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Properties of substance:

dysprosium

Group of substances:

inorganic

Physical appearance:

gray hexagonal metal

Empirical formula (Hill's system for organic substances):

Dy

Structural formula as text:

Dy

Molar/atomic mass: 162.5

Melting point (°C):

1409

Boiling point (°C):

2600

Solubility (g/100 g of solvent):

water: reaction [Ref.]

Numerical data:

Year of discovery: 1886

Density:

8.56 (20°C, g/cm3)

    Electrode potential:

    Dy3+ + 3e- → Dy, E = -2.353 V (water, 25°C)
    Dy4+ + e- → Dy3+, E = 5.4 V (water, 25°C)

    Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

    0 (s)

    Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):

    0 (s)

    Standard molar entropy S0 (298.15 K, J/(mol·K)):

    74.9 (s)

    Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

    28 (s)

    References:

    1. Гурвич Я.А. Справочник молодого аппаратчика-химика. - М.: Химия, 1991. - pp. 50 [Russian]
    2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 62 [Russian]
    3. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 82-83 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru