Thermal Properties of Promethium and Thallium
Thermal Properties
Specific Heat
0.18 J/(kg K)
33
0.13 J/(kg K)
39
Molar Heat Capacity
Not Available
26.32 J/mol·K
29
Thermal Conductivity
17.90 W/m·K
99+
46.10 W/m·K
33
Critical Temperature
Not Available
Not Available
Thermal Expansion
9.00 µm/(m·K)
99+
29.90 µm/(m·K)
12
Enthalpy
Enthalpy of Vaporization
Not Available
162.10 kJ/mol
99+
Enthalpy of Fusion
7.50 kJ/mol
99+
4.27 kJ/mol
99+
Enthalpy of Atomization
310.00 kJ/mol
34
179.90 kJ/mol
99+
Standard Molar Entropy
Not Available
64.20 J/mol.K
19
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