barium iodide


Gas 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) 2800. - 6000.
A 58.19107
B 0.008639
C -0.002361
D 0.000203
E -0.065060
F -320.4906
G 418.1908
H -302.9224
ReferenceChase, 1998
Comment Data last reviewed in June, 1974
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
2800.58.19478.1426.2145.4
2900.58.19480.2428.0151.2
3000.58.19482.1429.8157.0
3100.58.19484.0431.5162.9
3200.58.19485.9433.2168.7
3300.58.20487.7434.8174.5
3400.58.20489.4436.4180.3
3500.58.20491.1437.9186.1
3600.58.20492.8439.4192.0
3700.58.20494.3440.9197.8
3800.58.20495.9442.3203.6
3900.58.20497.4443.7209.4
4000.58.20498.9445.1215.2
4100.58.20500.3446.4221.1
4200.58.20501.7447.7226.9
4300.58.20503.1449.0232.7
4400.58.20504.4450.2238.5
4500.58.20505.7451.4244.3
4600.58.20507.0452.6250.2
4700.58.20508.3453.8256.0
4800.58.20509.5455.0261.8
4900.58.20510.7456.1267.6
5000.58.20511.9457.2273.4
5100.58.20513.0458.3279.3
5200.58.20514.2459.3285.1
5300.58.20515.3460.4290.9
5400.58.20516.3461.4296.7
5500.58.20517.4462.4302.5
5600.58.20518.5463.4308.4
5700.58.20519.5464.4314.2
5800.58.20520.5465.3320.0
5900.58.20521.5466.3325.8
6000.58.20522.5467.2331.6

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