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Ruthenium
Ruthenium

Tantalum
Tantalum



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Ruthenium
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Tantalum

Thermal Properties of Ruthenium and Tantalum

Thermal

Specific Heat

0.24 J/(kg K)0.14 J/(kg K)
0.1 3.6
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Molar Heat Capacity

24.06 J/mol·K25.36 J/mol·K
13.1 62.7
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Thermal Conductivity

117.00 W/m·K57.50 W/m·K
0 429
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Critical Temperature

2,607.00 K3,290.00 K
26.3 3695
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Thermal Expansion

6.40 µm/(m·K)6.30 µm/(m·K)
4.5 97
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Enthalpy

Enthalpy of Vaporization

567.80 kJ/mol753.10 kJ/mol
7.32 799.1
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Enthalpy of Fusion

25.50 kJ/mol31.40 kJ/mol
2.1 35.23
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Enthalpy of Atomization

603.00 kJ/mol782.00 kJ/mol
61.5 837
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Standard Molar Entropy

28.50 J/mol.K41.50 J/mol.K
9.5 198.1
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