Aluminum Reducing Chromium Oxide (Aluminothermic)

2Al + Cr₂O₃ → Al₂O₃ + 2Cr

Обзор

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.

Участники

Роль	Вещество	Коэффициент	Состояние
Реагент	Aluminum Al	2	(s)
Продукт	Aluminum Oxide Al₂O₃	1	(s)
Продукт	Chromium Cr	2	(l)

Пример из жизни

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

Промышленное значение

Aluminothermic reduction is used commercially to produce chromium, manganese, and other metals that are difficult to reduce by conventional carbon reduction.

Свойства

Тип: Single Replacement
Обратимая: Нет
Энергия: Экзотермическая
ΔH: -536,0 kJ/mol

Связанные реакции

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.