Formation of Calcium Oxide (Quicklime)

2Ca + O2 → 2CaO

Tổng quan

Calcium metal reacts with oxygen to form calcium oxide, also known as quicklime. This highly exothermic reaction produces a brilliant white light, historically used in limelight theater lighting. Calcium is a reactive alkaline earth metal that readily oxidizes.

Người tham gia

Vai trò Chất Hệ số Trạng thái
Chất phản ứng Oxygen O 1 (g)
Chất phản ứng Calcium Ca 2 (s)
Sản phẩm Calcium Oxide CaO 2 (s)

Ví dụ thực tế

Quicklime is used in construction as a component of morite and cement, and in agriculture to raise soil pH.

Tầm quan trọng công nghiệp

Calcium oxide is produced on a massive scale for steel manufacturing, cement production, water treatment, and as a chemical feedstock. Global production exceeds 350 million tonnes annually.

Tính chất

Loại
Synthesis
Thuận nghịch
Không
Năng lượng
Tỏa nhiệt
ΔH
-1270,2 kJ/mol

Phản ứng liên quan

Formation of Calcium Hydroxide Formation of Carbon Monoxide Formation of Nitrogen Dioxide Formation of Potassium Chloride Formation of Sodium Bicarbonate Formation of Sodium Peroxide Formation of Silicon Dioxide Formation of Tungsten Carbide Formation of Copper(II) Sulfide Fischer-Tropsch Synthesis (General)

Frequently Asked Questions

What is the equation for Formation of Calcium Oxide (Quicklime)?
The balanced equation is: 2Ca + O₂ → 2CaO.
What type of reaction is Formation of Calcium Oxide (Quicklime)?
Formation of Calcium Oxide (Quicklime) is a synthesis reaction.
Is Formation of Calcium Oxide (Quicklime) exothermic or endothermic?
Formation of Calcium Oxide (Quicklime) is exothermic (releases energy). The enthalpy change (ΔH) is -1270.2 kJ/mol.