iron dichloride


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 13.66350
B 1.709120
C -0.388339
D 0.025991
E -0.026329
F -37.93439
G 87.44859
H -33.70010
ReferenceChase, 1998
Comment Data last reviewed in December, 1970
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
2000.15.7399.6386.8425.59
2100.15.77100.487.4727.17
2200.15.82101.188.0728.75
2300.15.85101.888.6530.33
2400.15.88102.589.2231.92
2500.15.91103.289.7633.51
2600.15.93103.890.2935.10
2700.15.96104.490.8036.69
2800.15.97105.091.3038.29
2900.15.98105.591.7839.89
3000.15.99106.192.2541.49
3100.16.00106.692.7043.09
3200.16.01107.193.1444.69
3300.16.01107.693.5746.29
3400.16.00108.193.9947.89
3500.16.00108.594.4049.49
3600.15.99109.094.8051.09
3700.15.99109.495.1952.69
3800.15.97109.995.5754.29
3900.15.96110.395.9455.88
4000.15.95110.796.3157.48
4100.15.93111.196.6659.07
4200.15.92111.597.0160.66
4300.15.90111.897.3562.26
4400.15.88112.297.6863.84
4500.15.86112.598.0165.43
4600.15.84112.998.3367.02
4700.15.82113.298.6468.60
4800.15.79113.698.9570.18
4900.15.77113.999.2571.76
5000.15.75114.299.5573.33
5100.15.73114.599.8474.91
5200.15.70114.8100.176.48
5300.15.68115.1100.478.05
5400.15.66115.4100.779.61
5500.15.64115.7100.981.18
5600.15.62116.0101.282.74
5700.15.60116.3101.584.30
5800.15.58116.5101.785.86
5900.15.57116.8102.087.42
6000.15.55117.1102.288.98

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