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molybdenum


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. - 2896.
A 5.909981294.2620
B 0.946564-230.2640
C -0.30370667.81291
D 0.275589-6.701960
E -0.040690-170.2210
F -1.938500-355.0500
G 13.48800137.1380
H 0.0000000.000000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in March, 1978 Data last reviewed in March, 1978
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.5.716.836.84-0.00
300.5.726.876.840.01
400.6.008.567.060.60
500.6.189.927.501.21
600.6.3211.068.001.83
700.6.4412.048.512.47
800.6.5512.919.013.12
900.6.6713.699.493.78
1000.6.7914.399.944.45
1100.6.9215.0510.385.14
1200.7.0615.6610.795.84
1300.7.2116.2311.196.55
1400.7.3816.7711.577.28
1500.7.5617.2811.938.03
1600.7.7617.7812.288.79
1700.7.9818.2512.629.58
1800.8.2218.7212.9410.39
1900.8.4919.1713.2611.22
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1900.8.4419.1713.2611.22
2000.8.8119.6113.5712.08
2100.9.1020.0513.8612.98
2200.9.3620.4714.1613.90
2300.9.6620.9014.4414.85
2400.10.0321.3214.7215.84
2500.10.4821.7314.9916.86
2600.11.0222.1615.2617.94
2700.11.6422.5815.5219.07
2800.12.3423.0215.7820.27

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