Zinc Reacting with Hydrochloric Acid

Zn + 2HCl → ZnCl2 + H2

Visão geral

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.

Participantes

Papel Substância Coeficiente Estado
Reagente Zinc Zn 1 (s)
Reagente Hydrochloric Acid HCl 2 (aq)
Produto Hydrogen H 1 (g)

Exemplo do cotidiano

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

Importância industrial

O cloreto de zinco produzido por esta reação é utilizado como fundente na soldadura, no processamento têxtil e como catalisador em reações orgânicas.

Propriedades

Tipo
Single Replacement
Reversível
Não
Energia
Exotérmico
ΔH
-152,4 kJ/mol

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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.