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Properties of substance:

yttrium

Group of substances:

inorganic

Physical appearance:

gray hexagonal metal

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

Y

Structural formula as text:

Y

Molar/atomic mass: 88.91

Melting point (°C):

1528

Boiling point (°C):

3300

Solubility (g/100 g of solvent):

gallium: 1.1 (500°C) [Ref.]

Numerical data:

Year of discovery: 1794

Density:

4.48 (20°C, g/cm3)

Vapour pressure (Torr):

0.01 (1652°C)
0.1 (1847°C)
1 (2080°C)
10 (2470°C)
100 (2830°C)

Electrode potential:

Y3+ + 3e- → Y, E = -2.372 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)):

46 (s)

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

25.1 (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. 66 [Russian]
  3. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 277-278 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru