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Properties of substance:
silver chromate
Group of substances:
inorganic
Physical appearance:
red monoclinic crystals
Empirical formula (Hill's system for organic substances):
Ag
2
CrO
4
Structural formula as text:
Ag2CrO4
Molar/atomic mass: 331.73
Melting point (°C):
938
Solubility (g/100 g of solvent):
water
: 0.0014 (0°C) [
Ref.
]
water
: 0.002 (25°C) [
Ref.
]
water
: 0.008 (70°C) [
Ref.
]
Density:
5.625 (20°C, g/cm
3
)
Dissociation:
pK
sp
(0) = 11.4 (20°C, water)
Standard molar enthalpy (heat) of formation Δ
f
H (298 K, kJ/mol)
-731.782 (s) [
Ref.
]
Standard molar Gibbs energy of formation Δ
f
G (298 K, kJ/mol)
-641.824 (s) [
Ref.
]
Standard molar entropy S (298 K, J/(mol·K))
217.568 (s) [
Ref.
]
Molar heat capacity at constant pressure C
p
(298 K, J/(mol·K))
142.148 (s) [
Ref.
]
References:
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 53-54
Неорганические соединения хрома: Справочник. - Л.: Химия, 1981. - pp. 122 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 18, 201 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 208-209 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru