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Thermal Properties of Promethium and Niobium


Thermal Properties of Niobium and Promethium


Thermal Properties

Specific Heat
0.18 J/(kg K)   
33
0.26 J/(kg K)   
20

Molar Heat Capacity
Not Available   
24.60 J/mol·K   
99+

Thermal Conductivity
17.90 W/m·K   
99+
53.70 W/m·K   
29

Critical Temperature
Not Available   
Not Available   

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

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
696.60 kJ/mol   
4

Enthalpy of Fusion
7.50 kJ/mol   
99+
27.20 kJ/mol   
6

Enthalpy of Atomization
310.00 kJ/mol   
34
745.00 kJ/mol   
4

Standard Molar Entropy
Not Available   
36.40 J/mol.K   
99+

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