Thermal Properties of Protactinium and Ruthenium
Specific Heat
0.12 J/(kg K)
  
40
0.24 J/(kg K)
  
24
Molar Heat Capacity
Not Available
  
24.06 J/mol·K
  
99+
Thermal Conductivity
47.00 W/m·K
  
32
117.00 W/m·K
  
13
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
9.90 µm/(m·K)
  
40
6.40 µm/(m·K)
  
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
567.80 kJ/mol
  
10
Enthalpy of Fusion
12.34 kJ/mol
  
28
25.50 kJ/mol
  
7
Enthalpy of Atomization
Not Available
  
603.00 kJ/mol
  
9
Standard Molar Entropy
198.10 J/mol.K
  
1
28.50 J/mol.K
  
99+