Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

NOTICE: Due to scheduled maintenance at our Gaithersburg campus, this site will not be available from 5:00 pm EDT (21:00 UTC) on Friday October 25 until 5:00 pm (21:00 UTC) on Sunday October 27. We apologize for any inconvenience this outage may cause.

vanadium oxide


Solid Phase Heat Capacity (Shomate Equation)

Go To: Top, References, Notes

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.

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) 298. - 2063.
A 10.98720
B 3.457460
C 0.148069
D -0.042426
E -0.100558
F -106.9620
G 21.03850
H -103.2000
ReferenceChase, 1998
Comment Data last reviewed in December, 1973
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.10.909.349.320.00
300.10.929.419.330.03
400.11.7612.689.771.16
500.12.3515.3710.632.37
600.12.8317.6611.613.63
700.13.2619.6712.634.93
800.13.6721.4713.626.28
900.14.0623.1014.587.67
1000.14.4524.6115.519.09
1100.14.8326.0016.4010.56
1200.15.2127.3117.2612.06
1300.15.5828.5418.0813.60
1400.15.9529.7118.8715.17
1500.16.3230.8219.6316.79
1600.16.6931.8920.3618.44
1700.17.0532.9121.0720.13
1800.17.4133.8921.7521.85
1900.17.7734.8422.4223.61
2000.18.1335.7623.0625.40

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