Thermal Properties of Promethium and Cerium
Thermal Properties
Specific Heat
0.18 J/(kg K)
33
0.19 J/(kg K)
32
Molar Heat Capacity
Not Available
26.94 J/mol·K
23
Thermal Conductivity
17.90 W/m·K
99+
11.30 W/m·K
99+
Critical Temperature
Not Available
Not Available
Thermal Expansion
9.00 µm/(m·K)
99+
6.30 µm/(m·K)
99+
Enthalpy
Enthalpy of Vaporization
Not Available
414.00 kJ/mol
16
Enthalpy of Fusion
7.50 kJ/mol
99+
5.46 kJ/mol
99+
Enthalpy of Atomization
310.00 kJ/mol
34
381.00 kJ/mol
23
Standard Molar Entropy
Not Available
72.00 J/mol.K
12
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