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Properties of substance:

nickel(II) bromide


Physical appearance:

crystals

Empirical formula (Hill's system):

Br2Ni

Structural formula:

NiBr2

Molar/atomic mass: 218.51

Sublimation point (°C):

919

Solubility (g/100 g of solvent):

acetone: 1.66 (0°C)
acetone: 0.81 (20°C)
acetone: 0.27 (50°C)
water: 113 (0°C)
water: 122 (10°C)
water: 131 (20°C)
water: 134 (25°C)
water: 138 (30°C)
water: 144 (40°C)
water: 150 (50°C)
water: 152 (60°C)
water: 154 (80°C)
water: 155 (100°C)
diethyl ether: soluble
methanol: 33 (10°C)
methanol: 35.1 (20°C)
methanol: 53.7 (60°C)
ethanol: soluble

Gigroscopic:

yes

Density:

4.6 (20°C, g/cm3)

Vapour pressure (Torr):

0.1 (587°C)
1 (653°C)
10 (730°C)
100 (822°C)

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

-214 (s)

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

-201 (s)

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

129 (s)

ΔHsublimation (kJ/mol):

224.6

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

20 (g)

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

317 (g)

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

59.4 (g)

    References:

    1. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 1337-1338
    2. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 87
    3. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 356
    4. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1011
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      © Collected Kiper Ruslan Anatolievich