calcium iodide


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) 2500. - 6000.
A 62.28888
B 0.059147
C -0.016018
D 0.001365
E -0.149482
F -277.2285
G 402.0878
H -258.1532
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)
2500.62.33459.3404.6136.8
2600.62.34461.7406.7143.1
2700.62.34464.1408.8149.3
2800.62.34466.3410.8155.5
2900.62.34468.5412.8161.8
3000.62.34470.6414.6168.0
3100.62.34472.7416.5174.2
3200.62.34474.7418.3180.5
3300.62.34476.6420.0186.7
3400.62.35478.4421.7192.9
3500.62.35480.3423.4199.2
3600.62.35482.0425.0205.4
3700.62.35483.7426.5211.6
3800.62.35485.4428.0217.9
3900.62.35487.0429.5224.1
4000.62.35488.6431.0230.3
4100.62.35490.1432.4236.6
4200.62.35491.6433.8242.8
4300.62.35493.1435.2249.0
4400.62.35494.5436.5255.3
4500.62.35495.9437.8261.5
4600.62.35497.3439.1267.7
4700.62.35498.6440.3274.0
4800.62.35499.9441.6280.2
4900.62.35501.2442.8286.4
5000.62.35502.5444.0292.7
5100.62.35503.7445.1298.9
5200.62.35504.9446.3305.2
5300.62.35506.1447.4311.4
5400.62.35507.3448.5317.6
5500.62.35508.4449.6323.9
5600.62.35509.6450.6330.1
5700.62.35510.7451.7336.3
5800.62.36511.7452.7342.6
5900.62.36512.8453.7348.8
6000.62.36513.9454.7355.0

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