Formation of Iron(III) Oxide

4Fe + 3O2 → 2Fe2O3

개요

Iron reacts with oxygen to form iron(III) oxide, commonly known as rust. This oxidation process occurs slowly in the presence of moisture and air. When iron burns in pure oxygen, the reaction is rapid and spectacular, producing bright sparks.

참여 물질

역할 물질 계수 상태
반응물 Oxygen O 3 (g)
반응물 Iron Fe 4 (s)
생성물 Iron(III) Oxide Fe₂O₃ 2 (s)

일상 속 예시

Rusting of iron nails, cars, and bridges left exposed to air and moisture is this reaction occurring slowly over time.

산업적 중요성

철의 부식(녹)은 산업계 연간 수조 원의 손실을 유발하며, 방식 기술 개발의 동기가 됩니다. Fe₂O₃는 안료, 자성 기록 매체, 촉매, 철강 제련 원료로 사용됩니다.

성질

유형
Synthesis
가역 반응
아니오
에너지
발열
ΔH
-1648.4 kJ/mol

관련 반응

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 Iron(III) Oxide?
The balanced equation is: 4Fe + 3O₂ → 2Fe₂O₃.
What type of reaction is Formation of Iron(III) Oxide?
Formation of Iron(III) Oxide is a synthesis reaction.
Is Formation of Iron(III) Oxide exothermic or endothermic?
Formation of Iron(III) Oxide is exothermic (releases energy). The enthalpy change (ΔH) is -1648.4 kJ/mol.