

-548.1

-520.4

72.07

BaSO₄(s)

-1465

-1353

132

Br₂(l)

0

0

152.23

Br₂(g)

30.91

3.13

245.38

Br^-1(aq)

-120.9

-102.82

80.71

HBr(g)

-36

-53.5

198.59

Ca(s)

0

0

41.6

Ca⁺²(aq)

-542.96

-553.04

-55.2

CaF₂(s)

-1215

-1162

68.87

CaCl₂(s)

-795.0

-750.2

114

CaCO₃(s)

-1206.9

-1128.8

92.9

CaO(s)

-635.1

-603.5

38.2

Ca(OH)₂(s)

-986.09

-898.56

83.39

Ca₃(PO₄)₂(s)

-4138

-3899

263

CaSO₄(s)

-1432.7

-1320.3

107

C(graphite)

0

0

5.686

C(diamond)

1.896

2.866

2.439

C(g)

715.0

669.6

158.0

CO(g)

-110.5

-137.2

197.5

CO₂(g)

-393.5

-394.4

213.7

CO₂(aq)

-412.9

-386.2

121

CO₃^-2(aq)

-676.26

-528.10

-53.1

CS₂(g)

115.3

65.1

237.8

CS₂(l)

87.9

63.6

151

HCO₃^-1(aq)

-691.11

587.06

95.0

H₂CO₃(aq)

-698.7

-623.42

191

H₂O₂

-187.6

-118.1

?

CH₄(g)

-74.87

-50.81

186.1

C₂H₂(g)

227

209

200.85

C₂H₄(g)

52.47

68.36

219.22

C₂H₆(g)

-84.667

-32.89

229.5

C₃H₈(g)

-105

-24.5

269.9

C₄H₁₀(g)

-126

-16.7

310

C₆H₆(l)

49.0

124.5

172.8

CH₃OH(g)

-201.2

-161.9

238

CH₃OH(l)

-238.6

-166.2

127

C₂H₅OH(l)

-277.63

-174.8

161

CH₃COOH(l)

-487.0

-392

160

C₆H₁₂O₆(s)

-1274.5

-910.56

212.1

CS₂(l)

87.9

63.6

151.0

CH₃Cl(g)

-83.7

-60.2

234

CH₂Cl₂(l)

-117

-63.2

179

CHCl₃(l)

-132

-71.5

203

CCl₄(l)

-139

-68.6

214.4

Cl_2(g)

0

0

223.0

Cl^-1(aq)

-167.46

-131.17

55.10

HCl(g)

-92.31

-95.30

186.79

Cr(s)

0

0

23.8

Cr⁺³(aq)

-1971

----

----

CrO₄^-2(aq)

-863.2

-706.3

38

CrO₇^-2(aq)

-1461

-1257

214

Cu(s)

0

0

33.1

Cu(g)

341.1

301.4

166.29

Cu⁺¹(aq)

51.9

50.2

-26

Cu⁺²(aq)

64.39

64.98

-98.7

Cu₂O(s)

-168.6

-146.0

93.1

CuO(s)

-157.3

-130

42.63

F₂(g)

0

0

202.7

F^-1(aq)

-329.1

-276.5

-9.6

H₂(g)

0

0

130.6

H⁺¹(aq)

0

0

0

I₂(s)

0

0

116.14

I₂(g)

62.442

19.38

260.58

I^-1(aq)

-55.94

-51.67

109.4

HI(g)

25.9

1.3

206.33

Fe(s)

0

0

27.3

Fe⁺³(aq)

-47.7

-10.5

-293

Fe⁺²(aq)

-87.9

-84.94

113

FeO(s)

-272.0

-251.4

60.75

Fe₂O₃(s)

-825.5

-743.6

87.400

Pb(s)

0

0

64.785

Pb⁺²(aq)

1.6

-24.3

21

Li(s)

0

0

29.10

Li⁺¹(aq)

-278.46

-293.8

14

Mg(s)

0

0

32.69

Mg(g)

150

115

148.55

Mg⁺²(aq)

-461.96

-456.01

118

MgCl₂(s)

-641.6

-592.1

89.630

MgCO₃(s)

-1112

-1028

65.86

MgO(s)

-601.2

-569.0

26.9

Mn(s)

0

0

31.8

Mn⁺²(aq)

-219

-223

-84

MnO₂(s)

-520.9

-466.1

53.1

MnO₄^-(aq)

-518.4

-425.1

190

Ni(s)

0

+29.9

0

Ni⁺² (aq)

-54.0

-128.9

-45.6

N₂(g)

0

0

191.5

N₂O(g)

82.05

104.2

219.7

NO(g)

90.29

86.60

210.65

NO₂(g)

33.2

51

239.9

N₂O₄(g)

9.16

97.7

304.3

NH₃(g)

-45.9

-16

193

NH₃(aq)

-80.83

26.7

110

N₂H₄(l)

50.63

149.2

121.2

NO₃^-1(aq)

-206.57

-110.5

146

NH₄Cl(s)

-314.4

-203.0

94.6

O₂(g)

0

0

205.0

O₃(g)

143

163

238.82

OH^-1(aq)

-229.94

-157.30

-10.54

H₂O(g)

-241.826

-228.60

188.72

H₂O(l)

-285.840

-237.192

69.940

PO₄^-3(aq)

-1266

-1013

-218

HPO₄^-2(aq)

-1281

-1082

-36

H₂PO₄^-1(aq)

-1285

-1135

89.1

H₃PO₄(aq)

-1277

-1019

228

K(s)

0

0

64.672

K⁺¹(aq)

-251.2

-282.28

103

KF(s)

-568.6

-538.9

66.55

KCl(s)

-436.7

-409.2

82.59

KBr(s)

-394

-380

95.94

KI(s)

-328

-323

106.39

KOH(s)

-424.8

-379.1

78.87

KClO₃(s)

-397.7

-296.3

143.1

KClO₄(s)

-432.75

-303.2

151.0

Si(s)

0

0

18.0

SiF₄(g)

-1614.9

-1572.7

282.4

SiO₂(s)

-910.9

-856.5

41.5

Ag(s)

0

0

42.702

Ag(g)

289.2

250.4

172.892

Ag⁺¹(aq)

105.9

77.111

73.93

AgF(s)

-203

-185

84

AgCl(s)

-127.03

-109.72

96.11

AgBr(s)

-99.51

-95.939

107.1

AgI(s)

-62.38

-66.32

114

AgNO₃(s)

-45.06

19.1

128.2

Ag₂S(s)

-31.8

-40.3

146

Na(s)

0

0

51.446

Na⁺¹(aq)

-239.66

-261.87

60.2

NaF(s)

-575.4

-545.1

51.21

NaCl(s)

-411.1

-384.0

72.12

NaBr(s)

-361

-349

86.82

NaOH(s)

-425.609

-379.53

64.454

Na₂CO₃(s)

-1130.8

-1048.1

139

NaHCO₃(s)

-947.7

-851.9

102

NaI(s)

-288

-285

98.5

Sr(s)

0

0

54.4

Sr⁺²(aq)

-545.51

-557.3

-39

SrCl₂(s)

-828.4

-781.2

117

SrCO₃(s)

--1218

-1138

97.1

SrO(s)

-592.0

-562.4

55.5

SrSO₄(s)

-1445

-1334

122

S(rhombic)

0

0

31.9

S(monoclinic)

0.30

0.096

32.6

S^-2(aq)

41.8

83.7

22

HS^-1(aq)

-17.7

12.6

61.1

H₂S(g)

-20.2

-33

205.6

H₂S(aq)

-39

-27.4

122

SO₂(g)

-296.8

-300.2

248.1

SO₃(g)

-396

-371

256.66

SO₄^-2(aq)

-907.51

-741.99

17

HSO₄^-1(aq)

-885.75

-752.87

126.9

Zn(s)

0

0

41.6

Zn⁺²(aq)

-152.4

-147.21

-106.5

ZnO(s)

-348.0

-318.2

43.9