Magnesium Reacting with Hydrochloric Acid

Mg + 2HCl → MgCl2 + H2

概要

Magnesium reacts vigorously with hydrochloric acid to produce magnesium chloride and hydrogen gas. The reaction is highly exothermic and proceeds rapidly with visible gas bubbles. Magnesium ribbon dissolves quickly with effervescence, and the solution becomes hot.

参加者

役割 物質 係数 状態
反応物 Magnesium Mg 1 (s)
反応物 Hydrochloric Acid HCl 2 (aq)
生成物 Hydrogen H 1 (g)

日常の例

This reaction is used in chemistry labs to demonstrate the reactivity of metals with acids, producing hydrogen gas that pops when tested with a burning splint.

産業上の重要性

この種の反応で生成される塩化マグネシウムは道路の凍結防止、除氷剤、建設材料（マグネシアセメント）、マグネシウム金属電解採取の原料として利用される。

特性

タイプ
Single Replacement
可逆的
いいえ
エネルギー
発熱性
ΔH
-462.0 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 Aluminum Reducing Chromium Oxide (Aluminothermic) Iron Reacting with Hydrochloric Acid Iron Displacing Copper from Copper Sulfate Zinc Displacing Copper from Copper Sulfate Fluorine Displacing Chlorine from Sodium Chloride

Frequently Asked Questions

What is the equation for Magnesium Reacting with Hydrochloric Acid?
The balanced equation is: Mg + 2HCl → MgCl₂ + H₂.
What type of reaction is Magnesium Reacting with Hydrochloric Acid?
Magnesium Reacting with Hydrochloric Acid is a single replacement reaction.
Is Magnesium Reacting with Hydrochloric Acid exothermic or endothermic?
Magnesium Reacting with Hydrochloric Acid is exothermic (releases energy). The enthalpy change (ΔH) is -462.0 kJ/mol.