Zinc Reacting with Hydrochloric Acid

Zn + 2HCl → ZnCl₂ + H₂

Tổng quan

Zinc granules react with hydrochloric acid to produce zinc chloride and hydrogen gas. This is a moderately vigorous reaction commonly used in laboratories to generate hydrogen gas for experiments. The reaction rate can be increased by using powdered zinc or warming the acid.

Người tham gia

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

Ví dụ thực tế

This reaction is commonly demonstrated in school labs with Kipp's apparatus to generate a steady stream of hydrogen gas for collection and testing.

Tầm quan trọng công nghiệp

Zinc chloride produced from this reaction is used as a flux in soldering, in textile processing, and as a catalyst in organic reactions.

Tính chất

Loại: Single Replacement
Thuận nghịch: Không
Năng lượng: Tỏa nhiệt
ΔH: -152,4 kJ/mol

Phản ứng liên quan

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Frequently Asked Questions

What is the equation for Zinc Reacting with Hydrochloric Acid?

The balanced equation is: Zn + 2HCl → ZnCl₂ + H₂.

What type of reaction is Zinc Reacting with Hydrochloric Acid?

Zinc Reacting with Hydrochloric Acid is a single replacement reaction.

Is Zinc Reacting with Hydrochloric Acid exothermic or endothermic?

Zinc Reacting with Hydrochloric Acid is exothermic (releases energy). The enthalpy change (ΔH) is -152.4 kJ/mol.