Formation of Calcium Hydroxide

CaO + H2O → Ca(OH)2

Genel Bakış

Calcium oxide (quicklime) reacts exothermically with water to form calcium hydroxide (slaked lime). This reaction generates considerable heat and can cause water to boil. It is one of the oldest known chemical reactions, used in construction for millennia.

Katılımcılar

Rol Madde Katsayı Hal
Reaktan Calcium Oxide CaO 1 (s)
Reaktan Water H₂O 1 (l)
Ürün Calcium Hydroxide Ca(OH)₂ 1 (s)

Günlük Örnek

Self-heating food cans and chemical heating packs sometimes use this reaction between quicklime and water to generate heat.

Endüstriyel Önemi

Calcium hydroxide is used in water treatment, paper manufacturing, sugar refining, and as a component in mortar and plaster. Essential for pH adjustment in many industrial processes.

Frequently Asked Questions

What is the equation for Formation of Calcium Hydroxide?
The balanced equation is: CaO + H₂O → Ca(OH)₂.
What type of reaction is Formation of Calcium Hydroxide?
Formation of Calcium Hydroxide is a synthesis reaction.
Is Formation of Calcium Hydroxide exothermic or endothermic?
Formation of Calcium Hydroxide is exothermic (releases energy). The enthalpy change (ΔH) is -65.2 kJ/mol.