molybdic acid
- Formula: H2MoO4
- Molecular weight: 161.97
- IUPAC Standard InChI: InChI=1S/Mo.2H2O.2O/h;2*1H2;;/q+2;;;;/p-2
- IUPAC Standard InChIKey: VLAPMBHFAWRUQP-UHFFFAOYSA-L
- CAS Registry Number: 7782-91-4
- 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 (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 1200. | 1200. to 6000. |
|---|---|---|
| A | 19.79840 | 35.13210 |
| B | 30.98910 | 1.337631 |
| C | -23.83300 | -0.253240 |
| D | 6.974420 | 0.016691 |
| E | -0.197441 | -2.676501 |
| F | -211.1470 | -220.2400 |
| G | 99.59931 | 118.5540 |
| H | -203.4000 | -203.4000 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in June, 1970 | Data last reviewed in June, 1970 |
| 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. | 24.88 | 84.98 | 85.00 | -0.01 |
| 300. | 24.94 | 85.15 | 85.00 | 0.04 |
| 400. | 27.59 | 92.71 | 86.01 | 2.68 |
| 500. | 29.42 | 99.08 | 88.00 | 5.54 |
| 600. | 30.77 | 104.6 | 90.32 | 8.55 |
| 700. | 31.80 | 109.4 | 92.70 | 11.68 |
| 800. | 32.60 | 113.7 | 95.06 | 14.90 |
| 900. | 33.22 | 117.6 | 97.35 | 18.19 |
| 1000. | 33.73 | 121.1 | 99.55 | 21.54 |
| 1100. | 34.17 | 124.3 | 101.7 | 24.94 |
| 1200. | 34.58 | 127.3 | 103.7 | 28.38 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 1200. | 34.54 | 127.3 | 103.7 | 28.37 |
| 1300. | 34.90 | 130.1 | 105.6 | 31.85 |
| 1400. | 35.19 | 132.7 | 107.4 | 35.35 |
| 1500. | 35.44 | 135.1 | 109.2 | 38.88 |
| 1600. | 35.65 | 137.4 | 110.9 | 42.44 |
| 1700. | 35.83 | 139.6 | 112.5 | 46.01 |
| 1800. | 35.99 | 141.6 | 114.1 | 49.60 |
| 1900. | 36.13 | 143.6 | 115.6 | 53.21 |
| 2000. | 36.26 | 145.5 | 117.0 | 56.83 |
| 2100. | 36.37 | 147.2 | 118.4 | 60.46 |
| 2200. | 36.47 | 148.9 | 119.8 | 64.10 |
| 2300. | 36.57 | 150.5 | 121.1 | 67.76 |
| 2400. | 36.65 | 152.1 | 122.3 | 71.42 |
| 2500. | 36.73 | 153.6 | 123.6 | 75.08 |
| 2600. | 36.80 | 155.0 | 124.7 | 78.76 |
| 2700. | 36.86 | 156.4 | 125.9 | 82.44 |
| 2800. | 36.92 | 157.8 | 127.0 | 86.13 |
| 2900. | 36.97 | 159.1 | 128.1 | 89.83 |
| 3000. | 37.02 | 160.3 | 129.1 | 93.53 |
| 3100. | 37.06 | 161.5 | 130.2 | 97.23 |
| 3200. | 37.10 | 162.7 | 131.2 | 100.9 |
| 3300. | 37.14 | 163.9 | 132.1 | 104.7 |
| 3400. | 37.18 | 165.0 | 133.1 | 108.4 |
| 3500. | 37.21 | 166.0 | 134.0 | 112.1 |
| 3600. | 37.24 | 167.1 | 134.9 | 115.8 |
| 3700. | 37.26 | 168.1 | 135.8 | 119.5 |
| 3800. | 37.29 | 169.1 | 136.7 | 123.3 |
| 3900. | 37.31 | 170.1 | 137.5 | 127.0 |
| 4000. | 37.33 | 171.0 | 138.3 | 130.7 |
| 4100. | 37.35 | 171.9 | 139.1 | 134.5 |
| 4200. | 37.37 | 172.8 | 139.9 | 138.2 |
| 4300. | 37.38 | 173.7 | 140.7 | 141.9 |
| 4400. | 37.40 | 174.6 | 141.5 | 145.7 |
| 4500. | 37.41 | 175.4 | 142.2 | 149.4 |
| 4600. | 37.42 | 176.2 | 143.0 | 153.2 |
| 4700. | 37.44 | 177.1 | 143.7 | 156.9 |
| 4800. | 37.45 | 177.8 | 144.4 | 160.6 |
| 4900. | 37.46 | 178.6 | 145.1 | 164.4 |
| 5000. | 37.47 | 179.4 | 145.7 | 168.1 |
| 5100. | 37.48 | 180.1 | 146.4 | 171.9 |
| 5200. | 37.49 | 180.8 | 147.1 | 175.6 |
| 5300. | 37.50 | 181.6 | 147.7 | 179.4 |
| 5400. | 37.51 | 182.3 | 148.3 | 183.1 |
| 5500. | 37.52 | 182.9 | 149.0 | 186.9 |
| 5600. | 37.53 | 183.6 | 149.6 | 190.6 |
| 5700. | 37.54 | 184.3 | 150.2 | 194.4 |
| 5800. | 37.55 | 184.9 | 150.8 | 198.1 |
| 5900. | 37.56 | 185.6 | 151.4 | 201.9 |
| 6000. | 37.57 | 186.2 | 151.9 | 205.7 |
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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