sodium cyanide


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

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Temperature (K) 835. - 3000.
A 79.49600
B 0.000000
C 0.000000
D 0.000000
E 0.000000
F -111.3475
G 214.1819
H -84.39797
ReferenceChase, 1998
Comment Data last reviewed in March, 1966
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
835.79.50199.8152.639.43
900.79.50205.8156.344.60
1000.79.50214.2161.652.55
1100.79.50221.8166.860.50
1200.79.50228.7171.668.45
1300.79.50235.0176.376.40
1400.79.50240.9180.784.34
1500.79.50246.4184.992.29
1600.79.50251.5188.9100.2
1700.79.50256.4192.7108.2
1800.79.50260.9196.4116.1
1900.79.50265.2199.9124.1
2000.79.50269.3203.3132.0
2100.79.50273.2206.5140.0
2200.79.50276.9209.6147.9
2300.79.50280.4212.6155.9
2400.79.50283.8215.5163.8
2500.79.50287.0218.3171.8
2600.79.50290.1221.0179.7
2700.79.50293.1223.6187.7
2800.79.50296.0226.2195.6
2900.79.50298.8228.6203.6
3000.79.50301.5231.0211.5

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