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Thermal Properties of Tantalum and Niobium


Thermal Properties of Niobium and Tantalum


Thermal Properties

Specific Heat
0.14 J/(kg K)   
37
0.26 J/(kg K)   
20

Molar Heat Capacity
25.36 J/mol·K   
99+
24.60 J/mol·K   
99+

Thermal Conductivity
57.50 W/m·K   
27
53.70 W/m·K   
29

Critical Temperature
Not Available   
Not Available   

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

Enthalpy
  
  

Enthalpy of Vaporization
753.10 kJ/mol   
2
696.60 kJ/mol   
4

Enthalpy of Fusion
31.40 kJ/mol   
3
27.20 kJ/mol   
6

Enthalpy of Atomization
782.00 kJ/mol   
3
745.00 kJ/mol   
4

Standard Molar Entropy
41.50 J/mol.K   
37
36.40 J/mol.K   
99+

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