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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 (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 1300.1300. - 6000.
A 18.5229465.63441
B 69.8238512.01770
C -27.93941-2.606825
D 3.7307360.175562
E 0.112619-11.64085
F -66.58501-104.0402
G 207.3716247.8782
H -58.57600-58.57600
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1977 Data last reviewed in June, 1977
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.38.22203.9203.9-0.01
300.38.31204.2203.90.07
400.42.92215.8205.54.13
500.47.37225.9208.68.65
600.51.48234.9212.213.59
700.55.22243.1216.118.93
800.58.59250.7219.924.63
900.61.59257.8223.730.64
1000.64.25264.4227.536.93
1100.66.58270.6231.143.48
1200.68.60276.5234.750.24
1300.70.34282.1238.157.19
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1300.70.35282.1238.157.19
1400.71.89287.4241.464.30
1500.73.21292.4244.771.56
1600.74.36297.1247.878.94
1700.75.37301.7250.886.42
1800.76.25306.0253.894.01
1900.77.04310.1256.6101.7
2000.77.74314.1259.4109.4
2100.78.36317.9262.1117.2
2200.78.92321.6264.7125.1
2300.79.42325.1267.3133.0
2400.79.87328.5269.8141.0
2500.80.27331.8272.2149.0
2600.80.62334.9274.5157.0
2700.80.94338.0276.8165.1
2800.81.22340.9279.1173.2
2900.81.46343.8281.2181.3
3000.81.67346.5283.4189.5
3100.81.86349.2285.5197.7
3200.82.01351.8287.5205.9
3300.82.14354.3289.5214.1
3400.82.25356.8291.4222.3
3500.82.34359.2293.3230.5
3600.82.41361.5295.2238.8
3700.82.45363.8297.0247.0
3800.82.49366.0298.8255.2
3900.82.50368.1300.5263.5
4000.82.50370.2302.3271.7
4100.82.49372.2303.9280.0
4200.82.47374.2305.6288.2
4300.82.44376.2307.2296.5
4400.82.40378.1308.8304.7
4500.82.35379.9310.4313.0
4600.82.29381.7311.9321.2
4700.82.23383.5313.4329.4
4800.82.17385.2314.9337.7
4900.82.10386.9316.3345.9
5000.82.03388.6317.7354.1
5100.81.96390.2319.2362.3
5200.81.89391.8320.5370.5
5300.81.83393.3321.9378.6
5400.81.76394.9323.2386.8
5500.81.70396.4324.5395.0
5600.81.64397.8325.8403.2
5700.81.59399.3327.1411.3
5800.81.55400.7328.4419.5
5900.81.52402.1329.6427.6
6000.81.49403.5330.8435.8

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