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