Magnesium iodide


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. to 6000.
A 8.905101
B 0.192933
C -0.031612
D 0.005543
E -0.027995
F 3.125600
G 70.94661
H 5.882890
ReferenceChase, 1998
Comment Data last reviewed in December, 1974
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.8.6460.3860.38-0.00
300.8.6560.4460.380.02
400.8.8062.9560.730.89
500.8.8864.9261.371.77
600.8.9366.5562.112.67
700.8.9767.9362.843.56
800.9.0069.1363.554.46
900.9.0270.1964.235.36
1000.9.0471.1464.886.26
1100.9.0672.0065.497.17
1200.9.0872.7966.068.08
1300.9.1073.5266.618.98
1400.9.1174.1967.139.90
1500.9.1374.8267.6210.81
1600.9.1475.4168.0911.72
1700.9.1675.9768.5312.64
1800.9.1776.4968.9613.55
1900.9.1976.9969.3714.47
2000.9.2077.4669.7615.39
2100.9.2277.9170.1416.31
2200.9.2378.3470.5017.23
2300.9.2478.7570.8518.16
2400.9.2679.1471.1919.08
2500.9.2779.5271.5220.01
2600.9.2979.8871.8320.94
2700.9.3080.2472.1421.87
2800.9.3280.5772.4322.80
2900.9.3380.9072.7223.73
3000.9.3581.2273.0024.66
3100.9.3681.5273.2725.60
3200.9.3881.8273.5326.54
3300.9.3982.1173.7927.47
3400.9.4182.3974.0328.41
3500.9.4382.6674.2829.36
3600.9.4582.9374.5130.30
3700.9.4683.1974.7431.25
3800.9.4883.4474.9732.19
3900.9.5083.6975.1933.14
4000.9.5283.9375.4134.09
4100.9.5584.1775.6235.05
4200.9.5784.4075.8236.00
4300.9.5984.6276.0336.96
4400.9.6184.8476.2237.92
4500.9.6485.0676.4238.88
4600.9.6685.2776.6139.85
4700.9.6985.4876.7940.82
4800.9.7185.6876.9841.79
4900.9.7485.8877.1642.76
5000.9.7786.0877.3343.73
5100.9.8086.2777.5144.71
5200.9.8386.4677.6845.69
5300.9.8686.6577.8446.68
5400.9.9086.8478.0147.67
5500.9.9387.0278.1748.66
5600.9.9787.2078.3349.65
5700.10.0087.3778.4950.65
5800.10.0487.5578.6451.65
5900.10.0887.7278.8052.66
6000.10.1287.8978.9553.67

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


Copyright for NIST Standard Reference Data is governed by the Standard Reference Data Act.