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Ethyne, chloro-


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. - 1400.1400. - 6000.
A 54.0045679.66587
B 31.273603.739003
C -12.19971-0.683887
D 1.8816030.043788
E -0.710548-9.923236
F 194.0301169.7369
G 294.5498312.5067
H 213.8024213.8024
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1968 Data last reviewed in December, 1968
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.54.29242.0242.0-0.01
300.54.44242.3242.00.1
400.60.24258.9244.25.86
500.63.98272.7248.612.08
600.66.81284.7253.618.63
700.69.11295.1258.825.43
800.71.07304.5263.932.44
900.72.76313.0268.939.63
1000.74.25320.7273.746.98
1100.75.56327.8278.354.48
1200.76.72334.5282.762.09
1300.77.76340.7286.969.82
1400.78.68346.5291.077.64
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1400.78.62346.4291.077.64
1500.79.47351.9294.985.54
1600.80.20357.1298.693.53
1700.80.83361.9302.2101.6
1800.81.37366.6305.6109.7
1900.81.85371.0309.0117.9
2000.82.28375.2312.2126.1
2100.82.66379.2315.3134.3
2200.83.00383.1318.3142.6
2300.83.30386.8321.2150.9
2400.83.58390.3324.0159.2
2500.83.84393.7326.7167.6
2600.84.07397.0329.3176.0
2700.84.28400.2331.9184.4
2800.84.47403.3334.4192.9
2900.84.65406.2336.8201.3
3000.84.81409.1339.2209.8
3100.84.96411.9341.5218.3
3200.85.09414.6343.7226.8
3300.85.22417.2345.9235.3
3400.85.34419.8348.0243.8
3500.85.44422.2350.1252.4
3600.85.54424.6352.2260.9
3700.85.63427.0354.2269.5
3800.85.71429.3356.1278.0
3900.85.79431.5358.0286.6
4000.85.86433.7359.9295.2
4100.85.93435.8361.7303.8
4200.85.99437.9363.5312.4
4300.86.04439.9365.2321.0
4400.86.09441.9367.0329.6
4500.86.14443.8368.6338.2
4600.86.19445.7370.3346.8
4700.86.23447.6371.9355.4
4800.86.27449.4373.5364.1
4900.86.31451.1375.1372.7
5000.86.34452.9376.6381.3
5100.86.37454.6378.1390.0
5200.86.41456.3379.6398.6
5300.86.44457.9381.1407.2
5400.86.47459.5382.5415.9
5500.86.50461.1383.9424.5
5600.86.53462.7385.3433.2
5700.86.56464.2386.7441.8
5800.86.59465.7388.1450.5
5900.86.63467.2389.4459.2
6000.86.66468.7390.7467.8

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