Magnesium Reacting with Hydrochloric Acid

Mg + 2HCl → MgCl₂ + H₂

Tổng quan

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.

Người tham gia

Vai trò	Chất	Hệ số	Trạng thái
Chất phản ứng	Magnesium Mg	1	(s)
Chất phản ứng	Hydrochloric Acid HCl	2	(aq)
Sản phẩm	Hydrogen H	1	(g)

Ví dụ thực tế

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.

Tầm quan trọng công nghiệp

Magnesium chloride produced by this type of reaction is used in dust control on roads, ice removal, and in the production of magnesium metal by electrolysis.

Tính chất

Loại: Single Replacement
Thuận nghịch: Không
Năng lượng: Tỏa nhiệt
ΔH: -462,0 kJ/mol

Phản ứng liên quan

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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.