Aluminium chloride
s
Aluminium oxide
s
s
s
s
s
s
s
s
s
s
s
Aluminium hydroxide
Aluminium chloride
Barium chloride
Barium carbonate
Barium hydroxide
Barium oxide
Barium sulfate
Beryllium hydroxide
Beryllium oxide
Boron trichloride
l
Bromine gas (monatomic) g
Bromine gas (diatomic)
g
Bromine trifluoride
g
Hydrobromic acid
g
Cadmium oxide
s
Cadmium hydroxide
s
Cadmium sulfide
s
Cadmium sulfate
s
Calcium gas
g
Calcium ion
g
Calcium carbide
s
Calcium carbonate (Calcite) s
Calcium chloride solid
s
Calcium chloride aqueous aq
Bromine ion
Formula
AlCl3
Al2O3
Al(OH)3
Al2(SO4)3
BaCl2
BaCO3
Ba(OH)2
BaO
BaSO4
Be(OH)2
BeO
Bcl3
Br
Br
Br2
BrF3
HBr
CdO
Cd(OH)2
CdS
CdSO4
Ca
Ca2+
CaC2
CaCO3
CaCl2
CaCl2
Hof
(kJ/mol)
705.63
1669.8
1277
3440
858.6
1213
944.7
548.1
1473.2
902.9999
609.4
402.96
121
111.88
30.91
255.60
36.29
258
561
162
935
178.2
1925.9
59.8
1206.9
795.8
877.3
Compound
Phase
Compound
Phase
Standard heats of formation of selected compounds
Hof
Formula (kJ/mol)
Cesium ion
g
Cs+
Cesium chloride
s
l
s
s
s
g
g
l
g
g
CsCl
C6H6
C7H6O2
C6H12O6
C
C
CO2
CS2
CS2
CO
Benzene
Benzoic acid
Glucose
Carbon (diamond)
Carbon gas
Carbon dioxide
Carbon disulfide liquid
Carbon disulfide gas
Carbon monoxide
Carbon tetrachloride liquid
Carbon tetrachloride gas
Phosgene
Ethane
Ethanol liquid
Ethanol gas
Ethene
Vinyl chloride
Ethyne (acetylene)
Methane
Methanol liquid
Methanol gas
Methyl linoleate (biodiesel)
Chloroform liquid
Chloroform gas
Propane
l
g
g
g
l
g
g
s
g
g
l
g
g
l
g
g
CCl4
CCl4
COCl2
C2H6
C2H5OH
C2H5OH
C2H4
C2H3Cl
C2H2
CH4
CH3OH
CH3OH
C19H34O2
CHCl3
CHCl3
C3H8
457.96
443.04
48.95
385.2
1271
1.90
716.67
393.509
89.41
116.70
110.525
135.4
95.98
218.8
83.85
277.0
235.3
52.30
94.12
226.73
74.87
238.4
201.0
356.3
134.47
103.18
104.7
Calcium phosphate
s
(kJ/mol)
4132
CO 2 (aqueous, unionized)
aq
Phosphoric acid
l
Hydrogen cyanide
g
HCN
130.5
Hydrogen bromide
l
HBr
36.3
Ammonia aqueous
Hydrogen chloride gas
g
HCl
92.30
Ammonia gas
g
Hydrogen chloride aq
aq
HCl
167.2
Ammonium chloride
s
Hydrogen fluoride
g
HF
273.3
Nitrogen dioxide
g
Hydrogen iodide
g
26.5
Nitrous oxide
g
Iodine gas
g
HI
I2
62.44
Nitric oxide
g
23
Dinitrogen tetroxude
g
55
Dinitrogen pentoxide solid
s
Dinitrogen pentoxide gas
g
Monatomic oxygen
g
399.4
Ozone
g
272
Phosphorus trichloride
l
Calcium hydride
Calcium hydroxide
Calcium hydroxide (aq)
Calcium oxide
Calcium sulfate
Calcium sulfide
Wollastonite
Cesium gas
Cesium liquid
Iodine aqueous
aq
I2
Iodide ion
aq
I
Fe3C
Iron carbide (Cementite)
s
Iron (II) carbonate (Siderite) s
FeCO3
Iron (III) chloride
s
FeCl3
Iron (II) oxide (Wustite)
s
FeO
Fe3O4
Iron (II, III) oxide (Magnetite) s
Iron (III) oxide (Hematite)
s
Fe2O3
1219.6
186.2
986.09
1002.82
635.09
1434.52
482.4
1630
76.5
2.09
Compound
CaF2
CaH2
Ca(OH)2
Ca(OH)2
CaO
CaSO4
CaS
CaSiO3
Cs
Cs
H3PO4
Calcium fluoride
s
s
s
aq
s
s
s
s
g
l
Formula
Ca3(PO4)2
Phase
Phase
Compound
Hof
1288
5.4
-750.6
1118
824.2
HCO3
Carbon trioxide
Hof
Formula (kJ/mol)
CO2(aq)
419.26
HCO3
CO3
Cl
OH
H2O2
689.93
675.23
121.70
167.2
155.2
218.00
241.818
285.8
230
187.8
Hydrogen peroxide
g
aq
s
g
g
l
aq
l
Mercury (II) oxide (red)
s
HgO
90.83
Mercury sulfide (red)
s
HgS
58.2
aq
NH3
80.8
Monatomic chlorine gas
Chloride ion
Copper (II) oxide
Monatomic hydrogen
Water gas
Water liquid
Hydroxide ion
Phosphorus trichloride gas g
Phosphorus pentachloride s
Cl
CuO
H
H2O
H2O
NH3
NH4Cl
45.90
314.55
NO2
33.20
NO
N2O4
90.29
N2O5
11.30
N2O
N2O5
82.05
9.16
43.1
249.00
O
O3
143.00
PCl3
278
PCl3
319.7
PCl5
440
Iron (II) sulfate
Iron (III) sulfate
Iron (II) sulfide
Pyrite
Lead dioxide
Lead sulfide
Lead sulfate
Lead (II) nitrate
Lead (II) sulfate
Magnesium ion
Magnesium carbonate
Magnesium chloride
Magnesium hydroxide
Magnesium hydroxide
Magnesium oxide
Magnesium sulfate
Manganese (II) oxide
Manganese (IV) oxide
Manganese (III) oxide
Manganese (II, III) oxide
Permanganate ion
Sodium fluoride
Formula
s FeSO4
s Fe2(SO4)3
Sodium nitrate aqueous
Sodium nitrate solid
929
2583
Compound
KBr
Potassium carbonate
s
K2CO3
Potassium chlorate
s
s FeS2
178
Potassium chloride
s
s PbO2
277
Potassium fluoride
s PbS
100
s PbSO4
s PbSO4
aq Mg
2+
391.4
s
KF
562.6
Potassium oxide
s
363
920
Potassium perchlorate
s
K2O
452
Silicon gas
g
Si
920
Silicon carbide
s
SiC
466.85
Silicon tetrachloride
l
SiCl4
Silica (quartz)
s
641.8
Silver bromide
s Mg(OH)2
924.54
s MgO
s MgSO4
1150
436.68
1095.797
aq Mg(OH)2
KClO3
392.2
KCl
s MgCO3
s MgCl2
Formula (kJ/mol)
s
102
s Pb(NO3)2
Hof
Potassium bromide
s FeS
KClO4
430.12
368.2
73.22
640.1
910.86
s
SiO2
AgBr
99.5
Silver chloride
s
AgCl
127.01
926.8
Silver iodide
s
62.4
601.6
Silver oxide
s
AgI
Ag2O
Silver sulfide
s
Ag2S
Na2CO3
1278.2
31.1
31.8
s MnO
384.9
Sodium carbonate
s
s MnO2
519.7
Sodium chloride aqueous
aq NaCl
407.27
971
Sodium chloride solid
s
NaCl
411.12
1387
Sodium chloride liquid
l
NaCl
385.92
Sodium chloride gas
g
NaCl
181.42
TiCl4
763.2
TiO2
944.7
s Mn2O3
s Mn3O4
aq MnO4
s NaF
Sodium hydroxide aqueous aq NaOH
Sodium hydroxide solid
(kJ/mol)
Phase
Phase
Compound
Hof
s NaOH
aq NaNO3
s NaNO3
543
569.0
Titanium gas
g
469.15
Titanium tetrachloride
g
425.93
Titanium tetrachloride
l
446.2
Titanium dioxide
s
424.8
Zinc gas
g
Ti
1130.77
468
TiCl4
804.2
Zn
130.7
Sodium oxide
s
Hydrogen sulfide
g
Sulfur dioxide
g
Sulfur trioxide
g
Sulfuric acid
l
Formula
(kJ/mol)
Na2O
414.2
SO2
296.84
H2SO4
814
H2S
SO3
20.63
395.7
Compound
Phase
Phase
Compound
Hof
Zinc chloride
s
Zinc oxide
s
Hof
Formula (kJ/mol)
ZnCl2
ZnO
415.1
348.0