Ideal Gas Heat Capacity Constants

Ideal Gas Heat Capacity Constants

Ideal Gas Heat Capacity ( Specific Heat ) As Function of Temperature
Cp⁰, J / K mol = a + b T + c T² + d T³ + e T⁴
where a, b, c, d, e are constants given below

Name

a

b

c

d

e

ACETALDEHYDE

24.06

0.07

1.253e-04

-1.876e-07

7.104e-11

ACETIC ACID

12.13

0.19

-3.184e-05

-1.068e-07

6.05e-11

ACETONE

24.64

0.13

1.681e-04

-2.791e-07

1.106e-10

ACETYLENE

2.67

0.22

-3.888e-04

3.37e-07

-1.116e-10

AMMONIA

27.26

2.313e-04

2.243e-07

-2.169e-10

5.41e-14

BENZENE

-55.00

0.59

-5.293e-04

2.429e-07

-4.523e-11

BUTADIENE-1,2

11.23

0.26

-1.408e-04

2.774e-08

4.091e-13

BUTADIENE-1,3

-27.22

0.47

-4.532e-04

2.238e-07

-4.43e-11

BUTANE

-2.48

0.39

-2.204e-04

5.543e-08

-4.105e-12

BUTYL ACETATE

13.62

0.54

-2.278e-04

7.91e-10

0

CARBON DIOXIDE

17.46

0.09

-1.008e-04

6.539e-08

-1.845e-11

CARBON MONOXIDE

31.37

-0.01

4.139e-05

-2.903e-08

6.878e-12

CARBON TETRACHLORIDE

38.54

0.22

-2.977e-04

1.796e-07

-4.06e-11

CHLORINE

26.55

0.03

-5.072e-05

3.14e-08

-7.219e-12

CHLOROFORM

22.08

0.20

-2.293e-04

1.263e-07

-2.696e-11

CHLOROMETHANE

13.30

0.10

-4.193e-05

1.082e-09

2.424e-12

DICHLOROMETHANE

12.90

0.16

-1.487e-04

7.025e-08

-1.352e-11

DIETHYL EHTER

36.28

0.31

-1.189e-04

8.032e-09

2.63e-12

ETHANE

7.56

0.16

-3.208e-05

-2.476e-08

1.016e-11

ETHYL ACETATE

6.29

0.42

-2.37e-04

5.086e-08

0

ETHYL ALCOHOL

1.04

0.25

-1.55e-04

4.632e-08

-5.07e-12

ETHYLBENZENE

-52.63

0.75

-5.922e-04

2.387e-07

-3.92e-11

ETHYLENE

2.62

0.16

-1.005e-04

3.256e-08

-4.413e-12

ETHYLENE GLYCOL

35.70

0.24

-1.497e-04

-3.01e-08

0

ETHYLENE OXIDE

-11.29

0.24

-1.608e-04

5.152e-08

-5.916e-12

FORMIC ACID

14.89

0.11

-2.399e-05

-2.28e-08

9.288e-12

GLYCEROL

8.42

0.44

-3.159e-04

9.378e-08

0

HEPTANE

-13.97

0.71

-3.97e-04

7.599e-08

5.674e-12

HEXANE

-0.20

0.53

-1.941e-04

-5.116e-08

3.725e-11

HYDROGEN

26.69

0.01

-2.384e-05

2.004e-08

-5.427e-12

ISOPROPYL ALCOHOL

-7.73

0.41

-3.253e-04

1.376e-07

-2.407e-11

ISOPROPYLBENZENE

-67.75

1.00

-9.466e-04

4.756e-07

-9.751e-11

METHANE

26.39

6.236e-03

1.076e-04

-9.015e-08

2.28e-11

METHYL ACETATE

16.55

0.22

-4.342e-05

2.914e-08

0

METHYL ALCOHOL

20.78

0.07

4.014e-05

-5.908e-08

1.741e-11

M-XYLENE

-39.97

0.68

-4.768e-04

1.679e-07

-2.345e-11

N-BUTYL ALCOHOL

-15.93

0.51

-3.822e-04

1.542e-07

-2.633e-11

N-BUTYRIC ACID

11.74

0.41

-2.43e-04

5.531e-08

0

NITRIC OXIDE

32.82

-0.02

5.304e-05

-3.883e-08

9.602e-12

NITROGEN

31.44

-0.01

3.669e-05

-2.419e-08

5.433e-12

NITROGEN DIOXIDE

24.26

0.04

-1.628e-05

-6.878e-09

3.97e-12

NITROUS OXIDE

21.31

0.07

-6.694e-05

3.143e-08

-6.111e-12

N-PROPYL ALCOHOL

5.88

0.31

-1.668e-04

3.562e-08

-7.904e-13

OCTANE

-23.87

0.85

-5.481e-04

1.605e-07

-1.423e-11

OXYGEN

28.31

-2.535e-03

2.683e-05

-2.446e-08

6.764e-12

O-XYLENE

-18.87

0.61

-3.814e-04

1.128e-07

-1.163e-11

PENTANE

0.45

0.45

-1.748e-04

-1.822e-08

2.066e-11

PHENOL

-45.63

0.66

-6.429e-04

3.216e-07

-6.456e-11

PHOSGENE

26.63

0.14

-1.766e-04

1.007e-07

-2.209e-11

PROPANE

-4.10

0.30

-1.632e-04

3.902e-08

-2.51e-12

PROPYLENE

3.97

0.23

-1.094e-04

1.605e-08

1.858e-12

P-XYLENE

-45.52

0.71

-5.272e-04

2.004e-07

-3.1e-11

STYRENE

-43.26

0.71

-6.064e-04

2.716e-07

-4.99e-11

SULFUR DIOXIDE

23.77

0.06

-5.622e-05

2.089e-08

-2.761e-12

SULFUR TRIOXIDE

17.15

0.15

-1.532e-04

7.465e-08

-1.425e-11

TOLUENE

-47.49

0.64

-5.175e-04

2.16e-07

-3.7e-11

WATER

34.51

-0.01

4.686e-05

-3.781e-08

1.173e-11