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potassium iodide


Liquid 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) 954. - 2500.
A 17.30000
B -3.890280×10-10
C 2.440010×10-10
D -4.843060×10-11
E -9.848151×10-12
F -79.93000
G 48.20590
H -74.77211
ReferenceChase, 1998
Comment Data last reviewed in June, 1967
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
954.17.3047.3935.5011.35
1000.17.3048.2136.0612.14
1100.17.3049.8537.2413.87
1200.17.3051.3638.3615.60
1300.17.3052.7439.4117.33
1400.17.3054.0340.4119.06
1500.17.3055.2241.3620.79
1600.17.3056.3442.2622.52
1700.17.3057.3943.1224.25
1800.17.3058.3743.9425.98
1900.17.3059.3144.7227.71
2000.17.3060.2045.4829.44
2100.17.3061.0446.2031.17
2200.17.3061.8546.8932.90
2300.17.3062.6247.5634.63
2400.17.3063.3548.2036.36
2500.17.3064.0648.8238.09

References

Go To: Top, Liquid 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, Liquid Phase Heat Capacity (Shomate Equation), References