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Properties of substance:

bismuth telluride

Group of substances:

inorganic

Physical appearance:

gray hexagonal crystals

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

Bi2Te3

Structural formula as text:

Bi2Te3

Molar/atomic mass: 800.76

Melting point (°C):

586

Boiling point (°C):

1172

Solubility (g/100 g of solvent):

water: insoluble [Ref.]

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

-78.6 (s)

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

251 (s)

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

124 (s)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

118.6

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 4-52
  2. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 514-515
  3. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 108-109 [Russian]
  4. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 473 [Russian]
  5. Чижиков Д.М., Счастливый В.П. Теллур и теллуриды. - М.: Наука, 1966. - pp. 216-227 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru