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Thermal Properties of Protactinium and Promethium


Thermal Properties of Promethium and Protactinium


Thermal Properties

Specific Heat
0.12 J/(kg K)   
40
0.18 J/(kg K)   
33

Molar Heat Capacity
Not Available   
Not Available   

Thermal Conductivity
47.00 W/m·K   
32
17.90 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
9.90 µm/(m·K)   
40
9.00 µm/(m·K)   
99+

Enthalpy
  
  

Enthalpy of Fusion
12.34 kJ/mol   
28
7.50 kJ/mol   
99+

Enthalpy of Atomization
Not Available   
310.00 kJ/mol   
34

Standard Molar Entropy
198.10 J/mol.K   
1
Not Available   

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