Protactinium

Lead

Thermal Properties of Protactinium and Lead

Protactinium

Lead

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Thermal

Specific Heat

0.12 J/(kg K)0.13 J/(kg K)

0.1 3.6

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Molar Heat Capacity

27.20 J/mol·K26.65 J/mol·K

13.1 62.7

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Thermal Conductivity

47.00 W/m·K35.30 W/m·K

0 429

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Critical Temperature

1,841.00 K600.61 K

26.3 3695

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Thermal Expansion

9.90 µm/(m·K)28.90 µm/(m·K)

4.5 97

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Enthalpy

Enthalpy of Vaporization

481.00 kJ/mol179.40 kJ/mol

7.32 799.1

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Enthalpy of Fusion

12.34 kJ/mol4.77 kJ/mol

2.1 35.23

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Enthalpy of Atomization

481.90 kJ/mol194.60 kJ/mol

61.5 837

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Standard Molar Entropy

198.10 J/mol.K64.80 J/mol.K

9.5 198.1

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