Thermal Properties of Promethium and Manganese
Specific Heat
0.18 J/(kg K)
  
33
0.48 J/(kg K)
  
11
Molar Heat Capacity
Not Available
  
26.32 J/mol·K
  
29
Thermal Conductivity
17.90 W/m·K
  
99+
7.81 W/m·K
  
99+
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
9.00 µm/(m·K)
  
99+
21.70 µm/(m·K)
  
21
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
219.70 kJ/mol
  
99+
Enthalpy of Fusion
7.50 kJ/mol
  
99+
14.64 kJ/mol
  
23
Enthalpy of Atomization
310.00 kJ/mol
  
34
280.30 kJ/mol
  
38
Standard Molar Entropy
Not Available
  
32.00 J/mol.K
  
99+