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Properties of substance:

sodium dichromate



skc-file

Group of substances:

inorganic

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

Cr2Na2O7

Structural formula as text:

Na2Cr2O7

Molar/atomic mass: 261.97

Melting point (°C):

357

Decomposition temperature (°C):

400

Solubility (g/100 g of solvent):

ammonia liquid : 0.05 (-10°C) [Ref.]
ethanol: soluble [Ref.]
water: 163.16 (0°C) [Ref.]
water: 180 (20°C) [Ref.]
water: 189.9 (25°C) [Ref.]
water: 405 (90°C) [Ref.]
water: 433 (98°C) [Ref.]

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

    -1983 (s)

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

    250 (s)

    References:

    1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1254-1257
    2. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 372 [Russian]
    3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 86 [Russian]
    4. Реми Г. Курс неорганической химии. - Т.2. - М., 1966. - pp. 174 [Russian]
    5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 132 [Russian]
    6. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 362 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru