Hydrochloric Acid and Calcium Hydroxide
2HCl + Ca(OH)2 → CaCl2 + 2H2O
Visão geral
Hydrochloric acid reacts with calcium hydroxide (slaked lime) to form calcium chloride and water. Calcium hydroxide is a dibasic compound that requires two equivalents of HCl. This neutralization is widely used in water treatment and industrial acid waste handling.
Participantes
| Papel | Substância | Coeficiente | Estado |
|---|---|---|---|
| Reagente | Calcium Hydroxide Ca(OH)₂ | 1 | (s) |
| Reagente | Hydrochloric Acid HCl | 2 | (aq) |
| Produto | Water H₂O | 2 | (l) |
Exemplo do cotidiano
Road salt (calcium chloride) used for de-icing in winter can be produced by this neutralization reaction.
Importância industrial
O cloreto de cálcio é utilizado no degelo de estradas, no controlo do pó em vias não pavimentadas, na aceleração do endurecimento do betão e na conservação de alimentos. É um subproduto do processo Solvay para a produção de carbonato de sódio.
Propriedades
- Tipo
- Acid-Base
- Reversível
- Não
- Energia
- Exotérmico
- ΔH
- -118,0 kJ/mol
Reações relacionadas
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Ammonia and Hydrochloric Acid
Ascorbic Acid and Sodium Hydroxide
Barium Hydroxide and Ammonium Thiocyanate (Endothermic)
Carbonic Acid and Sodium Hydroxide
Aluminum Hydroxide as Amphoteric Acid with NaOH
Aluminum Chloride and Chloride Ion (Lewis Acid-Base)
Hydrochloric Acid and Sodium Hydroxide Neutralization
Nitric Acid and Potassium Hydroxide Neutralization
Hydrochloric Acid and Barium Hydroxide
Frequently Asked Questions
What is the equation for Hydrochloric Acid and Calcium Hydroxide?
The balanced equation is: 2HCl + Ca(OH)₂ → CaCl₂ + 2H₂O.
What type of reaction is Hydrochloric Acid and Calcium Hydroxide?
Hydrochloric Acid and Calcium Hydroxide is a acid-base reaction.
Is Hydrochloric Acid and Calcium Hydroxide exothermic or endothermic?
Hydrochloric Acid and Calcium Hydroxide is exothermic (releases energy). The enthalpy change (ΔH) is -118.0 kJ/mol.