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titanium oxide


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) 4500. - 6000.
A 8.665727
B -0.646401
C 0.404266
D -0.036270
E 2.343619
F 12.38905
G 67.26530
H 13.00000
ReferenceChase, 1998
Comment Data last reviewed in December, 1973
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
4500.10.7580.3271.4639.88
4600.10.8380.5671.6640.96
4700.10.9080.7971.8542.05
4800.10.9781.0372.0443.14
4900.11.0481.2572.2244.24
5000.11.1081.4872.4145.35
5100.11.1681.7072.5946.46
5200.11.2281.9172.7647.58
5300.11.2882.1372.9448.70
5400.11.3382.3473.1149.83
5500.11.3882.5573.2850.97
5600.11.4382.7573.4552.11
5700.11.4782.9673.6153.26
5800.11.5183.1673.7854.40
5900.11.5483.3573.9455.56
6000.11.5783.5574.0956.71

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