cobalt


Gas 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 (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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

Temperature (K) 3184.943 - 6000.
A 40.74325
B -8.456702
C 1.539888
D -0.065190
E -11.14940
F 397.2461
G 212.9171
H 426.6760
ReferenceChase, 1998
Comment Data last reviewed in September, 1967
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
3185.26.22240.8217.075.85
3200.26.23241.0217.176.25
3300.26.24241.8217.978.87
3400.26.26242.6218.681.49
3500.26.30243.3219.384.12
3600.26.35244.1220.086.75
3700.26.42244.8220.689.39
3800.26.49245.5221.392.04
3900.26.58246.2221.994.69
4000.26.69246.8222.597.36
4100.26.80247.5223.1100.0
4200.26.93248.2223.7102.7
4300.27.07248.8224.3105.4
4400.27.22249.4224.8108.1
4500.27.38250.0225.4110.9
4600.27.55250.6225.9113.6
4700.27.74251.2226.5116.4
4800.27.94251.8227.0119.2
4900.28.14252.4227.5122.0
5000.28.36253.0228.0124.8
5100.28.59253.5228.5127.6
5200.28.83254.1229.0130.5
5300.29.08254.6229.5133.4
5400.29.33255.2229.9136.3
5500.29.60255.7230.4139.3
5600.29.87256.3230.9142.2
5700.30.16256.8231.3145.2
5800.30.45257.3231.8148.3
5900.30.74257.8232.2151.3
6000.31.05258.4232.6154.4

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