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caesium sulphate


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) 3000. - 6000.
A 37.51960
B 0.132432
C -0.026781
D 0.001853
E -1.865810
F -284.7349
G 134.6460
H -268.3000
ReferenceChase, 1998
Comment Data last reviewed in June, 1979
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
3000.37.52176.3143.997.14
3100.37.53177.5144.9100.9
3200.37.55178.7146.0104.6
3300.37.56179.8147.0108.4
3400.37.57181.0148.0112.2
3500.37.58182.1148.9115.9
3600.37.59183.1149.9119.7
3700.37.60184.1150.8123.4
3800.37.61185.1151.7127.2
3900.37.62186.1152.5131.0
4000.37.62187.1153.4134.7
4100.37.63188.0154.2138.5
4200.37.63188.9155.0142.2
4300.37.64189.8155.8146.0
4400.37.65190.7156.6149.8
4500.37.65191.5157.4153.5
4600.37.65192.3158.1157.3
4700.37.66193.1158.9161.1
4800.37.66193.9159.6164.8
4900.37.67194.7160.3168.6
5000.37.67195.5161.0172.4
5100.37.67196.2161.7176.1
5200.37.68197.0162.4179.9
5300.37.68197.7163.0183.7
5400.37.68198.4163.7187.4
5500.37.68199.1164.3191.2
5600.37.69199.7164.9195.0
5700.37.69200.4165.5198.7
5800.37.69201.1166.2202.5
5900.37.70201.7166.7206.3
6000.37.70202.3167.3210.0

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