Chemical Engineering Now  
Skip Navigation Links.

Thermodynamic Property Correlations

Thermodynamic Property Correlations:

Molecular Weight
Temperature, deg. C.
Normal Boiling Temperature, deg. C.
System Pressure, atm.
Critical Temperature, deg. C.
Critical Pressure, atm.
Ideal Gas Heat Capacity, Cp, Btu/lb-mole-F
Vapor Pressure @ T, atm.
Liquid Density @ T, gms/cm3
Melting Point, C.
Fugacity Coefficient
Enthalpy Departure, Btu/lb-mole-R
Isothermal Pressure Correction
Polarity Factor:
Chemical Nature:
1 -CH3 (aliphatic)
2 -CH2 (aliphatic)
3 =CH2 (aliphatic)
4 -CH (aliphatic)
5 -C- (aliphatic)
6 H-C=CH2 (aliphatic)
7 C=CH2 (aliphatic)
8 H-C=C-H (cis) (aliphatic)
9 H-C=C-H ((trans) (aliphatic)
10 -C=C-H (aliphatic)
11 -C=C- (aliphatic)
12 H-C=C=CH2 (aliphatic)
13 -C=C=CH2 (aliphatic)
14 H-C=C=C-H (aliphatic)
15 3-CH (aliphatic)
16 3-C- (aliphatic)
17 H-C (carbon ring)
18 -C (carbon ring)
19 C (3-way conjugation)
20 -OH (oxygen containing))
21 -O- (oxygen containing)
22 H-C=O (oxygen containing)
23 -C=O (oxygen containing)
24 HO-C=O (oxygen containing)
25 O=C-O- (oxygen containing)
26 O (2-way conjugation)
27 -C-3N (nitrogen containing)
28 -N-4C (nitrogen containing)
29 -NH2 (nitrogen containing)
30 -NH (nitrogen containing)
31 -N- (3 single bonds)
32 N (2-way conjugation)
33 -NO2 (nitrogen containing)
34 -SH (sulfur containing)
35 -S- (sulfur containing)
36 S (2-way conjugation)
37 -SO3H (sulfur containing)
38 -F (halogen containing)
39 -Cl (halogen containing)
40 -Br (halogen containing)
41 -I (halogen containing)
42 Three-membered ring
43 Four-membered ring
44 Five-membered ring (c-pentane)
45 Five-membered ring (c-pentene)
46 Six-membered ring (c-hexane)
47 Six-membered ring (c-hexene)


  Donate Bitcoin

2017 All Rights Reserved
This site is intended to assist the student and practicing engineer with their ongoing education. It is an outline of the chemical engineering discipline, related principles and calculation methods. Efforts have been made to confirm the accurracy of all calculations. However, the developer accepts no responsibility for the accuracy, use of or calculation results derived from herein.

Employment of the developer's services in Project or Process Engineering are available on a contract or direct basis, either domestically or internationally. Please contact via e-mail.