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barium oxide, obtained by calcining witherite


Liquid 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) 2286. - 5000.
A 16.00000
B 4.686783×10-7
C -7.889604×10-8
D 3.500001×10-9
E 8.576028×10-7
F -125.6353
G 37.35947
H -117.5017
ReferenceChase, 1998
Comment Data last reviewed in June, 1974
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
2286.16.0050.5938.1528.44
2300.16.0050.6938.2228.67
2400.16.0051.3738.7630.27
2500.16.0052.0239.2731.87
2600.16.0052.6539.7833.47
2700.16.0053.2540.2635.07
2800.16.0053.8340.7436.67
2900.16.0054.3941.2038.27
3000.16.0054.9441.6539.87
3100.16.0055.4642.0941.47
3200.16.0055.9742.5143.07
3300.16.0056.4642.9344.67
3400.16.0056.9443.3346.27
3500.16.0057.4043.7347.87
3600.16.0057.8544.1149.47
3700.16.0058.2944.4951.07
3800.16.0058.7244.8652.67
3900.16.0059.1445.2254.27
4000.16.0059.5445.5755.87
4100.16.0059.9445.9257.47
4200.16.0060.3246.2659.07
4300.16.0060.7046.5960.67
4400.16.0061.0746.9162.27
4500.16.0061.4247.2363.87
4600.16.0061.7847.5465.47
4700.16.0062.1247.8567.07
4800.16.0062.4648.1568.67
4900.16.0062.7948.4570.27
5000.16.0063.1148.7471.87

References

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