Tables of ΔfHo  and  So  at 298K:                                                                                                      page 1
Compound:
ΔfHo
kJ/mol
So
J/molK
 
Compound:
ΔfHo
kJ/mol
So
J/molK
AgCl(s)  -127.1  96.2 
HNO3(l) -173.2  155.6
C2H4 (g) +52.26 219.5
H2S(g)  -20.6 205.7
CH3COOH(aq)  -485.7 178.7 
H2S (aq) -39.7 121.3
CH3OH (l) -238.7 126.8
NF3 (g) -124.7 260.6
CH3OH (g) -201.2 237.6
NH3(g)  -46.11 192.3
CH3CH2OH (l) -277.7 160.7
NH3(aq) -80.29 111.3
CH3CH2OH (g) -235.1 282.7
N2O(g) +82.08 219.7
CH4(g) -74.81  186.2 
NO(g) +90.25 210.7 
CCl4(g) -102.9 309.7
N2O3(g) +90.49 312.2
CF4 (g) -924.7 261.5
N2O4(g) +9.16 304.2
CO(g)  -110.52  197.56 
NO2(g) +33.2 239.9
CO2(g)  -393.51 213.6 
N2O5(g) +11.3 355.6 
CaCO3(s)  -1206.9 92.9
NaCl(s) -411.54 72.38
CaO(s)  -635.1 39.8 
PCl3(g) -287.0 311.7
Cl2O(g) +80.3 266.1
PCl5(g) -375 364.5
CuS(s)  -53.1 66.5
PF3 (g) -918.8 273.1
F2O (g) -21.8 247.3
P4O6(s) -1640     ?
FeS(s)  -23.9 14.41
P4O10(s) -2984 228.9
Fe2S3(s)   -14.0 16.6
SO2(g) -296.83 248.1
HBr (g) -36.4 198.59
SO3(g) -395.7 256.6
HBr (aq) -121.5 82.4
α-SiC(s) -62.8 16.48
H2CO3(aq)  -699.65 187.44
β-SiC(s) -65.3 16.61
HCl(g) -92.31 186.80 
SiF4 (g) -1614.9 282.4
HCl(aq) -167.16 56.5
SiO2(s) -910.94 41.84
HF (g) -271.1 173.67
TiCl3 (s) -720.9 139.7
HI (g) +26.5 206.48
TiO2(s) -944.7 50.33
HI (aq) -55.19 111.3
ZnCl2(s) -415.1 111.5
H2O(g)  -241.8 188.7
ZnO(s) -348.3 43.64
H2O(l)  -285.8 69.91
ZnS(s) -206.0 57.7
 
 



page 2
Element:
ΔfHo
kJ/mol
So
J/mol K
Element:
ΔfHo
kJ/mol
So
J/mol K
C(graphite) 
5.740
Ni(s)
29.9
C(diamond) +1.887 2.38
O2(g)
205.0
Ca(s) 
41.4
P4(s)
41.1( x 4*)
Cl2(g) 
223.0
P4(g) +58.91 280.0
Cu(s) 
33.15
S8(s)
31.9( x 8*)
F2 (g)
202.7



Fe(s) 
27.3
Si(s)
18.8
H2(g) 
130.6
Ti(s)
30.6
I2(s) 
116.1
Zn(s)
41.6
N2(g)
191.5



Aqueous Ions:
ΔfHo
kJ/mol
ΔSo
J/mol K
Aqueous Ions:
ΔfHo
kJ/mol
ΔSo
J/mol K
Al3+ -531.0 -321.7
HSO4- -887.3  +131.8 
Ag+ +105.6 +72.68
I-  -55.2 +111.3
Br-  -121.6 +82.4
K+ -252.4 +102.5 
CO32- -677.1 -56.9 
NH4+ -132.5 +113.4
CH3COO- -486.0 86.6
NO2- -104.6 +123.0
Ca2+ -542.8 -53.1
NO3- -205.0 +146.4
Cl- -167.2  +56.5
Na+ -240.1 +59.0
Cu2+ +64.77  +99.6
OH- -230.0 -10.8
F- -79.50 -3.3



Fe2+ -89.1 -137.6
PO43- -1277.4  -222
Fe3+ -48.5 -315.9
S2- +33.1 -14.6
H+   0   0
SO42- -909.3 +20.1
H2PO4-  -1296.3  +90.4
Zn2+ -153.9 -112.1
HPO42- -1292.1 -33.5



 *If in the reaction you use these elements with a subscript of 1, i.e. P and S, then do not multiply by 4 or 8.  If you use the subscripts, P4 and S8, multiply the numbers by 4 and 8.
 
 
 
 
  page 3
 
 
Tables of bond energies (units are kJ mol -1):ref 

Single Bonds:
 
H
C
N
O
F
P
S
Cl
Br
I
H
432 
411
386
459
565
322
363
428
362
294
C
 
346
305
358
485
264
272
327
285
213
N
 
 
167 
201
283
209
171
201
243
254
O
 
 
 
142
190
335
215
218
201
201
F
 
 
 
 
155
490
284
249
263
278
P
 
 
 
 
 
213
230
326
264
184
S
 
 
 
 
 
 
268
265
217
198
Cl
 
 
 
 
 
 
 
240
216
208
Br
 
 
 
 
 
 
 
 
190
175
I
 
 
 
 
 
 
 
 
 
149
Double Bonds:
 
N
O
C
N
418
 607
615
O
 
494
799
C
 
 
602
 

Triple Bonds:
 
N
C
O
N
942
887
 
C
 
835
1072



Reference for ΔfHo and So:  CRC Handbook of Chemistry and Physics, 71st Edition, ed. David R. Lide, CRC Press Inc., Boca Raton, FL.

Reference for bond energies:  Chemistry by James P. Birk, Houghton Mifflin Company, Boston (1994).

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