Formation of Calcium Oxide (Quicklime)

2Ca + O2 → 2CaO

Обзор

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.

Участники

Роль Вещество Коэффициент Состояние
Реагент Oxygen O 1 (g)
Реагент Calcium Ca 2 (s)
Продукт Calcium Oxide CaO 2 (s)

Пример из жизни

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

Промышленное значение

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.

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.