Tantalum

Thermodynamic properties


ΔfH°gas (kJ/mol): 782.0 (monoatomic) [4]
ΔfH°solid (kJ/mol): 0.0 [4]
ΔfH°fusion (kJ/mol): 24.7 [1]
36.57 [4]
ΔfH°vaporization (kJ/mol): 758.2 [1]
S°gas (J/mol·K): 185.2 [4]
S°solid (J/mol·K): 41.5 [4]
ΔfG°gas (kJ/mol): 739.3 [4]
ΔfG°solid (kJ/mol): 20.9 (25 °C) [4]
Cp (solid) (J/mol·K): 24.8413 (20 °C) [2]
25.36 (25 °C) [4]
26.6590 (100 °C) [2]
27.1891 (500 °C) [2]
30.0670 (1500 °C) [2]
42.1091 (2500 °C) [2]
Coeff. of linear thermal expansion (106 K-1): 6.5 (20 °C) [2]
6.3 (25 °C) [4]
6.5 (100 °C) [2]
6.6 (500 °C) [2]