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zirconium carbide


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. - 3805.
A 51.02723
B 3.685640
C -0.199004
D 0.028938
E -1.303810
F -216.4438
G 86.46278
H -196.6480
ReferenceChase, 1998
Comment Data last reviewed in December, 1964
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.37.4333.1233.29-0.05
300.37.6333.3733.290.02
400.44.3245.2434.834.17
500.47.6155.5237.968.78
600.49.5564.3941.6513.64
700.50.8672.1345.4618.67
800.51.8378.9849.2323.80
900.52.5985.1352.8829.03
1000.53.2490.7156.3934.32
1100.53.8095.8159.7539.67
1200.54.31100.562.9545.08
1300.54.77104.966.0150.53
1400.55.21109.068.9356.03
1500.55.63112.871.7361.57
1600.56.02116.474.4167.16
1700.56.41119.876.9872.78
1800.56.78123.079.4578.44
1900.57.15126.181.8284.13
2000.57.51129.084.1189.87
2100.57.86131.986.3295.64
2200.58.21134.688.45101.4
2300.58.56137.290.51107.3
2400.58.90139.792.51113.2
2500.59.24142.194.44119.1
2600.59.58144.496.32125.0
2700.59.92146.798.14131.0
2800.60.26148.899.91137.0
2900.60.59151.0101.6143.0
3000.60.93153.0103.3149.1
3100.61.27155.0105.0155.2
3200.61.60157.0106.5161.4
3300.61.94158.9108.1167.5
3400.62.28160.7109.6173.7
3500.62.62162.5111.1180.0
3600.62.97164.3112.6186.3
3700.63.31166.0114.0192.6
3800.63.66167.7115.4198.9

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

Go To: Top, Solid Phase Heat Capacity (Shomate Equation), References