Iron sulfide
- Formula: FeS
- Molecular weight: 87.910
- IUPAC Standard InChI: InChI=1S/Fe.S
- IUPAC Standard InChIKey: MBMLMWLHJBBADN-UHFFFAOYSA-N
- CAS Registry Number: 1317-96-0
- Chemical structure:
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Gas 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) | 3800. to 6000. |
|---|---|
| A | 37.81846 |
| B | -0.978851 |
| C | 0.856092 |
| D | -0.084874 |
| E | -0.330890 |
| F | 358.4194 |
| G | 296.4808 |
| H | 370.7673 |
| 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) |
|---|---|---|---|---|
| 3800. | 41.78 | 347.9 | 312.2 | 135.6 |
| 3900. | 41.97 | 349.0 | 313.1 | 139.8 |
| 4000. | 42.15 | 350.0 | 314.0 | 144.0 |
| 4100. | 42.33 | 351.1 | 314.9 | 148.2 |
| 4200. | 42.50 | 352.1 | 315.8 | 152.5 |
| 4300. | 42.67 | 353.1 | 316.7 | 156.7 |
| 4400. | 42.84 | 354.1 | 317.5 | 161.0 |
| 4500. | 43.00 | 355.1 | 318.3 | 165.3 |
| 4600. | 43.15 | 356.0 | 319.1 | 169.6 |
| 4700. | 43.30 | 356.9 | 319.9 | 173.9 |
| 4800. | 43.44 | 357.8 | 320.7 | 178.3 |
| 4900. | 43.58 | 358.7 | 321.5 | 182.6 |
| 5000. | 43.70 | 359.6 | 322.2 | 187.0 |
| 5100. | 43.82 | 360.5 | 323.0 | 191.4 |
| 5200. | 43.93 | 361.3 | 323.7 | 195.7 |
| 5300. | 44.03 | 362.2 | 324.4 | 200.1 |
| 5400. | 44.12 | 363.0 | 325.1 | 204.6 |
| 5500. | 44.20 | 363.8 | 325.8 | 209.0 |
| 5600. | 44.27 | 364.6 | 326.5 | 213.4 |
| 5700. | 44.33 | 365.4 | 327.2 | 217.8 |
| 5800. | 44.37 | 366.2 | 327.8 | 222.3 |
| 5900. | 44.40 | 366.9 | 328.5 | 226.7 |
| 6000. | 44.42 | 367.7 | 329.1 | 231.1 |
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
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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