Aluminum Reducing Chromium Oxide (Aluminothermic)

2Al + Cr2O3 → Al2O3 + 2Cr

概要

Aluminum reduces chromium(III) oxide in an aluminothermic reaction similar to the iron thermite reaction. The reaction produces aluminum oxide and chromium metal at extremely high temperatures. This is one method for producing chromium metal.

参加者

役割 物質 係数 状態
反応物 Aluminum Al 2 (s)
生成物 Aluminum Oxide Al₂O₃ 1 (s)
生成物 Chromium Cr 2 (l)

日常の例

This type of aluminothermic reaction is one of the methods used to produce the chromium used in stainless steel and chrome plating.

産業上の重要性

アルミノサーミック還元は、従来の炭素還元では還元が困難なクロム、マンガン、その他の金属を商業的に生産するために使用されています。

特性

タイプ
Single Replacement
可逆的
いいえ
エネルギー
発熱性
ΔH
-536.0 kJ/mol

関連する反応

Aluminum Reacting with Iron(III) Oxide (Thermite) Chlorine Displacing Iodine from Potassium Iodide Magnesium Reacting with Steam Lithium Reacting with Water Aluminum Reacting with Hydrochloric Acid Iron Reacting with Hydrochloric Acid Iron Displacing Copper from Copper Sulfate Zinc Displacing Copper from Copper Sulfate Magnesium Reacting with Hydrochloric Acid Fluorine Displacing Chlorine from Sodium Chloride

Frequently Asked Questions

What is the equation for Aluminum Reducing Chromium Oxide (Aluminothermic)?
The balanced equation is: 2Al + Cr₂O₃ → Al₂O₃ + 2Cr.
What type of reaction is Aluminum Reducing Chromium Oxide (Aluminothermic)?
Aluminum Reducing Chromium Oxide (Aluminothermic) is a single replacement reaction.
Is Aluminum Reducing Chromium Oxide (Aluminothermic) exothermic or endothermic?
Aluminum Reducing Chromium Oxide (Aluminothermic) is exothermic (releases energy). The enthalpy change (ΔH) is -536.0 kJ/mol.