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chromium dioxide


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. - 1100.1100. - 6000.
A 27.9756057.85928
B 70.092040.190282
C -62.57674-0.038347
D 19.980980.002643
E -0.041121-2.578022
F -86.39416-99.71476
G 284.5681328.5921
H -75.31200-75.31200
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1973 Data last reviewed in December, 1973
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.43.37269.2269.2-0.01
300.43.45269.5269.20.08
400.47.02282.5271.04.61
500.49.71293.3274.49.45
600.51.70302.6278.314.53
700.53.15310.6282.419.78
800.54.17317.8286.425.15
900.54.89324.2290.230.60
1000.55.43330.1293.936.12
1100.55.92335.4297.541.68
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1100.55.90335.4297.541.69
1200.56.25340.2300.847.29
1300.56.52344.8304.052.93
1400.56.74348.9307.158.60
1500.56.92352.9310.064.28
1600.57.07356.5312.869.98
1700.57.19360.0315.575.69
1800.57.30363.3318.181.42
1900.57.39366.4320.587.15
2000.57.46369.3322.992.89
2100.57.53372.1325.298.64
2200.57.59374.8327.4104.4
2300.57.64377.4329.5110.2
2400.57.68379.8331.5115.9
2500.57.72382.2333.5121.7
2600.57.76384.4335.4127.5
2700.57.79386.6337.3133.2
2800.57.82388.7339.1139.0
2900.57.85390.8340.8144.8
3000.57.87392.7342.5150.6
3100.57.89394.6344.2156.4
3200.57.91396.5345.8162.2
3300.57.93398.2347.3168.0
3400.57.94400.0348.9173.8
3500.57.96401.7350.3179.6
3600.57.97403.3351.8185.4
3700.57.98404.9353.2191.2
3800.58.00406.4354.6197.0
3900.58.01407.9355.9202.8
4000.58.01409.4357.3208.6
4100.58.02410.8358.5214.4
4200.58.03412.2359.8220.2
4300.58.04413.6361.0226.0
4400.58.05414.9362.3231.8
4500.58.05416.2363.4237.6
4600.58.06417.5364.6243.4
4700.58.06418.8365.7249.2
4800.58.07420.0366.9255.0
4900.58.07421.2367.9260.8
5000.58.08422.3369.0266.6
5100.58.08423.5370.1272.4
5200.58.09424.6371.1278.2
5300.58.09425.7372.1284.0
5400.58.10426.8373.1289.8
5500.58.10427.9374.1295.6
5600.58.10428.9375.1301.5
5700.58.11430.0376.1307.3
5800.58.11431.0377.0313.1
5900.58.12432.0377.9318.9
6000.58.12432.9378.8324.7

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