Calcium Oxide

CaO

IUPAC: Calcium oxide

CAS: 1305-78-8

Visão geral

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

Composição

Elemento Símbolo Átomos Massa atômica
Oxygen O 1 15,9990
Calcium Ca 1 40,0780

Composição elemental

O
28,5%
Ca
71,5%

Usos

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

Curiosidades

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

Segurança

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

Structure

SMILES

O=[Ca]

Propriedades

Tipo
oxide
Estado
solid
Massa molar
56,08 g/mol
Densidade
3,3400 g/cm³
Ponto de fusão
2613,0 °C
Ponto de ebulição
2850,0 °C
Solubilidade
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

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).