iron dihydroxide


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) 298. - 1400.1400. - 6000.
A 20.6707026.25339
B 2.0396310.023408
C 2.373191-0.028905
D -1.2177500.002859
E -0.388714-3.144991
F -86.57701-93.36209
G 89.7827991.26021
H -79.00010-79.00010
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1966 Data last reviewed in June, 1966
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.17.0867.6567.66-0.00
300.17.1467.7667.660.03
400.19.3673.0468.361.87
500.20.5877.5069.763.87
600.21.4181.3371.375.97
700.22.0584.6873.048.15
800.22.5987.6674.6810.38
900.23.0690.3576.2812.66
1000.23.4892.8077.8114.99
1100.23.8495.0579.2817.36
1200.24.1697.1480.6819.76
1300.24.4399.0982.0222.19
1400.24.64100.983.3024.64
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1400.24.63100.983.3024.64
1500.24.84102.684.5327.11
1600.25.00104.285.7229.60
1700.25.14105.786.8532.11
1800.25.25107.287.9434.63
1900.25.34108.588.9937.16
2000.25.42109.890.0039.70
2100.25.49111.190.9742.24
2200.25.55112.391.9144.80
2300.25.59113.492.8247.35
2400.25.64114.593.7149.91
2500.25.67115.694.5652.48
2600.25.70116.695.3955.05
2700.25.73117.596.1957.62
2800.25.75118.596.9760.19
2900.25.77119.497.7262.77
3000.25.79120.298.4665.35
3100.25.81121.199.1867.93
3200.25.82121.999.8770.51
3300.25.83122.7100.673.09
3400.25.84123.5101.275.68
3500.25.85124.2101.978.26
3600.25.85125.0102.580.85
3700.25.86125.7103.183.43
3800.25.86126.3103.786.02
3900.25.87127.0104.388.60
4000.25.87127.7104.991.19
4100.25.87128.3105.493.78
4200.25.88128.9106.096.37
4300.25.88129.5106.598.95
4400.25.88130.1107.1101.5
4500.25.88130.7107.6104.1
4600.25.88131.3108.1106.7
4700.25.88131.8108.6109.3
4800.25.88132.4109.1111.9
4900.25.88132.9109.6114.5
5000.25.88133.5110.0117.1
5100.25.88134.0110.5119.7
5200.25.88134.5111.0122.2
5300.25.88135.0111.4124.8
5400.25.88135.4111.8127.4
5500.25.88135.9112.3130.0
5600.25.88136.4112.7132.6
5700.25.88136.8113.1135.2
5800.25.88137.3113.5137.8
5900.25.88137.7113.9140.4
6000.25.88138.2114.3142.9

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