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Thermodynamic Quantities for Substances and Ions at 25oC.



Inorganic Substances

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

e(g)

0

0

20.87


Aluminum

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Al(s)

0

0

28.3

Al3+(aq)

–531

–485

–321.7

AlCl3(s)

–705.6

–630.1

109.3

Al2Cl6(g)

–1291

–1221

490

AlF3(s)

–1504

–1425

66.48

Al2O3(, s )

–1676

–1582

50.94

Al(OH)3(s)

–1276

Al2(SO4)3(s)

–3441

–3100

239


Barium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Ba(s)

0

0

62.3

Ba2+(aq)

–537.6

–560.8

9.6

Ba2+(g)

1649.9

 

 

Ba(g)

175.6

144.8

170.28

Ba+(g)

684.6

 

 

BaCO3(s)

–1216

–1138

112

BaCl2(s)

–858.1

–810.4

123.7

BaF2(s)

–1209

–1159

96.40

BaO(s)

–548.1

–520.4

72.09

Ba(OH)2(s)

–946.0

–859.4

107

Ba(OH)2•8H2O(s)

–3342

–2793

427

BaSO4(s)

–1473

–1362

132

 

Beryllium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Be(s)

0

0

9.54

BeCl2(s)

–496.2

–449.5

75.81

BeF2(s)

–1027

–979.5

53.35

BeO(s)

–608.4

–579.1

13.77


 

Bismuth

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Bi(s)

0

0

56.74

BiCl3(s

–379

–315

177

Bi2O3(s)

–573.9

–493.7

151

 

Boron

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

B(s, β-rhomohedral)

0

0

5.86

BCl3(l)

–427.2

–387

206

BF3(g)

–1137

–1120.3

254.0

B2H6(g)

36

86.6

232.0

B2O3(s)

–1272

–1193

53.8

 

Bromine

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Br(g)

111.9

82.40

174.90

Br(aq)

–120.9

–102.82

80.71

Br(g)

–218.9

 

 

Br2(g)

30.91

3.13

245.38

Br2(l)

0

0

152.23

BrCl(g)

14.6

–0.96

240.0

BrF3(g)

–255.6

–229.5

292.4

BrF3(l)

–300.8

–240.6

178.2

HBr(g)

–36.40

–53.43

198.6

 

Cadmium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Cd(s)

0

0

51.76

Cd(g)

112.8

78.20

167.64

Cd2+(aq)

–75.90

–77.61

–73.2

CdCl2(s)

–391.5

–344.0

115.3

CdO(s)

–258

–228

54.8

CdS(s)

–144

–141

71

 

Calcium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Ca(s)

0

0

41.4

Ca(g)

192.6

158.9

154.78

Ca2+(aq)

–542.96

–553.04

–55.2

Ca2+(g)

1934.1

 

 

Ca+(g)

788.6

   

CaBr2(s)

–682.8

–663.6

130.

CaCO3(s)

–1207

–1128

88.70

CaCl2(s)

–795.8

–748.1

105

CaF2(s)

–1220

–1167

68.87

CaH2(s)

–186

–147

42

Ca(NO3)2(s)

–938.4

–743.2

193

CaO(s)

–635.1

–604.0

39.75

Ca(OH)2(s)

–986.1

–898.6

83.39

CaOH+(aq)

 

–718.4

 

Ca3(PO4)2(s)

–4121

–3885

236

CaSO4(s)

–1434

–1322

106.7



Carbon

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

C(g)

716.7

671.3

158.0

C(s, graphite)

0

0

5.74

C(s, diamond)

1.90

2.90

2.38

CCl4(g)

–102.9

–60.63

309.7

CCl4(l)

–135.4

–65.27

216.2

C2N2(g)

308.9

297.2

242.3

CN(aq)

151

166

118

HCN(g)

135

125

201.7

HCN(l)

105

121

112.8

HCN(aq)

105

112

129

CO(g)

–110.5

–137.2

197.6

CO2(g)

–393.5

–394.4

213.6

CO2(aq)

–412.9

–386.2

121

CO32–(aq)

–677.1

–527.8

–56.9

HCO3(aq)

–691.11

–587.06

95.0

H2CO3(aq)

–698.7

–623.42

191

C3O2(g)

–93.72

–109.8

276.4

C3O2(l)

–117.3

–105.0

181.1

COCl2(g)

–220.9

–206.8

283.8

CH3Cl(g)

–83.7

–60.2

234

CH2Cl2(l)

–117

–63.2

179

CHCl3(l)

–132

–71.5

203

COS(g)

–138.4

–165.6

231.5

CS2(g)

117

66.9

237.79

CS2(l)

89.70

65.27

151.3

 

Cesium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Cs+(g)

458.5

427.1

169.72

Cs+(aq)

–248

–282.0

133

Cs(g)

76.7

49.7

175.5

Cs(s)

0

0

85.15

CsF(s)

–554.7

–525.4

88

CsCl(s)

–442.8

–414

101.18

CsBr(s)

–395

–383

121

CsI(s)

–337

–333

130

 

Chlorine

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Cl(g)

121.7

105.7

165.1

Cl(aq)

–167.2

–131.2

56.5

Cl(g)

–234

–240

153.25

Cl2(g)

0

0

223.0

ClF3(g)

–163.2

–123.0

281.5

ClO2(g)

102.5

120.5

256.7

Cl2O(g)

80.33

97.49

267.9

HCl(g)

–92.31

–95.30

186.8

HCl(aq)

–167.2

–131.3

56.48

 

Chromium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Cr(s)

0

0

23.66

CrCl2(s)

–395.4

–356.0

115.3

CrCl3(s)

–556.5

–486.1

123.0

Cr2O3(s)

–1135

–1053

81.17

CrO42–(aq)

–881.2

–727.8

50.21

Cr2O72–(aq )

–1490.3

–1301.1

261.9

[Cr(H2O)6]3+(aq)

–1971

 

 

 

Cobalt

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Co(s)

0

0

30.0

Co2+(aq)

–67.4

–51.5

–155

Co3+(aq)

92.0

134.0

–305.0

CoO(s)

–237.9

–214.2

52.97

Co3O4(s)

–891.0

–774.0

102.5

Co(OH)2(s, pink)

–539.7

–454.4

79.0

CoCl2(s)

–312.5

–269.8

109.2

 

Copper

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Cu(s)

0

0

33.15

Cu(g)

341.1

301.4

166.29

Cu+(aq)

51.9

50.2

–26

Cu2+(aq)

64.77

65.49

–99.6

CuCl2(s)

–220.1

–175.7

108.1

CuCO3•Cu(OH)2(s)

–1051

–893.7

186

Cu2O(s)

–168.6

–146.0

93.14

CuO(s)

–157.3

–129.7

42.63

Cu(OH)2(s)

–450.2

–373

108

CuSO4•5H2O(s)

–2279.6

–1880.1

300.4

 

Fluorine

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

F(g)

78.99

61.92

158.7

F(g)

–255.6

–262.5

145.47

F(aq)

–332.6

–278.8

–13.8

F2(g)

0

0

202.7

HF(g)

–271.1

–273.2

173.7

 

Helium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

He(g)

0

0

126.0

 

Hydrogen

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

H(g)

218.0

203.3

114.6

H+(g)

1536.3

1517.1

108.83

H+(aq)

0

0

0

H3O+(aq)

–285.8

 

69.91

H2(g)

0

0

130.6

HBr(g)

–36.40

–53.43

198.6

HCl(g)

–92.31

–95.30

186.8

HCl(aq)

–167.2

–131.3

56.48

HCN(g)

135

125

201.7

HF(g)

–271.1

–273.2

173.7

HI(g)

26.48

1.72

206.5

HNO3(l)

–173.2

–79.91

155.6

HNO3(aq)

–207.4

–113.3

146.4

H2O(g)

–241.8

–228.6

188.7

H2O(l)

–285.8

–237.2

69.91

H2O2(g)

–136.1

–105.5

232.9

H2O2(l)

–187.8

–120.4

110

H2O2(aq)

–191.2

–134.1

144

H2S(g)

–20.63

–33.56

205.7

H2SO4(l)

–814.0

–690.1

156.9

H2SO4(aq)

–909.3

–744.6

20.08

 

Iodine

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

I(g)

106.8

70.28

180.7

I(g)

–194.7

 

 

I(aq)

–55.19

–51.57

111.3

I2(g)

62.44

19.36

260.6

I2(s)

0

0

116.1

IBr(g)

40.84

3.72

258.7

ICl(g)

17.78

–5.44

247.4

ICl(l)

–23.89

–13.60

135.1

HI(g)

26.48

1.72

206.5

 

Iron

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Fe(s)

0

0

27.28

Fe(l)

13.13

11.05

34.29

Fe2+(aq)

–89.1

–78.90

–137.7

Fe3+(aq)

–48.5

–4.7

–315.9

FeCO3(s)

–740.6

–666.7

92.88

FeCl2(s)

–341.8

–302.3

118.0

FeCl3(s)

–399.5

–334.1

142.3

FeO(s)

–272.0

–251.5

60.75

Fe2O3(s)

–824.2

–742.2

87.40

Fe3O4(s)

–1118.4

–1015.4

146.4

Fe(OH)3(s)

–823.0

–696.6

107

 

Lead

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Pb(s)

0

0

64.81

Pb2+(aq)

–1.7

–24.43

10.5

PbBr2(s)

–278.7

 

161.5

PbCl2(s)

–359

–314

136

PbI2(s)

–175.5

–173.6

174.8

PbO(s, red)

–219.0

–189.2

66.5

PbO2(s)

–277

–217.4

68.6

PbS(s)

–98.3

–96.7

91.3

PbSO4(s)

–919.9

–813.2

148.6

 

Lithium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Li(s)

0

0

29.12

Li+(aq)

–278.5

–293.3

13.4

Li(g)

161

128

138.67

Li+(g)

687.163

649.989

132.91

LiF(s)

–616.9

–588.7

35.66

LiCl(s)

–408.6

–384.4

59.33

LiBr(s)

–351

–342

74.1

LiI(s)

–270

–270

85.8

Li2O(s)

–597.94

–561.18

37.57

LiOH(s)

–484.9

–439.0

42.80

LiNO3(s)

–483.1

–381.1

90.0

 

Magnesium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Mg(s)

0

0

32.69

Mg(g)

150

115

148.55

Mg+(g)

894.1

 

 

Mg2+(g)

2351

 

 

Mg2+(aq)

–466.9

–454.8

–138.1

MgCl2(s)

–641.3

–591.8

89.62

MgCO3(s)

–1096

–1012

65.7

MgF2(s)

–1124

–1071

57.24

MgO(s)

–601.7

–569.4

26.94

MgOH+(aq)

 

–626.7

 

Mg(OH)2(s)

–924.7

–833.9

63.18

Mg3N2(s)

–461

–401

88

MgSO4(s)

–1285

–1171

91.6

 

Manganese

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Mn(s, )

0

0

32.0

Mn2+(aq)

–220.8

–228.1

–73.6

MnCl2(s)

–481.3

–440.5

118.2

MnO2(s)

–520

–465.2

53.05

MnO4(aq)

–541.4

–447.2

191.2

MnO42–(aq)

–653.0

–500.7

59.0

 

Mercury

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Hg(g)

61.32

31.85

174.9

Hg(l)

0

0

76.02

Hg2+(aq)

 

164.8

 

Hg22+(aq)

172.4

153.9

84.5

HgCl2(s)

–230

–184

144

Hg2Br2(s)

–206.9

 

218.0

Hg2Cl2(s)

–265.4

–210.66

191.6

Hg2I2(s)

–121.3

 

233.5

HgO(s)

–90.83

–58.56

70.29

 

Nickel

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Ni(s)

0

0

30.1

Ni2+(aq)

–64.0

–46.4

–159

NiCl2(s)

–305.3

–259.0

97.7

Ni(OH)2(s)

–529.7

–447.2

88.0

 

Nitrogen

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

N(g)

472.7

455.6

153.2

N2(g)

0

0

191.5

NF3(g)

–124.7

–83.2

260.7

NH3(g)

–46.11

–16.48

192.3

NH3(aq)

–80.29

–26.57

111.3

NH4+(aq)

–132.5

–79.31

113.4

NH4Br(s)

–270.8

–175

113.0

NH4Cl(s)

–314.4

–203.0

94.56

NH4F(s)

–464.0

–348.8

71.96

NH4HCO3(s)

–849.4

–666.1

121

NH4I(s)

–201.4

–113

117

NH4NO3(s)

–365.6

–184.0

151.1

NH4NO3(aq)

–339.9

–190.7

259.8

(NH4)2SO4(s)

–1181

–901.9

220.1

N2H4(g)

95.40

159.3

238.4

N2H4(l)

50.63

149.2

121.2

NO(g)

90.25

86.57

210.6

N2O(g)

82.05

104.2

219.7

NO2(g)

33.18

51.30

240.0

N2O4(g)

9.16

97.82

304.2

N2O4(l)

–19.6

97.40

209.2

N2O5(g)

11.3

115.1

355.7

NO3(aq)

–205.0

–108.7

146.4

HNO3(l)

–173.2

–79.91

155.6

HNO3(aq)

–207.4

–113.3

146.4

NOBr(g)

82.17

82.4

273.5

NOCl(g)

51.71

66.07

261.6

 

Oxygen

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

O(g)

249.2

231.7

160.9

O2(g)

0

0

205.0

O3(g)

142.7

163.2

238.8

OH(aq)

–230.0

–157.2

–10.75

OF2(g)

24.5

41.8

247.3

 

Phosphorous

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

P(g)

333.9

292.0

163.1

P(α ,s, white)

0

0

41.1

P4(s, red)

–17.6

–12.1

22.8

P2(g)

146.2

103.8

218.0

P4(g)

58.9

24.5

279.9

PCl3(g)

–287.0

–267.8

311.7

PCl3(l)

–319.7

–272.3

217.1

PCl5(g)

–374.5

–305.0

364.5

PCl5(l)

–443.5

PH3(g)

5.4

13.4

210.1

P4O10(s)

–2984

–2698

228.9

PO43(aq)

–1277

–1019

–222

HPO42(aq)

–1292.1

–1089.3

–33

H2PO4(aq)

–1296.3

–1130.4

90.4

H3PO4(aq)

–1288.3

–1142.7

158

 

Potassium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

K(g)

89.24

60.63

160.2

K(l)

2.28

0.26

71.46

K(s)

0

0

64.18

K+(aq)

–252.4

–283.3

102.5

K+(g)

514.197

481.202

154.47

KBr(s)

–393.8

–380.7

95.90

KCN(s)

–113

–101.9

128.5

KCl(s)

–436.7

–409.2

82.59

KClO3(s)

–397.7

–296.3

143

KClO4(s)

–432.8

–303.2

151.0

KF(s)

–567.3

–537.8

66.57

KI(s)

–327.9

–324.9

106.3

KNO3(s)

–494.6

–394.9

133.1

KOH(s)

–424.8

–379.1

78.87

KOH(aq)

–482.4

–440.5

91.63

K2SO4(s)

–1438

–1321

175.6


Rubidium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Rb+(g)

495.04

 

 

Rb+(aq)

–246

–282.2

124

Rb(g)

85.81

55.86

169.99

Rb(s)

0

0

69.5

RbF(s)

–549.28

 

 

RbCl(s)

–430.58

 

 

RbBr(s)

–389.2

–378.1

108.3

RbI(s)

–328

–326

118.0

 

Silicon

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Si(s)

0

0

18.8

SiH4(g)

34

56.9

204.5

Si2H6(g)

80.3

127

272.5

SiO2(s, quartz)

–910.9

–856.5

41.84

 

Silver

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Ag(s)

0

0

42.55

Ag(g)

289.2

250.4

172.892

Ag+(aq)

105.6

77.11

72.68

AgBr(s)

–100.4

–96.90

107

AgCl(s)

–127.1

–109.8

96.2

AgF(s)

–203

–185

84

AgI(s)

–61.84

–66.19

115

AgNO3(s)

–124.4

–33.5

140.9

Ag2O(s)

–31.0

–11.2

121

Ag2S(s)

–31.8

–40.3

146

Ag2SO4(s)

–715.9

–618.5

200.4

 

Sodium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Na(g)

107.3

76.78

153.6

Na(l)

2.41

0.50

57.86

Na(s)

0

0

51.21

Na+(aq)

–240.1

–261.9

59.0

Na+(g)

609.839

574.877

147.85

Na2(g)

142.0

104.0

230.1

NaBr(s)

–361.1

–349.0

86.82

Na2CO3(s)

–1131

–1044

135.0

NaHCO3(s)

–950.8

–851.0

102

NaCl(s)

–411.1

–384.0

72.13

NaCl(aq)

–407.3

–393.1

115.5

NaClO3(s)

–365.8

–262.3

123

NaClO4(s)

–383.3

–254.9

142.3

NaF(s)

–573.7

–543.5

51.46

NaH(s)

–56.27

–33.5

40.02

NaI(s)

–287.8

–286.1

98.53

NaNO3(s)

–467.9

–367.1

116.5

NaNO3(aq)

–447.4

–373.2

205.4

Na2O2(s)

–510.9

–447.7

94.98

NaOH(s)

–425.6

–379.5

64.48

NaOH(aq)

–469.2

–419.2

48.1

NaH2PO4(s)

–1537

–1386

127.5

Na2HPO4(s)

–1748

–1608

150.5

Na3PO4(s)

–1917

–1789

173.8

NaHSO4(s)

–1125

–992.9

113

Na2SO4(s)

–1387

–1270

149.6

Na2SO4(aq)

–1390

–1268

138.1

Na2SO4•10H2O(s)

–4327

–3647

592.0

Na2S2O3(s)

–1123

–1028

155


Strontium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Sr2+(g)

1784

 

 

Sr2+(aq)

–545.8

–557.3

–32.6

Sr+(g)

719.6

 

 

Sr(g)

164

110

164.54

Sr(s)

0

0

54.4

SrCl2(s)

–828.4

–781.2

117

SrF2(s)

–1216.3

 

82.1

SrO(s)

–592.0

–562.4

55.5

SrCO3(s)

–1218

–1138

97.1

SrSO4(s)

–1445

–1334

122

 

Sulfur

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

S(s, rhombic)

0

0

31.8

S(s, monoclinic)

0.30

0.096

32.6

S8(g)

102.3

49.16

430.2

S(g)

279

239

168

S2(g)

129

80.1

228.1

S2–(aq)

41.8

83.7

22

HS(aq)

–17.7

12.6

61.1

H2S(g)

–20.63

–33.56

205.7

H2S(aq)

–39

–27.4

122

S2Cl2(g)

–18.4

–31.8

331.5

SF6(g)

–1209

–1105

291.7

SO2(g)

–296.8

–300.2

248.1

SO3(g)

–395.7

–371.1

256.6

SO42–(aq)

–909.3

–744.5

20.1

HSO4(aq)

–885.75

–752.87

126.9

H2SO4(l)

–814.0

–690.1

156.9

H2SO4(aq)

–909.3

–744.6

20.08

S2O32–(aq )

–648.5

–522.5

67

SO2Cl2(g)

–364.0

–320.0

311.8

SO2Cl2(aq)

–394.1

–314

207

 

Tin

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Sn(s, white)

0

0

51.55

Sn(s, gray)

–2.1

0.1

44.14

SnCl4(l)

–511.3

–440.2

259

SnO(s)

–286

–257

56.5

SnO2(s)

–580.7

–519.7

52.3

 

Titanium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Ti(s)

0

0

30.6

 TiCl2(s)

–513.8

–464.4

87.4

 TiCl3(s)

–720.9

–653.5

139.7

TiCl4(g

–763.2

–726.8

355

 TiCl4(l)

–804.2

–737.2

252.3

 TiO2(s)

–944.7

–889.5

50.33

 

Uranium

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

U(s)

0

0

50.21

UF6(g

–2147

–2064

378

UF6(s)

–2197

–2069

228

UO2(s)

–1085

–1032

77.03

 

Zinc

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

Zn(s)

0

0

41.6

Zn(g)

130.5

94.93

160.9

Zn2+(aq)

–153.9

–147.1

–112.1

ZnCl2(s)

–415.1

–369.4

111.5

Zn(OH)2(s)

–641.9

–553.5

81.2

ZnO(s)

–348.3

–318.3

43.64

ZnS(s, zincblende)

–203

–198

57.7

 

Organic Substances

Substance or Ion

Δ Hfo (kJ/mol)

Δ Gfo (kJ/mol)

So (J/mol•K)

CH4(g) methane

–74.81

–50.75

186.2

C2H2(g) acetylene

226.7

209.2

200.8

C2H4(g) ethylene

52.26

68.12

219.4

C2H6(g) ethane

–84.68

–32.89

229.5

C3H8(g) propane

–103.8

–23.56

270.2

C4H10(g) butane

–125.7

–17.15

310.1

C6H6(g) benzene

82.93

129.7

269.2

C6H6(l) benzene

48.99

124.4

173.3

C6H12(g) cyclohexane

–123.1

31.8

298.2

C6H12(l) cyclohexane

–156.2

26.7

204.3

C10H8(g) naphthalene

149

223.6

335.6

C10H8(s) naphthalene

75.3

201.0

166.9

HCHO(g) formaldehyde

–117.0

–110.0

218.7

CH3OH(g) methanol

–200.7

–162.0

239.7

CH3OH(l) methanol

–238.7

–166.4

126.8

CH3CHO(g) acetaldehyde

–166.1

–133.4

246.4

CH3CHO(l) acetaldehyde

–191.8

–128.3

160.4

C2H5OH(g) ethanol

–234.4

–167.9

282.6

C2H5OH(l) ethanol

–277.7

–174.9

160.7

C6H5OH(s) phenol

–165.0

–50.42

144.0

(CH3)2CO(g) acetone

–216.6

–153.1

294.9

(CH3)2CO(l) acetone

–247.6

–155.7

200.4

HCOOH(l) formic acid

–409

–346

129.0

HCOOH(aq) formic acid

–410

–356

164

HCOO(aq) formate ion

–410

–335

91.6

CH3COOH(g) acetic acid

–432.3

–374.0

282.5

CH3COOH(l) acetic acid

–484.1

–389.9

159.8

CH3COOH(aq) acetic acid

–488.3

–396.6

178.7

C6H5COOH(s) benzoic acid

–385.1

–245.3

167.6

CH3NH2(g) methylamine

–23.0

32.3

242.6

C6H5NH2(g) aniline

86.86

166.7

319.2

C6H5NH2(l) aniline

31.6

149.1

191.3

C6H12O6(s) glucose

–1273.3

–910.4

212.1

C12H22O11(s) sucrose

–2226.1

 

360.2