sodium metaborate, anhydrous
- Formula: BNaO2
- Molecular weight: 65.800
- CAS Registry Number: 7775-19-1
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Gas Phase Heat Capacity (Shomate Equation)
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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) | 2500. - 6000. |
|---|---|
| A | 19.43940 |
| B | 0.231220 |
| C | -0.045253 |
| D | 0.003054 |
| E | -1.361360 |
| F | -164.1410 |
| G | 87.51350 |
| H | -155.0000 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 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) |
|---|---|---|---|---|
| 2500. | 19.56 | 105.9 | 89.68 | 40.52 |
| 2600. | 19.59 | 106.7 | 90.32 | 42.48 |
| 2700. | 19.61 | 107.4 | 90.94 | 44.44 |
| 2800. | 19.63 | 108.1 | 91.54 | 46.40 |
| 2900. | 19.64 | 108.8 | 92.12 | 48.36 |
| 3000. | 19.66 | 109.5 | 92.69 | 50.33 |
| 3100. | 19.67 | 110.1 | 93.24 | 52.29 |
| 3200. | 19.68 | 110.7 | 93.78 | 54.26 |
| 3300. | 19.69 | 111.3 | 94.30 | 56.23 |
| 3400. | 19.70 | 111.9 | 94.81 | 58.20 |
| 3500. | 19.71 | 112.5 | 95.31 | 60.17 |
| 3600. | 19.72 | 113.1 | 95.79 | 62.14 |
| 3700. | 19.73 | 113.6 | 96.27 | 64.11 |
| 3800. | 19.74 | 114.1 | 96.73 | 66.09 |
| 3900. | 19.74 | 114.6 | 97.18 | 68.06 |
| 4000. | 19.75 | 115.1 | 97.62 | 70.04 |
| 4100. | 19.76 | 115.6 | 98.06 | 72.01 |
| 4200. | 19.76 | 116.1 | 98.48 | 73.99 |
| 4300. | 19.77 | 116.6 | 98.90 | 75.96 |
| 4400. | 19.77 | 117.0 | 99.30 | 77.94 |
| 4500. | 19.77 | 117.5 | 99.70 | 79.92 |
| 4600. | 19.78 | 117.9 | 100.1 | 81.90 |
| 4700. | 19.78 | 118.3 | 100.5 | 83.87 |
| 4800. | 19.79 | 118.7 | 100.9 | 85.85 |
| 4900. | 19.79 | 119.1 | 101.2 | 87.83 |
| 5000. | 19.79 | 119.5 | 101.6 | 89.81 |
| 5100. | 19.79 | 119.9 | 101.9 | 91.79 |
| 5200. | 19.80 | 120.3 | 102.3 | 93.77 |
| 5300. | 19.80 | 120.7 | 102.6 | 95.75 |
| 5400. | 19.80 | 121.1 | 103.0 | 97.73 |
| 5500. | 19.81 | 121.4 | 103.3 | 99.71 |
| 5600. | 19.81 | 121.8 | 103.6 | 101.7 |
| 5700. | 19.81 | 122.1 | 104.0 | 103.7 |
| 5800. | 19.81 | 122.5 | 104.3 | 105.7 |
| 5900. | 19.82 | 122.8 | 104.6 | 107.6 |
| 6000. | 19.82 | 123.2 | 104.9 | 109.6 |
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
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