Lead oxide
- Formula: OPb
- Molecular weight: 223.2
- IUPAC Standard InChI: InChI=1S/O.Pb
- IUPAC Standard InChIKey: YEXPOXQUZXUXJW-UHFFFAOYSA-N
- CAS Registry Number: 1317-36-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: lead monoxide
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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. to 1159. | 298. to 762. | 762. to 1159. |
|---|---|---|---|
| A | 12.34500 | 1.784315 | 11.43963 |
| B | 2.509221 | 42.92208 | 3.000670 |
| C | -0.643847 | -55.81955 | -0.000433 |
| D | 0.420395 | 26.10110 | 0.000099 |
| E | -0.188269 | 0.055887 | 0.000048 |
| F | -56.85961 | -54.25024 | -56.12237 |
| G | 29.00060 | 7.778347 | 28.42017 |
| H | -52.44011 | -52.44001 | -52.44001 |
| Reference | Chase, 1998 | Chase, 1998 | Chase, 1998 |
| Comment | red phase; Data last reviewed in December, 1971 | yellow phase; Data last reviewed in December, 1971 | yellow phase; Data last reviewed in December, 1971 |
| 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. | 10.93 | 15.84 | 15.85 | -0.00 |
| 300. | 10.96 | 15.91 | 15.85 | 0.02 |
| 400. | 12.10 | 19.24 | 16.29 | 1.18 |
| 500. | 12.74 | 22.01 | 17.17 | 2.42 |
| 600. | 13.19 | 24.38 | 18.18 | 3.72 |
| 700. | 13.55 | 26.44 | 19.21 | 5.06 |
| 800. | 13.86 | 28.27 | 20.23 | 6.43 |
| 900. | 14.16 | 29.92 | 21.22 | 7.83 |
| 1000. | 14.44 | 31.42 | 22.16 | 9.26 |
| 1100. | 14.73 | 32.81 | 23.07 | 10.72 |
| 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. | 10.94 | 15.85 | 15.85 | -0.00 |
| 300. | 10.96 | 15.92 | 15.85 | 0.02 |
| 400. | 12.04 | 19.23 | 16.29 | 1.17 |
| 500. | 12.78 | 22.00 | 17.17 | 2.42 |
| 600. | 13.24 | 24.37 | 18.17 | 3.72 |
| 700. | 13.54 | 26.44 | 19.21 | 5.06 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 762. | 13.73 | 27.60 | 19.85 | 5.91 |
| 800. | 13.84 | 28.27 | 20.23 | 6.43 |
| 900. | 14.14 | 29.92 | 21.22 | 7.83 |
| 1000. | 14.44 | 31.42 | 22.16 | 9.26 |
| 1100. | 14.74 | 32.81 | 23.07 | 10.72 |
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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