Thermal Properties of Promethium and Tungsten
Specific Heat
0.18 J/(kg K)
  
33
0.13 J/(kg K)
  
39
Molar Heat Capacity
Not Available
  
24.27 J/mol·K
  
99+
Thermal Conductivity
17.90 W/m·K
  
99+
173.00 W/m·K
  
7
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
9.00 µm/(m·K)
  
99+
4.50 µm/(m·K)
  
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
799.10 kJ/mol
  
1
Enthalpy of Fusion
7.50 kJ/mol
  
99+
35.23 kJ/mol
  
1
Enthalpy of Atomization
310.00 kJ/mol
  
34
837.00 kJ/mol
  
1
Standard Molar Entropy
Not Available
  
32.60 J/mol.K
  
99+