Calcium Hydroxide and Sulfuric Acid

Ca(OH)2 + H2SO4 → CaSO4 + 2H2O

개요

Calcium hydroxide reacts with sulfuric acid to form calcium sulfate and water. The product calcium sulfate is a sparingly soluble salt that partially precipitates. This reaction produces gypsum (calcium sulfate dihydrate), one of the most important construction materials.

참여 물질

역할 물질 계수 상태
반응물 Calcium Hydroxide Ca(OH)₂ 1 (s)
반응물 Sulfuric Acid H₂SO₄ 1 (aq)
생성물 Calcium Sulfate CaSO₄ 1 (s)
생성물 Water H₂O 2 (l)

일상 속 예시

Gypsum board (drywall) used in virtually every modern building is made from calcium sulfate, which can be produced by this type of reaction.

산업적 중요성

황산칼슘(석고)은 석고보드, 석고, 시멘트 지연제, 그리고 식품 첨가물로 사용됩니다. 배연탈황은 석회가 SO₂와 반응하여 부산물로 석고를 생성합니다.

성질

유형
Double Replacement
가역 반응
아니오
에너지
발열
ΔH
-109.0 kJ/mol

관련 반응

Iron(III) Chloride and Sodium Hydroxide Ammonia and Hydrochloric Acid (White Smoke) Calcium Carbonate and Hydrochloric Acid Calcium Chloride and Sodium Carbonate Barium Chloride and Sodium Sulfate Precipitation Calcium Hydroxide and Carbon Dioxide (Limewater Test) Sodium Hydroxide and Iron(III) Chloride (Rust Color) Sodium Hydroxide and Hydrochloric Acid Neutralization Potassium Hydroxide and Sulfuric Acid Aluminum Hydroxide and Hydrochloric Acid

Frequently Asked Questions

What is the equation for Calcium Hydroxide and Sulfuric Acid?
The balanced equation is: Ca(OH)₂ + H₂SO₄ → CaSO₄ + 2H₂O.
What type of reaction is Calcium Hydroxide and Sulfuric Acid?
Calcium Hydroxide and Sulfuric Acid is a double replacement reaction.
Is Calcium Hydroxide and Sulfuric Acid exothermic or endothermic?
Calcium Hydroxide and Sulfuric Acid is exothermic (releases energy). The enthalpy change (ΔH) is -109.0 kJ/mol.