potassium tetrafluoroborate


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

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Temperature (K) 1500. to 6000.
A 31.43810
B 0.198719
C -0.040094
D 0.002770
E -1.897490
F -385.5120
G 105.8510
H -371.0000
ReferenceChase, 1998
Comment Data last reviewed in December, 1969
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1500.30.81119.396.5534.09
1600.30.92121.398.0337.18
1700.31.02123.199.4540.28
1800.31.10124.9100.843.38
1900.31.16126.6102.146.50
2000.31.22128.2103.449.61
2100.31.27129.7104.652.74
2200.31.32131.2105.855.87
2300.31.36132.6106.959.00
2400.31.39133.9108.062.14
2500.31.42135.2109.165.28
2600.31.45136.4110.168.43
2700.31.48137.6111.171.57
2800.31.50138.8112.174.72
2900.31.52139.9113.077.87
3000.31.54140.9113.981.02
3100.31.55142.0114.884.18
3200.31.57143.0115.787.34
3300.31.58143.9116.590.49
3400.31.59144.9117.393.65
3500.31.61145.8118.196.81
3600.31.62146.7118.999.97
3700.31.63147.6119.7103.1
3800.31.63148.4120.4106.3
3900.31.64149.2121.2109.5
4000.31.65150.0121.9112.6
4100.31.66150.8122.6115.8
4200.31.66151.6123.2119.0
4300.31.67152.3123.9122.1
4400.31.67153.0124.6125.3
4500.31.68153.8125.2128.5
4600.31.68154.5125.8131.6
4700.31.69155.1126.5134.8
4800.31.69155.8127.1138.0
4900.31.70156.5127.7141.1
5000.31.70157.1128.2144.3
5100.31.70157.7128.8147.5
5200.31.71158.3129.4150.6
5300.31.71158.9129.9153.8
5400.31.71159.5130.5157.0
5500.31.72160.1131.0160.2
5600.31.72160.7131.5163.3
5700.31.72161.2132.0166.5
5800.31.73161.8132.5169.7
5900.31.73162.3133.0172.8
6000.31.73162.9133.5176.0

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