Thermal Properties of Protactinium and Iron
Specific Heat
0.12 J/(kg K)
  
40
0.44 J/(kg K)
  
13
Molar Heat Capacity
Not Available
  
25.10 J/mol·K
  
99+
Thermal Conductivity
47.00 W/m·K
  
32
80.40 W/m·K
  
22
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
9.90 µm/(m·K)
  
40
11.80 µm/(m·K)
  
33
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
351.00 kJ/mol
  
23
Enthalpy of Fusion
12.34 kJ/mol
  
28
14.90 kJ/mol
  
22
Enthalpy of Atomization
Not Available
  
414.20 kJ/mol
  
19
Standard Molar Entropy
198.10 J/mol.K
  
1
27.30 J/mol.K
  
99+