Thermal Properties of Actinium and Hafnium
Thermal Properties
Specific Heat
0.12 J/(kg K)
40
0.14 J/(kg K)
37
Molar Heat Capacity
27.20 J/mol·K
18
25.73 J/mol·K
36
Thermal Conductivity
12.00 W/m·K
99+
23.00 W/m·K
99+
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
5.90 µm/(m·K)
99+
Enthalpy
Enthalpy of Vaporization
Not Available
661.10 kJ/mol
5
Enthalpy of Fusion
Not Available
25.10 kJ/mol
8
Enthalpy of Atomization
301.00 kJ/mol
36
703.00 kJ/mol
5
Standard Molar Entropy
56.50 J/mol.K
25
43.60 J/mol.K
34
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