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beryllium acetylide


Solid 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. - 700.700. - 2400.
A -223.5490-118.4450
B 1305.050287.4560
C -2270.970-135.3620
D 1386.18021.50990
E 3.80868018.37120
F -52.04400-17.71140
G -533.1850-135.6510
H -90.79280-90.79280
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1963 Data last reviewed in June, 1963
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.43.2616.3116.32-0.00
300.43.3216.6016.320.08
400.47.6429.6618.074.64
500.49.7440.5621.519.52
600.51.9349.7825.4814.58
700.60.4458.3029.5620.12
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
700.61.3258.3629.5520.17
800.64.6166.7533.6926.45
900.68.9874.6037.8033.12
1000.73.5382.1141.8640.25
1100.77.7889.3245.8547.82
1200.81.5196.2549.7655.79
1300.84.61102.953.5964.10
1400.87.08109.357.3572.69
1500.88.94115.361.0181.50
1600.90.24121.164.5990.46
1700.91.07126.668.0899.53
1800.91.52131.871.48108.7
1900.91.69136.874.79117.8
2000.91.69141.578.00127.0
2100.91.64146.081.14136.2
2200.91.64150.284.18145.3
2300.91.82154.387.14154.5
2400.92.31158.290.02163.7

References

Go To: Top, Solid 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, Solid Phase Heat Capacity (Shomate Equation), References