Thermal Properties of Promethium and Zirconium
Specific Heat
0.18 J/(kg K)
  
33
0.27 J/(kg K)
  
19
Molar Heat Capacity
Not Available
  
25.36 J/mol·K
  
99+
Thermal Conductivity
17.90 W/m·K
  
99+
22.60 W/m·K
  
99+
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
9.00 µm/(m·K)
  
99+
5.70 µm/(m·K)
  
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available
  
581.60 kJ/mol
  
9
Enthalpy of Fusion
7.50 kJ/mol
  
99+
20.90 kJ/mol
  
11
Enthalpy of Atomization
310.00 kJ/mol
  
34
598.00 kJ/mol
  
10
Standard Molar Entropy
Not Available
  
39.00 J/mol.K
  
39