Thermal Properties of Polonium and Americium
Specific Heat
0.12 J/(kg K)
  
40
0.11 J/(kg K)
  
99+
Molar Heat Capacity
26.40 J/mol·K
  
28
62.70 J/mol·K
  
1
Thermal Conductivity
20.00 W/m·K
  
99+
10.00 W/m·K
  
99+
Critical Temperature
Not Available
  
Not Available
  
Thermal Expansion
23.50 µm/(m·K)
  
16
Not Available
  
Enthalpy
  
  
Enthalpy of Vaporization
60.30 kJ/mol
  
99+
Not Available
  
Enthalpy of Fusion
13.00 kJ/mol
  
26
14.39 kJ/mol
  
24
Enthalpy of Atomization
134.00 kJ/mol
  
99+
268.00 kJ/mol
  
40
Standard Molar Entropy
Not Available
  
Not Available