Thermal Properties of Iridium and Radium
Specific Heat
0.13 J/(kg K)
  
39
0.12 J/(kg K)
  
40
Molar Heat Capacity
25.10 J/mol·K
  
99+
Not Available
  
Thermal Conductivity
147.00 W/m·K
  
10
18.60 W/m·K
  
99+
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
6.40 µm/(m·K)
  
99+
Not Available
  
Enthalpy
  
  
Enthalpy of Vaporization
799.10 kJ/mol
  
1
Not Available
  
Enthalpy of Fusion
35.23 kJ/mol
  
1
Not Available
  
Enthalpy of Atomization
837.00 kJ/mol
  
1
163.00 kJ/mol
  
99+
Standard Molar Entropy
35.50 J/mol.K
  
99+
71.00 J/mol.K
  
14