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lead(2+) silicate


Solid 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) 298. - 1200.1200. - 2000.
A 43.81945120.1260
B 221.52699.161873
C -194.25432.483887
D 59.58769-1.379290
E -0.3675360.393615
F -1167.549-1187.298
G 102.9201237.5679
H -1144.993-1144.993
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1965 Data last reviewed in June, 1965
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.90.02109.9109.9-0.02
300.90.32110.5109.90.16
400.102.9138.3113.69.85
500.112.0162.2121.020.62
600.118.7183.3129.732.17
700.123.4202.0138.744.28
800.126.7218.7147.756.80
900.128.8233.7156.469.58
1000.130.3247.4164.882.54
1100.131.5259.8172.995.63
1200.132.6271.3180.6108.8
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1200.132.6271.3180.6108.8
1300.133.4282.0188.0122.1
1400.134.2291.9195.1135.5
1500.135.0301.2201.9149.0
1600.135.6309.9208.3162.5
1700.136.2318.1214.6176.1
1800.136.7325.9220.5189.8
1900.137.1333.4226.3203.4
2000.137.4340.4231.8217.2

References

Go To: Top, Solid 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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