barium hydroxide


Gas Phase Heat Capacity (Shomate Equation)

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 2000. - 6000.
A 19.56914
B 3.426793
C -0.686078
D 0.047222
E -0.177017
F -156.3239
G 96.99594
H -149.7519
ReferenceChase, 1998
Comment Data last reviewed in December, 1975
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
2000.24.01116.297.2637.87
2100.24.14117.498.1940.28
2200.24.25118.599.0842.69
2300.24.36119.699.9545.13
2400.24.46120.6100.847.57
2500.24.56121.6101.650.02
2600.24.64122.6102.452.48
2700.24.73123.5103.254.95
2800.24.80124.4103.957.42
2900.24.87125.3104.659.91
3000.24.93126.1105.362.40
3100.24.99126.9106.064.89
3200.25.04127.7106.767.39
3300.25.09128.5107.369.90
3400.25.13129.3108.072.41
3500.25.17130.0108.674.93
3600.25.20130.7109.277.44
3700.25.23131.4109.879.97
3800.25.26132.1110.482.49
3900.25.29132.7110.985.02
4000.25.31133.4111.587.55
4100.25.33134.0112.090.08
4200.25.35134.6112.592.62
4300.25.36135.2113.195.15
4400.25.38135.8113.697.69
4500.25.39136.3114.1100.2
4600.25.40136.9114.6102.8
4700.25.41137.4115.0105.3
4800.25.43138.0115.5107.8
4900.25.44138.5116.0110.4
5000.25.45139.0116.4112.9
5100.25.46139.5116.9115.5
5200.25.47140.0117.3118.0
5300.25.48140.5117.8120.6
5400.25.50141.0118.2123.1
5500.25.51141.4118.6125.7
5600.25.53141.9119.0128.2
5700.25.55142.4119.4130.8
5800.25.57142.8119.8133.3
5900.25.60143.2120.2135.9
6000.25.63143.7120.6138.5

References

Go To: Top, Gas Phase Heat Capacity (Shomate Equation), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]


Notes

Go To: Top, Gas Phase Heat Capacity (Shomate Equation), References