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Properties of substance:

silver fluoride


Physical appearance:

cubic crystals

Empirical formula (Hill's system):

AgF

Structural formula:

AgF

Molar/atomic mass: 126.87

Melting point (°C):

435

Solubility (g/100 g of solvent):

water: 85.8 (0°C)
water: 119.8 (10°C)
water: 172 (20°C)
water: 179.6 (25°C)
water: 190.1 (30°C)
water: 216 (50°C)
methanol: 1.9
bromine trifluoride: 3.33 (25°C)
bromine trifluoride: 4.25 (70°C)
hydrogen fluoride : 27.2 (-25°C)
hydrogen fluoride : 32 (-15°C)
hydrogen fluoride : 43.8 (-9.8°C)
hydrogen fluoride : 83.2 (11.9°C)
ethanol: sparingly soluble

Gigroscopic:

yes

Properties:

Bond distances (in pm): 198.32

Density:

5.852 (15°C, g/cm3)

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

    -206 (s)

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

    -187.9 (s)

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

    83.7 (s)

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

    48.1 (s)

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

    17

    Enthalpy (heat) of vaporization ΔvapH (kJ/mol):

    185

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

    7.1 (g)

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

    235.6 (g)

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

    34.4 (g)

    References:

    1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 55
    2. Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 259
    3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 99
    4. Рысс И.Г. Химия фтора и его неорганических соединений. - М., 1956. - pp. 563-566
    5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 197, 716
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru