Thermal Properties of Samarium and Protactinium
Specific Heat
0.20 J/(kg K)
  
31
0.12 J/(kg K)
  
40
Molar Heat Capacity
29.54 J/mol·K
  
7
Not Available
  
Thermal Conductivity
13.30 W/m·K
  
99+
47.00 W/m·K
  
32
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
12.70 µm/(m·K)
  
30
9.90 µm/(m·K)
  
40
Enthalpy
  
  
Enthalpy of Vaporization
166.40 kJ/mol
  
99+
Not Available
  
Enthalpy of Fusion
8.62 kJ/mol
  
40
12.34 kJ/mol
  
28
Enthalpy of Atomization
209.00 kJ/mol
  
99+
Not Available
  
Standard Molar Entropy
69.60 J/mol.K
  
15
198.10 J/mol.K
  
1