potassium tetrafluoroborate
- Formula: BF4K
- Molecular weight: 125.903
- IUPAC Standard InChI: InChI=1S/BF4.K/c2-1(3,4)5;/q-1;+1
- IUPAC Standard InChIKey: AKEBROIVCDHVSD-UHFFFAOYSA-N
- CAS Registry Number: 14075-53-7
- Chemical structure:
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Liquid 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.
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| Temperature (K) | 843. - 1500. |
|---|---|
| A | 167.1173 |
| B | 2.338556×10-8 |
| C | -2.266796×10-8 |
| D | 7.154012×10-9 |
| E | 2.722922×10-10 |
| F | -1919.243 |
| G | 352.3681 |
| H | -1869.415 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1969 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 843. | 167.1 | 323.8 | 215.8 | 91.05 |
| 900. | 167.1 | 334.8 | 223.0 | 100.6 |
| 1000. | 167.1 | 352.4 | 235.1 | 117.3 |
| 1100. | 167.1 | 368.3 | 246.5 | 134.0 |
| 1200. | 167.1 | 382.8 | 257.2 | 150.7 |
| 1300. | 167.1 | 396.2 | 267.4 | 167.4 |
| 1400. | 167.1 | 408.6 | 277.1 | 184.1 |
| 1500. | 167.1 | 420.1 | 286.2 | 200.8 |
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
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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