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Dioxosilane


Liquid 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 (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 1996. - 4500.
A 85.77200
B -0.000016
C 0.000004
D -3.809081×10-7
E -0.000017
F -952.8700
G 113.3440
H -902.6610
ReferenceChase, 1998
Comment Data last reviewed in June, 1967
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1996.85.77172.6112.0121.0
2000.85.77172.8112.1121.3
2100.85.77177.0115.1129.9
2200.85.77181.0118.0138.5
2300.85.77184.8120.8147.1
2400.85.77188.4123.6155.6
2500.85.77191.9126.2164.2
2600.85.77195.3128.8172.8
2700.85.77198.5131.4181.4
2800.85.77201.7133.8190.0
2900.85.77204.7136.2198.5
3000.85.77207.6138.5207.1
3100.85.77210.4140.8215.7
3200.85.77213.1143.0224.3
3300.85.77215.7145.2232.8
3400.85.77218.3147.3241.4
3500.85.77220.8149.4250.0
3600.85.77223.2151.4258.6
3700.85.77225.6153.4267.1
3800.85.77227.8155.3275.7
3900.85.77230.1157.2284.3
4000.85.77232.2159.0292.9
4100.85.77234.4160.8301.5
4200.85.77236.4162.6310.0
4300.85.77238.5164.4318.6
4400.85.77240.4166.1327.2
4500.85.77242.4167.7335.8

References

Go To: Top, Liquid 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

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