Magnesium Reacting with Hydrochloric Acid
Mg + 2HCl → MgCl2 + H2
Visão geral
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.
Participantes
| Papel | Substância | Coeficiente | Estado |
|---|---|---|---|
| Reagente | Magnesium Mg | 1 | (s) |
| Reagente | Hydrochloric Acid HCl | 2 | (aq) |
| Produto | Hydrogen H | 1 | (g) |
Exemplo do cotidiano
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.
Importância industrial
O cloreto de magnésio produzido por este tipo de reacção é utilizado no controlo de pó em estradas, na remoção de gelo e na produção de magnésio metálico por electrólise.
Propriedades
- Tipo
- Single Replacement
- Reversível
- Não
- Energia
- Exotérmico
- ΔH
- -462,0 kJ/mol
Reações relacionadas
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Lithium Reacting with Water
Aluminum Reducing Chromium Oxide (Aluminothermic)
Iron Reacting with Hydrochloric Acid
Iron Displacing Copper from Copper Sulfate
Copper Displacing Silver from Silver Nitrate
Iron Reacting with Copper(II) Chloride
Magnesium Reacting with Sulfuric Acid
Magnesium Reacting with Nitric Acid
Chlorine Displacing Iodine from Potassium Iodide
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.