Thermal Properties of Protactinium and Magnesium
Specific Heat
0.12 J/(kg K)
  
40
1.02 J/(kg K)
  
4
Molar Heat Capacity
Not Available
  
24.87 J/mol·K
  
99+
Thermal Conductivity
47.00 W/m·K
  
32
156.00 W/m·K
  
8
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
9.90 µm/(m·K)
  
40
24.80 µm/(m·K)
  
15
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
128.70 kJ/mol
  
99+
Enthalpy of Fusion
12.34 kJ/mol
  
28
8.95 kJ/mol
  
39
Enthalpy of Atomization
Not Available
  
148.50 kJ/mol
  
99+
Standard Molar Entropy
198.10 J/mol.K
  
1
32.70 J/mol.K
  
99+