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Ammonia-d3


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. - 1300.1300. - 6000.
A 4.42708915.68700
B 16.688302.872300
C -6.677680-0.623046
D 0.8916670.041960
E 0.026917-2.782230
F -15.91420-24.86621
G 49.5630059.24431
H -14.00000-14.00000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1977 Data last reviewed in June, 1977
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
298.9.1348.7448.74-0.00
300.9.1648.8048.740.02
400.10.2651.5849.110.99
500.11.3253.9949.852.07
600.12.3056.1450.723.25
700.13.2058.1051.644.52
800.14.0059.9252.565.89
900.14.7261.6153.487.32
1000.15.3663.2054.378.83
1100.15.9164.6955.2410.39
1200.16.4066.0956.0912.01
1300.16.8167.4256.9113.67
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1300.16.8167.4256.9113.67
1400.17.1868.6857.7015.37
1500.17.5069.8858.4817.10
1600.17.7771.0259.2218.87
1700.18.0172.1059.9520.66
1800.18.2273.1460.6522.47
1900.18.4174.1361.3424.30
2000.18.5875.0862.0026.15
2100.18.7375.9962.6528.02
2200.18.8676.8663.2729.90
2300.18.9877.7063.8831.79
2400.19.0978.5164.4733.69
2500.19.1879.2965.0535.60
2600.19.2780.0565.6137.53
2700.19.3480.7866.1639.46
2800.19.4181.4866.7041.40
2900.19.4782.1667.2243.34
3000.19.5282.8267.7345.29
3100.19.5683.4668.2247.24
3200.19.6084.0968.7149.20
3300.19.6384.6969.1951.16
3400.19.6685.2869.6553.13
3500.19.6885.8570.1055.10
3600.19.7086.4070.5557.06
3700.19.7186.9470.9959.03
3800.19.7187.4771.4161.01
3900.19.7287.9871.8362.98
4000.19.7288.4872.2464.95
4100.19.7288.9672.6466.92
4200.19.7189.4473.0468.89
4300.19.7089.9073.4270.86
4400.19.6990.3673.8072.83
4500.19.6890.8074.1874.80
4600.19.6791.2374.5476.77
4700.19.6591.6574.9078.74
4800.19.6492.0775.2680.70
4900.19.6292.4775.6082.66
5000.19.6192.8775.9484.63
5100.19.5993.2676.2886.58
5200.19.5793.6476.6188.54
5300.19.5694.0176.9390.50
5400.19.5494.3877.2592.45
5500.19.5394.7377.5794.41
5600.19.5195.0977.8896.36
5700.19.5095.4378.1898.31
5800.19.4995.7778.48100.3
5900.19.4896.1078.78102.2
6000.19.4896.4379.07104.2

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