Magnesium Reacting with Steam

Mg + H2O → MgO + H2

概述

Magnesium reacts with steam to produce magnesium oxide and hydrogen gas. The reaction is vigorous and highly exothermic. Hot magnesium burns with an intense white flame even in steam, making this a dramatic and instructive demonstration of the high reactivity of magnesium.

参与者

角色 物质 系数 状态
反应物 Magnesium Mg 1 (s)
反应物 Water H₂O 1 (g)
产物 Magnesium Oxide MgO 1 (s)
产物 Hydrogen H 1 (g)

日常示例

Magnesium fires cannot be extinguished with water because magnesium reacts with steam, producing hydrogen gas that adds fuel to the fire.

工业重要性

镁与水蒸气的反应是镁加工厂和镁火灾安全的关键考虑因素，镁火灾必须使用干沙或D类干粉灭火剂，严禁用水或普通灭火器扑救。

属性

类型
Single Replacement
可逆
否
能量
放热
ΔH
-361.0 kJ/mol

相关反应

Aluminum Reacting with Iron(III) Oxide (Thermite) Chlorine Displacing Iodine from Potassium Iodide 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 Magnesium Reacting with Hydrochloric Acid Fluorine Displacing Chlorine from Sodium Chloride

Frequently Asked Questions

What is the equation for Magnesium Reacting with Steam?
The balanced equation is: Mg + H₂O → MgO + H₂.
What type of reaction is Magnesium Reacting with Steam?
Magnesium Reacting with Steam is a single replacement reaction.
Is Magnesium Reacting with Steam exothermic or endothermic?
Magnesium Reacting with Steam is exothermic (releases energy). The enthalpy change (ΔH) is -361.0 kJ/mol.