metaboric acid


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) 298. to 1200.1200. to 6000.
A 4.63655217.01810
B 21.632201.452560
C -13.97080-0.274753
D 3.5810210.018097
E 0.013596-2.522300
F -136.1820-144.6670
G 57.1245970.39221
H -134.0000-134.0000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1964 Data last reviewed in December, 1964
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.10.0957.2957.30-0.00
300.10.1257.3657.300.02
400.11.3760.4557.711.09
500.12.4663.1058.532.29
600.13.4065.4659.493.58
700.14.1967.5960.504.96
800.14.8669.5361.516.41
900.15.4271.3162.507.93
1000.15.8972.9663.469.50
1100.16.3074.4964.4011.11
1200.16.6775.9365.3012.75
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1200.16.6575.9365.3012.75
1300.16.9977.2766.1714.44
1400.17.2878.5467.0116.15
1500.17.5279.7467.8217.89
1600.17.7380.8868.6019.65
1700.17.9181.9669.3521.43
1800.18.0782.9970.0823.23
1900.18.2183.9770.7925.05
2000.18.3484.9171.4726.88
2100.18.4585.8072.1328.71
2200.18.5686.6772.7730.57
2300.18.6587.4973.3932.43
2400.18.7388.2974.0034.29
2500.18.8189.0574.5936.17
2600.18.8889.7975.1638.06
2700.18.9590.5175.7139.95
2800.19.0191.2076.2541.85
2900.19.0691.8776.7843.75
3000.19.1192.5177.2945.66
3100.19.1693.1477.7947.57
3200.19.2093.7578.2849.49
3300.19.2494.3478.7651.41
3400.19.2794.9279.2353.34
3500.19.3195.4779.6855.27
3600.19.3496.0280.1357.20
3700.19.3696.5580.5759.13
3800.19.3997.0780.9961.07
3900.19.4197.5781.4163.01
4000.19.4398.0681.8264.95
4100.19.4598.5482.2366.90
4200.19.4799.0182.6268.84
4300.19.4999.4783.0170.79
4400.19.5099.9283.3872.74
4500.19.52100.483.7674.69
4600.19.53100.884.1276.64
4700.19.54101.284.4878.60
4800.19.55101.684.8380.55
4900.19.56102.085.1882.51
5000.19.57102.485.5284.46
5100.19.58102.885.8686.42
5200.19.59103.286.1988.38
5300.19.60103.686.5190.34
5400.19.61103.986.8392.30
5500.19.62104.387.1494.26
5600.19.63104.687.4596.23
5700.19.64105.087.7698.19
5800.19.66105.388.06100.2
5900.19.67105.788.35102.1
6000.19.68106.088.64104.1

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