Disilicon 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 (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. - 6000.
A 38.9622062.75874
B 41.84126-7.005439
C -29.862304.097706
D 7.853285-0.425546
E -0.1393470.696590
F 521.8578513.9207
G 277.4360312.3410
H 535.5520535.5520
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in March, 1966 Data last reviewed in March, 1966
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.47.42242.3242.3-0.01
300.47.49242.6242.30.09
400.50.55256.7244.25.00
500.52.84268.2247.910.17
600.54.63278.0252.115.55
700.56.03286.6256.421.09
800.57.13294.1260.726.75
900.57.98300.9264.832.50
1000.58.66307.0268.738.34
1100.59.19312.7272.444.23
1200.59.64317.8276.050.17
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1200.60.00317.8276.050.19
1300.60.05322.6279.456.20
1400.60.17327.1282.762.21
1500.60.34331.3285.868.23
1600.60.57335.2288.774.28
1700.60.84338.8291.680.35
1800.61.16342.3294.386.45
1900.61.52345.6296.992.58
2000.61.91348.8299.498.75
2100.62.34351.8301.9105.0
2200.62.79354.7304.2111.2
2300.63.28357.5306.5117.5
2400.63.79360.3308.6123.9
2500.64.32362.9310.8130.3
2600.64.87365.4312.8136.7
2700.65.44367.9314.8143.3
2800.66.02370.2316.7149.8
2900.66.61372.6318.6156.5
3000.67.21374.8320.5163.2
3100.67.82377.1322.2169.9
3200.68.43379.2324.0176.7
3300.69.04381.3325.7183.6
3400.69.64383.4327.4190.5
3500.70.25385.4329.0197.5
3600.70.84387.4330.6204.6
3700.71.43389.4332.2211.7
3800.72.01391.3333.7218.9
3900.72.57393.2335.2226.1
4000.73.11395.0336.7233.4
4100.73.63396.8338.1240.7
4200.74.13398.6339.5248.1
4300.74.61400.3340.9255.5
4400.75.05402.1342.3263.0
4500.75.47403.8343.6270.5
4600.75.85405.4345.0278.1
4700.76.20407.1346.3285.7
4800.76.51408.7347.5293.3
4900.76.78410.2348.8301.0
5000.77.01411.8350.1308.7
5100.77.19413.3351.3316.4
5200.77.32414.8352.5324.1
5300.77.41416.3353.7331.9
5400.77.43417.7354.9339.6
5500.77.41419.2356.0347.4
5600.77.32420.6357.1355.1
5700.77.18421.9358.3362.8
5800.76.97423.3359.4370.5
5900.76.69424.6360.5378.2
6000.76.34425.9361.6385.9

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