Thermal Properties of Protactinium and Yttrium
Specific Heat
0.12 J/(kg K)
  
40
0.30 J/(kg K)
  
18
Molar Heat Capacity
Not Available
  
26.53 J/mol·K
  
27
Thermal Conductivity
47.00 W/m·K
  
32
17.20 W/m·K
  
99+
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
9.90 µm/(m·K)
  
40
10.60 µm/(m·K)
  
37
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
393.00 kJ/mol
  
18
Enthalpy of Fusion
12.34 kJ/mol
  
28
17.15 kJ/mol
  
16
Enthalpy of Atomization
Not Available
  
418.00 kJ/mol
  
18
Standard Molar Entropy
198.10 J/mol.K
  
1
44.40 J/mol.K
  
33