Hydrochloric Acid and Calcium Hydroxide

2HCl + Ca(OH)2 → CaCl2 + 2H2O

概要

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.

参加者

役割 物質 係数 状態
反応物 Calcium Hydroxide Ca(OH)₂ 1 (s)
反応物 Hydrochloric Acid HCl 2 (aq)
生成物 Water H₂O 2 (l)

日常の例

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

産業上の重要性

塩化カルシウムは道路の凍結防止、未舗装道路の防塵、コンクリートの硬化促進、食品工業（豆腐・チーズ製造）の凝固剤として利用される。

特性

タイプ
Acid-Base
可逆的
いいえ
エネルギー
発熱性
ΔH
-118.0 kJ/mol

関連する反応

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.