Formation of Calcium Oxide (Quicklime)

2Ca + O2 → 2CaO

Visão geral

Calcium metal reacts with oxygen to form calcium oxide, also known as quicklime. This highly exothermic reaction produces a brilliant white light, historically used in limelight theater lighting. Calcium is a reactive alkaline earth metal that readily oxidizes.

Participantes

Papel Substância Coeficiente Estado
Reagente Oxygen O 1 (g)
Reagente Calcium Ca 2 (s)
Produto Calcium Oxide CaO 2 (s)

Exemplo do cotidiano

Quicklime is used in construction as a component of morite and cement, and in agriculture to raise soil pH.

Importância industrial

O óxido de cálcio é produzido em grande escala para o fabrico de aço, cimento e produção de cal. É um dos produtos químicos industriais mais baratos e mais amplamente utilizados, com produção global de mais de 300 milhões de toneladas anuais.

Propriedades

Tipo
Synthesis
Reversível
Não
Energia
Exotérmico
ΔH
-1270,2 kJ/mol

Reações relacionadas

Formation of Calcium Hydroxide Formation of Carbon Monoxide Formation of Nitrogen Dioxide Formation of Potassium Chloride Formation of Sodium Bicarbonate Formation of Sodium Peroxide Formation of Silicon Dioxide Formation of Tungsten Carbide Formation of Copper(II) Sulfide Fischer-Tropsch Synthesis (General)

Frequently Asked Questions

What is the equation for Formation of Calcium Oxide (Quicklime)?
The balanced equation is: 2Ca + O₂ → 2CaO.
What type of reaction is Formation of Calcium Oxide (Quicklime)?
Formation of Calcium Oxide (Quicklime) is a synthesis reaction.
Is Formation of Calcium Oxide (Quicklime) exothermic or endothermic?
Formation of Calcium Oxide (Quicklime) is exothermic (releases energy). The enthalpy change (ΔH) is -1270.2 kJ/mol.