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zirconium tetrafluoride


Solid 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) 298. - 1400.
A 25.74790
B 11.24780
C -6.878860
D 2.273001
E -0.338087
F -466.0581
G 51.20471
H -456.8000
ReferenceChase, 1998
Comment Data last reviewed in June, 1975
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.24.7425.0025.03-0.01
300.24.8125.1725.030.04
400.27.1832.6726.032.65
500.28.5838.8928.005.45
600.29.5744.2030.278.36
700.30.3448.8132.5911.35
800.30.9852.9134.8814.42
900.31.5456.5937.0917.55
1000.32.0559.9439.2120.73
1100.32.5463.0241.2423.96
1200.33.0365.8743.1727.24
1300.33.5468.5345.0230.56
1400.34.0871.0446.7933.94

References

Go To: Top, Solid 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

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