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Properties of substance:

calcium chromate

Group of substances:

inorganic

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

CaCrO4

Structural formula as text:

CaCrO4

Molar/atomic mass: 156.072

Melting point (°C):

1022

Decomposition temperature (°C):

1022

Solubility (g/100 g of solvent):

ethanol: soluble [Ref.]
water: 2.3 (19°C) [Ref.]
water: 0.79 (70°C) [Ref.]
water: 0.42 (100°C) [Ref.]

    Dissociation:

    pKsp (0) = 1.64 (18°C, water)

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

    -1379 (s)

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

    -1277 (s)

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

    134 (s)

    References:

    1. Лидин Р.А., Андреева Л.Л., Молочко В.А. Константы неорганических веществ. - М.: Дрофа, 2006. - pp. 89 [Russian]
    2. Реми Г. Курс неорганической химии. - Т.2. - М., 1966. - pp. 172 [Russian]
    3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 250 [Russian]
    4. Химическая технология неорганических веществ. - Кн.2, под ред. Ахметова Т.Г. - М.: Высшая школа, 2002. - pp. 149-150 [Russian]
    5. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 320 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru