Aluminum Reducing Chromium Oxide (Aluminothermic)

2Al + Cr₂O₃ → Al₂O₃ + 2Cr

ภาพรวม

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.

ผู้เข้าร่วม

บทบาท	สาร	สัมประสิทธิ์	สถานะ
สารตั้งต้น	Aluminum Al	2	(s)
ผลิตภัณฑ์	Aluminum Oxide Al₂O₃	1	(s)
ผลิตภัณฑ์	Chromium Cr	2	(l)

ตัวอย่างในชีวิตประจำวัน

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

ความสำคัญทางอุตสาหกรรม

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

คุณสมบัติ

ประเภท: Single Replacement
ย้อนกลับได้: ไม่
พลังงาน: คายความร้อน
ΔH: -536.0 kJ/mol

ปฏิกิริยาที่เกี่ยวข้อง

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.