silicon carbide


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. - 1000.1000. - 6000.
A 14.417267.974594
B 1.0573481.060502
C -14.76929-0.206767
D 9.3358990.013797
E -0.4005710.734534
F 166.4214171.4766
G 66.3647262.75693
H 172.0000172.0000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in March, 1966 Data last reviewed in March, 1966
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.9.1650.9150.92-0.00
300.9.2150.9750.920.02
400.10.5753.8551.301.02
500.10.8256.2452.062.09
600.10.6458.2052.923.17
700.10.3159.8253.804.22
800.9.9661.1754.645.23
900.9.7262.3355.436.21
1000.9.6463.3556.177.18
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1000.9.5863.3556.177.18
1100.9.5264.2656.868.14
1200.9.4865.0957.529.09
1300.9.4765.8558.1310.03
1400.9.4766.5558.7010.98
1500.9.4767.2059.2511.93
1600.9.4967.8159.7712.87
1700.9.5068.3960.2613.82
1800.9.5268.9360.7214.78
1900.9.5469.4561.1715.73
2000.9.5669.9461.6016.68
2100.9.5870.4062.0017.64
2200.9.6170.8562.4018.60
2300.9.6371.2862.7719.56
2400.9.6571.6963.1420.53
2500.9.6772.0863.4921.49
2600.9.6972.4663.8222.46
2700.9.7072.8364.1523.43
2800.9.7273.1864.4724.40
2900.9.7373.5264.7725.37
3000.9.7573.8565.0726.35
3100.9.7674.1765.3627.32
3200.9.7774.4865.6428.30
3300.9.7974.7865.9129.28
3400.9.8075.0866.1830.26
3500.9.8075.3666.4431.24
3600.9.8175.6466.6932.22
3700.9.8275.9166.9333.20
3800.9.8376.1767.1734.18
3900.9.8376.4267.4135.16
4000.9.8476.6767.6336.15
4100.9.8476.9167.8637.13
4200.9.8577.1568.0838.12
4300.9.8577.3868.2939.10
4400.9.8577.6168.5040.09
4500.9.8577.8368.7041.07
4600.9.8678.0568.9142.06
4700.9.8678.2669.1043.04
4800.9.8678.4769.2944.03
4900.9.8678.6769.4845.01
5000.9.8678.8769.6746.00
5100.9.8679.0669.8546.99
5200.9.8779.2670.0347.97
5300.9.8779.4470.2148.96
5400.9.8779.6370.3849.95
5500.9.8779.8170.5550.93
5600.9.8879.9970.7251.92
5700.9.8880.1670.8852.91
5800.9.8880.3371.0453.90
5900.9.8980.5071.2054.88
6000.9.8980.6771.3655.87

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