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iron difluoride


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 (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 1373. - 3000.
A 98.32400
B 2.199027×10-10
C -1.201491×10-10
D 2.045362×10-11
E 7.122801×10-12
F -703.8660
G 211.5246
H -674.5487
ReferenceChase, 1998
Comment Data last reviewed in September, 1965
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1373.98.32242.7165.7105.7
1400.98.32244.6167.2108.3
1500.98.32251.4172.6118.2
1600.98.32257.7177.7128.0
1700.98.32263.7182.6137.8
1800.98.32269.3187.3147.7
1900.98.32274.6191.7157.5
2000.98.32279.7196.0167.3
2100.98.32284.5200.1177.2
2200.98.32289.0204.1187.0
2300.98.32293.4207.8196.8
2400.98.32297.6211.5206.7
2500.98.32301.6215.0216.5
2600.98.32305.5218.4226.3
2700.98.32309.2221.7236.2
2800.98.32312.8224.9246.0
2900.98.32316.2228.0255.8
3000.98.32319.5231.0265.7

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