Calcium Oxide

CaO

IUPAC: Calcium oxide

CAS: 1305-78-8

Tổng quan

Calcium oxide (quicklime) is a white caustic substance produced by heating limestone. It reacts exothermically with water to form slaked lime.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Oxygen O 1 15,9990
Calcium Ca 1 40,0780

Thành phần nguyên tố

O
Oxygen ×1
28,5%
Ca
Calcium ×1
71,5%

Công dụng

  • • Cement production
  • • Steel manufacturing
  • • Water treatment
  • • Soil stabilization

Sự thật thú vị

  • ✦ Quicklime was used in ancient warfare — Roman ships catapulted it at enemy vessels

An toàn

  • ⚠ Corrosive
  • ⚠ Causes severe burns
  • ⚠ Exothermic reaction with water

Structure

SMILES

O=[Ca]

Tính chất

Loại
oxide
Trạng thái
solid
Khối lượng mol
56,08 g/mol
Mật độ
3,3400 g/cm³
Điểm nóng chảy
2613,0 °C
Điểm sôi
2850,0 °C
Độ hòa tan
Reacts

Molecular Descriptors

Exact Mass
55,9575
TPSA
17,1 Ų
H-Bond Donors
0
H-Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
2
Complexity
2,0

Hợp chất liên quan

Bismuth(III) Oxide

Bi₂O₃

Carbon Monoxide

CO

Chromium Trioxide

CrO₃

Cobalt(II) Oxide

CoO

Copper(I) Oxide

Cu₂O

Lithium Nickel Manganese Cobalt Oxide

LiNi₀.₃₃Mn₀.₃₃Co₀.₃₃O₂

Gallium(III) Oxide

Ga₂O₃

Aluminum Oxide

Al₂O₃

Antimony Trioxide

Sb₂O₃

Cadmium Oxide

CdO

Frequently Asked Questions

What is Calcium Oxide?
Calcium Oxide (CaO) is a oxide compound with the IUPAC name Calcium oxide.
What is the molecular weight of Calcium Oxide?
Calcium Oxide has a molar mass of 56.08 g/mol.
What state is Calcium Oxide at room temperature?
Calcium Oxide is a solid at room temperature.
Is Calcium Oxide organic or inorganic?
Calcium Oxide is classified as an inorganic compound.
What elements make up Calcium Oxide?
Calcium Oxide (CaO) is composed of Oxygen (O), Calcium (Ca).