tungsten


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 (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. - 1900.1900. - 3680.
A 5.726411-5.395890
B 0.63089921.57739
C 0.300610-10.58114
D -0.0608611.715256
E -0.011570-5.759417
F -1.776590-2.384974
G 14.47010-3.404566
H 0.0000000.000000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1966 Data last reviewed in June, 1966
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.5.817.807.81-0.00
300.5.817.847.810.01
400.5.959.538.040.60
500.6.0610.878.471.20
600.6.1711.998.971.81
700.6.2712.959.472.43
800.6.3713.799.963.07
900.6.4814.5510.433.71
1000.6.5915.2410.874.36
1100.6.6915.8711.305.03
1200.6.8016.4611.715.70
1300.6.9117.0112.096.39
1400.7.0317.5212.467.08
1500.7.1418.0112.827.79
1600.7.2518.4713.168.51
1700.7.3618.9213.489.24
1800.7.4819.3413.809.98
1900.7.5919.7514.1010.74
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1900.7.5719.7514.1010.74
2000.7.7220.1414.3911.50
2100.7.8320.5214.6712.28
2200.7.9420.8914.9513.07
2300.8.0421.2415.2113.87
2400.8.1521.5915.4714.68
2500.8.2921.9215.7215.50
2600.8.4722.2515.9716.34
2700.8.7022.5816.2117.19
2800.8.9822.9016.4418.08
2900.9.3423.2216.6718.99
3000.9.7823.5416.8919.95
3100.10.3123.8717.1120.95
3200.10.9424.2117.3322.01
3300.11.6924.5617.5423.15
3400.12.5724.9217.7524.36
3500.13.5825.3017.9625.66
3600.14.7325.6918.1727.08

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