barium sulphide
- Formula: BaS
- Molecular weight: 169.392
- IUPAC Standard InChI: InChI=1S/Ba.S
- IUPAC Standard InChIKey: OTMNKCRTGBGNPN-UHFFFAOYSA-N
- CAS Registry Number: 21109-95-5
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Barium sulfide
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Solid 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) | 298. - 3000. |
|---|---|
| A | 11.79663 |
| B | 2.222536 |
| C | -0.236856 |
| D | 0.041947 |
| E | -0.058705 |
| F | -114.6133 |
| G | 32.01936 |
| H | -110.8000 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1977 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 298. | 11.78 | 18.72 | 18.73 | -0.00 |
| 300. | 11.79 | 18.80 | 18.73 | 0.02 |
| 400. | 12.28 | 22.26 | 19.20 | 1.23 |
| 500. | 12.62 | 25.04 | 20.10 | 2.47 |
| 600. | 12.89 | 27.37 | 21.12 | 3.75 |
| 700. | 13.13 | 29.37 | 22.16 | 5.05 |
| 800. | 13.35 | 31.14 | 23.18 | 6.37 |
| 900. | 13.56 | 32.73 | 24.15 | 7.72 |
| 1000. | 13.77 | 34.17 | 25.08 | 9.08 |
| 1100. | 13.96 | 35.49 | 25.97 | 10.47 |
| 1200. | 14.15 | 36.71 | 26.81 | 11.88 |
| 1300. | 14.34 | 37.85 | 27.62 | 13.30 |
| 1400. | 14.53 | 38.92 | 28.39 | 14.75 |
| 1500. | 14.71 | 39.93 | 29.12 | 16.21 |
| 1600. | 14.90 | 40.89 | 29.83 | 17.69 |
| 1700. | 15.08 | 41.79 | 30.51 | 19.19 |
| 1800. | 15.26 | 42.66 | 31.16 | 20.70 |
| 1900. | 15.44 | 43.49 | 31.79 | 22.24 |
| 2000. | 15.62 | 44.29 | 32.39 | 23.79 |
| 2100. | 15.79 | 45.05 | 32.98 | 25.36 |
| 2200. | 15.97 | 45.79 | 33.54 | 26.95 |
| 2300. | 16.15 | 46.51 | 34.09 | 28.56 |
| 2400. | 16.34 | 47.20 | 34.62 | 30.18 |
| 2500. | 16.52 | 47.87 | 35.14 | 31.82 |
| 2600. | 16.70 | 48.52 | 35.64 | 33.48 |
| 2700. | 16.89 | 49.15 | 36.13 | 35.16 |
| 2800. | 17.08 | 49.77 | 36.61 | 36.86 |
| 2900. | 17.27 | 50.37 | 37.07 | 38.58 |
| 3000. | 17.46 | 50.96 | 37.52 | 40.32 |
References
Go To: Top, Solid 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, Solid Phase Heat Capacity (Shomate Equation), References
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