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 (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 298. - 3000. |
|---|---|
| A | 49.35710 |
| B | 9.299091 |
| C | -0.991007 |
| D | 0.175505 |
| E | -0.245622 |
| F | -479.5420 |
| G | 133.9690 |
| H | -463.5870 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 1977 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 298. | 49.28 | 78.33 | 78.39 | -0.02 |
| 300. | 49.33 | 78.66 | 78.39 | 0.08 |
| 400. | 51.39 | 93.16 | 80.34 | 5.13 |
| 500. | 52.80 | 104.8 | 84.10 | 10.34 |
| 600. | 53.94 | 114.5 | 88.38 | 15.68 |
| 700. | 54.94 | 122.9 | 92.73 | 21.12 |
| 800. | 55.87 | 130.3 | 96.97 | 26.66 |
| 900. | 56.75 | 136.9 | 101.0 | 32.29 |
| 1000. | 57.60 | 143.0 | 104.9 | 38.01 |
| 1100. | 58.42 | 148.5 | 108.7 | 43.81 |
| 1200. | 59.22 | 153.6 | 112.2 | 49.69 |
| 1300. | 60.01 | 158.4 | 115.6 | 55.66 |
| 1400. | 60.79 | 162.8 | 118.8 | 61.70 |
| 1500. | 61.56 | 167.1 | 121.9 | 67.81 |
| 1600. | 62.32 | 171.1 | 124.8 | 74.01 |
| 1700. | 63.08 | 174.9 | 127.6 | 80.28 |
| 1800. | 63.83 | 178.5 | 130.4 | 86.62 |
| 1900. | 64.58 | 182.0 | 133.0 | 93.04 |
| 2000. | 65.33 | 185.3 | 135.5 | 99.54 |
| 2100. | 66.08 | 188.5 | 138.0 | 106.1 |
| 2200. | 66.84 | 191.6 | 140.3 | 112.8 |
| 2300. | 67.59 | 194.6 | 142.6 | 119.5 |
| 2400. | 68.35 | 197.5 | 144.9 | 126.3 |
| 2500. | 69.11 | 200.3 | 147.0 | 133.1 |
| 2600. | 69.88 | 203.0 | 149.1 | 140.1 |
| 2700. | 70.66 | 205.7 | 151.2 | 147.1 |
| 2800. | 71.45 | 208.2 | 153.2 | 154.2 |
| 2900. | 72.24 | 210.8 | 155.1 | 161.4 |
| 3000. | 73.05 | 213.2 | 157.0 | 168.7 |
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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