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
- Обратимая
- Нет
- Энергия
- Экзотермическая
- ΔH
- -536,0 kJ/mol
Связанные реакции
Magnesium Reacting with Steam
Lithium Reacting with Water
Iron Reacting with Hydrochloric Acid
Iron Displacing Copper from Copper Sulfate
Magnesium Reacting with Hydrochloric Acid
Copper Displacing Silver from Silver Nitrate
Iron Reacting with Copper(II) Chloride
Magnesium Reacting with Sulfuric Acid
Magnesium Reacting with Nitric Acid
Chlorine Displacing Iodine from Potassium Iodide
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.