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