barium hydroxide
- Formula: BaH2O2
- Molecular weight: 171.342
- IUPAC Standard InChI: InChI=1S/Ba.2H2O/h;2*1H2/q+2;;/p-2
- IUPAC Standard InChIKey: RQPZNWPYLFFXCP-UHFFFAOYSA-L
- CAS Registry Number: 17194-00-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Barium dihydroxide
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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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 681.15 to 2000. |
|---|---|
| A | 33.70005 |
| B | -0.000001 |
| C | 0.000001 |
| D | -3.103299×10-7 |
| E | 1.385588×10-8 |
| F | -234.4367 |
| G | 67.15846 |
| H | -223.2608 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1975 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 681. | 33.70 | 54.22 | 36.93 | 11.78 |
| 700. | 33.70 | 55.14 | 37.40 | 12.41 |
| 800. | 33.70 | 59.64 | 39.91 | 15.78 |
| 900. | 33.70 | 63.61 | 42.33 | 19.15 |
| 1000. | 33.70 | 67.16 | 44.63 | 22.52 |
| 1100. | 33.70 | 70.37 | 46.83 | 25.89 |
| 1200. | 33.70 | 73.30 | 48.92 | 29.26 |
| 1300. | 33.70 | 76.00 | 50.90 | 32.63 |
| 1400. | 33.70 | 78.50 | 52.78 | 36.00 |
| 1500. | 33.70 | 80.82 | 54.57 | 39.37 |
| 1600. | 33.70 | 83.00 | 56.28 | 42.74 |
| 1700. | 33.70 | 85.04 | 57.91 | 46.11 |
| 1800. | 33.70 | 86.97 | 59.48 | 49.48 |
| 1900. | 33.70 | 88.79 | 60.97 | 52.85 |
| 2000. | 33.70 | 90.52 | 62.41 | 56.22 |
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
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