Group of substances:

Physical appearance:

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

Structural formula as text:

Molar/atomic mass: 261.97

Melting point (°C):

Decomposition temperature (°C):

Solubility (g/100 g of solvent):

Not numerical data:

Density:

Reactions of synthesis:

1. Yeild 83%. [Ref.1]
   2Na₂CrO₄ + 2CO₂ + H₂O → Na₂Cr₂O₇ + 2NaHCO₃
   

Reactions:

1. [Ref.1, Ref.2, Ref.3]
   4Na₂Cr₂O₇ → 4Na₂CrO₄ + 2Cr₂O₃ + 3O₂
   
2. [Ref.1]
   Na₂Cr₂O₇ + 2KCl → 2NaCl + K₂Cr₂O₇
   
3. [Ref.1, Ref.2, Ref.3]
   Na₂Cr₂O₇ + 2H₂SO₄ → 2CrO₃ + 2NaHSO₄ + H₂O
   

Standard molar enthalpy (heat) of formation Δ_fH⁰ (298.15 K, kJ/mol):

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

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. Химическая технология неорганических веществ. - Кн.2, под ред. Ахметова Т.Г. - М.: Высшая школа, 2002. - pp. 161-163 [Russian]
   
7. 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