Main page (Russian)
Search in database (English)
Properties of substance:
copper(II) oxide
Group of substances:
inorganic
Physical appearance:
black monoclinic crystals
Empirical formula (Hill's system for organic substances):
CuO
Structural formula as text:
CuO
Molar/atomic mass: 79.55
Decomposition temperature (°C):
800
Solubility (g/100 g of solvent):
boron oxide molten
: 0.3 (900°C) [
Ref.
]
water
: insoluble [
Ref.
]
Density:
6.45 (20°C, g/cm
3
)
Reactions:
[
Ref.1
]
CuO + H
2
→ Cu + H
2
O
[
Ref.1
]
CuO + 4NH
3
+ H
2
O → [Cu(NH
3
)
4
](OH)
2
[
Ref.1
]
4CuO → 2Cu
2
O + O
2
Standard molar enthalpy (heat) of formation Δ
f
H
0
(298.15 K, kJ/mol):
-162 (s)
Standard molar Gibbs energy of formation Δ
f
G
0
(298.15 K, kJ/mol):
-129.4 (s)
Standard molar entropy S
0
(298.15 K, J/(mol·K)):
42.63 (s)
Molar heat capacity at constant pressure C
p
(298.15 K, J/(mol·K)):
42.3 (s)
LD
50
(mg/kg):
470 (rats, oral)
273 (mice, intraperitoneal)
References:
Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 494
Вредные химические вещества: Неорганические соединения элементов I-IV групп. Справочник. - Л.: Химия, 1988. - pp. 67 [Russian]
Некрасов Б.В. Основы общей химии. - Т.2. - М.: Химия, 1973. - pp. 270 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 80 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 124-125 [Russian]
What information do you need?
© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru