Hydrochloric Acid and Calcium Hydroxide

2HCl + Ca(OH)2 → CaCl2 + 2H2O

개요

Hydrochloric acid reacts with calcium hydroxide (slaked lime) to form calcium chloride and water. Calcium hydroxide is a dibasic compound that requires two equivalents of HCl. This neutralization is widely used in water treatment and industrial acid waste handling.

참여 물질

역할 물질 계수 상태
반응물 Calcium Hydroxide Ca(OH)₂ 1 (s)
반응물 Hydrochloric Acid HCl 2 (aq)
생성물 Water H₂O 2 (l)

일상 속 예시

Road salt (calcium chloride) used for de-icing in winter can be produced by this neutralization reaction.

산업적 중요성

염화칼슘은 제설제, 콘크리트 조기 강도 발현 촉진제, 건조제, 식품 첨가물(응고제)로 사용됩니다. 산업 폐수의 산 중화 처리 공정에도 활용됩니다.

성질

유형
Acid-Base
가역 반응
아니오
에너지
발열
ΔH
-118.0 kJ/mol

관련 반응

Hydrochloric Acid and Barium Hydroxide Acetic Acid and Sodium Acetate Buffer System Acetic Acid Dissociation in Water Ammonia and Hydrochloric Acid Ascorbic Acid and Sodium Hydroxide Barium Hydroxide and Ammonium Thiocyanate (Endothermic) Carbonic Acid and Sodium Hydroxide Aluminum Hydroxide as Amphoteric Acid with NaOH Aluminum Chloride and Chloride Ion (Lewis Acid-Base) Formic Acid and Sodium Hydroxide

Frequently Asked Questions

What is the equation for Hydrochloric Acid and Calcium Hydroxide?
The balanced equation is: 2HCl + Ca(OH)₂ → CaCl₂ + 2H₂O.
What type of reaction is Hydrochloric Acid and Calcium Hydroxide?
Hydrochloric Acid and Calcium Hydroxide is a acid-base reaction.
Is Hydrochloric Acid and Calcium Hydroxide exothermic or endothermic?
Hydrochloric Acid and Calcium Hydroxide is exothermic (releases energy). The enthalpy change (ΔH) is -118.0 kJ/mol.