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magnesium bromide


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 14.82150
B 0.070295
C -0.019036
D 0.001624
E -0.073111
F -77.06740
G 89.45179
H -72.40019
ReferenceChase, 1998
Comment Data last reviewed in June, 1974
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
2000.14.8899.8487.2925.11
2100.14.88100.687.9026.60
2200.14.89101.388.4928.09
2300.14.89101.989.0629.57
2400.14.89102.689.6131.06
2500.14.89103.290.1432.55
2600.14.89103.790.6534.04
2700.14.89104.391.1535.53
2800.14.90104.991.6337.02
2900.14.90105.492.0938.51
3000.14.90105.992.5540.00
3100.14.90106.492.9841.49
3200.14.90106.893.4142.98
3300.14.90107.393.8244.47
3400.14.90107.794.2345.96
3500.14.90108.294.6247.45
3600.14.90108.695.0048.94
3700.14.90109.095.3750.43
3800.14.90109.495.7451.92
3900.14.90109.896.0953.41
4000.14.90110.296.4454.90
4100.14.90110.596.7856.39
4200.14.90110.997.1157.88
4300.14.90111.297.4459.37
4400.14.90111.697.7560.86
4500.14.90111.998.0662.35
4600.14.90112.298.3763.84
4700.14.90112.698.6765.33
4800.14.90112.998.9666.81
4900.14.90113.299.2568.30
5000.14.90113.599.5369.79
5100.14.90113.899.8171.28
5200.14.90114.1100.172.77
5300.14.90114.4100.374.26
5400.14.90114.6100.675.75
5500.14.90114.9100.977.24
5600.14.90115.2101.178.73
5700.14.90115.4101.480.22
5800.14.90115.7101.681.71
5900.14.90116.0101.983.20
6000.14.91116.2102.184.69

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