Thermal Properties of Potassium and Protactinium
Specific Heat
0.75 J/(kg K)
  
6
0.12 J/(kg K)
  
40
Molar Heat Capacity
29.60 J/mol·K
  
6
Not Available
  
Thermal Conductivity
102.50 W/m·K
  
15
47.00 W/m·K
  
32
Critical Temperature
Not Available
  
Thermal Expansion
83.30 µm/(m·K)
  
3
9.90 µm/(m·K)
  
40
Enthalpy
  
  
Enthalpy of Vaporization
77.50 kJ/mol
  
99+
Not Available
  
Enthalpy of Fusion
2.32 kJ/mol
  
99+
12.34 kJ/mol
  
28
Enthalpy of Atomization
89.50 kJ/mol
  
99+
Not Available
  
Standard Molar Entropy
64.70 J/mol.K
  
18
198.10 J/mol.K
  
1