Formation of Calcium Oxide (Quicklime)

2Ca + O2 → 2CaO

Übersicht

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.

Teilnehmer

Rolle Substanz Koeffizient Zustand
Reaktant Oxygen O 1 (g)
Reaktant Calcium Ca 2 (s)
Produkt Calcium Oxide CaO 2 (s)

Alltägliches Beispiel

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

Industrielle Bedeutung

Calcium oxide is produced on a massive scale for steel manufacturing, cement production, water treatment, and as a chemical feedstock. Global production exceeds 350 million tonnes annually.

Eigenschaften

Typ
Synthesis
Reversibel
Nein
Energie
Exotherm
ΔH
-1270,2 kJ/mol

Verwandte Reaktionen

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.