Hydrochloric Acid and Calcium Hydroxide

2HCl + Ca(OH)2 → CaCl2 + 2H2O

Tổng quan

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.

Người tham gia

Vai trò Chất Hệ số Trạng thái
Chất phản ứng Calcium Hydroxide Ca(OH)₂ 1 (s)
Chất phản ứng Hydrochloric Acid HCl 2 (aq)
Sản phẩm Water H₂O 2 (l)

Ví dụ thực tế

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

Tầm quan trọng công nghiệp

Calcium chloride is used for de-icing, dust control on unpaved roads, concrete acceleration, and as a desiccant. The lime-HCl neutralization is used in acid waste treatment.

Tính chất

Loại
Acid-Base
Thuận nghịch
Không
Năng lượng
Tỏa nhiệt
ΔH
-118,0 kJ/mol

Phản ứng liên quan

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.