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Thermal Properties of Niobium and Iridium


Thermal Properties of Iridium and Niobium


Thermal Properties

Specific Heat
0.26 J/(kg K)   
20
0.13 J/(kg K)   
39

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

Thermal Conductivity
53.70 W/m·K   
29
147.00 W/m·K   
10

Critical Temperature
Not Available   
Not Available   

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

Enthalpy
  
  

Enthalpy of Vaporization
696.60 kJ/mol   
4
799.10 kJ/mol   
1

Enthalpy of Fusion
27.20 kJ/mol   
6
35.23 kJ/mol   
1

Enthalpy of Atomization
745.00 kJ/mol   
4
837.00 kJ/mol   
1

Standard Molar Entropy
36.40 J/mol.K   
99+
35.50 J/mol.K   
99+

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