Silicon dicarbide


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. - 1300.1300. - 6000.
A 8.60097117.31390
B 10.68550-3.228320
C -7.2249811.256401
D 1.796591-0.114678
E -0.025909-1.241170
F 143.9340138.5860
G 63.9623173.63979
H 147.0000147.0000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in March, 1967 Data last reviewed in March, 1967
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.10.9056.5756.58-0.00
300.10.9256.6556.580.02
400.11.6759.9057.021.15
500.12.2662.5757.872.35
600.12.7364.8458.853.60
700.13.1066.8459.854.89
800.13.4068.6160.836.22
900.13.6470.2061.797.57
1000.13.8371.6562.708.94
1100.13.9872.9763.5810.34
1200.14.1174.1964.4111.74
1300.14.2175.3365.2113.16
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1300.14.2575.3365.2113.16
1400.14.3176.3965.9714.59
1500.14.3677.3866.7016.02
1600.14.4178.3167.3917.46
1700.14.4679.1868.0618.90
1800.14.5280.0168.7020.35
1900.14.5980.8069.3221.81
2000.14.6681.5569.9123.27
2100.14.7382.2670.4824.74
2200.14.8282.9571.0326.22
2300.14.9183.6171.5727.70
2400.15.0084.2572.0829.20
2500.15.1184.8672.5830.70
2600.15.2185.4673.0632.22
2700.15.3386.0373.5333.75
2800.15.4586.5973.9935.28
2900.15.5787.1474.4336.84
3000.15.7087.6774.8738.40
3100.15.8388.1875.2939.98
3200.15.9788.6975.7041.57
3300.16.1189.1876.1043.17
3400.16.2589.6776.4944.79
3500.16.3990.1476.8846.42
3600.16.5390.6077.2548.07
3700.16.6791.0677.6249.73
3800.16.8191.5077.9851.40
3900.16.9591.9478.3353.09
4000.17.0992.3778.6754.79
4100.17.2292.8079.0156.50
4200.17.3593.2179.3558.23
4300.17.4893.6279.6759.97
4400.17.6094.0380.0061.73
4500.17.7294.4280.3163.49
4600.17.8394.8180.6265.27
4700.17.9395.2080.9367.06
4800.18.0395.5881.2368.86
4900.18.1295.9581.5370.67
5000.18.2096.3281.8272.48
5100.18.2796.6882.1174.30
5200.18.3397.0382.3976.13
5300.18.3897.3882.6777.97
5400.18.4297.7382.9579.81
5500.18.4498.0683.2281.65
5600.18.4698.4083.4983.50
5700.18.4698.7283.7585.34
5800.18.4499.0484.0187.19
5900.18.4199.3684.2789.03
6000.18.3799.6784.5290.87

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