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Being exothermic relates to a reaction of two substances which give out heat to the surroundings. As such, hydrochloric acid can't be exothermic by itself.
If you add concentrated hydrochloric acid to water, however, heat is generated in the reaction which is one of the reasons why hydrochloric acid should only be diluted in this way (acid added to water, not the other way round) otherwise the solution can quickly and violently boil over and cause acid and heat burns to anything it touches.
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Is hydrochloric acid and copper carbonate exothermic?
Yes, the reaction between hydrochloric acid and copper carbonate is exothermic. This means that it releases heat during the reaction.
Is the reaction of sodium bicarbonate with hydrochloric acid endothermic or exothermic?
The reaction of sodium bicarbonate with hydrochloric acid is exothermic. This is because heat is released during the reaction as the chemical bonds are broken and new bonds are formed.
Is reacting calcium carbonate with hydrochloric acid endothermic or exothermic?
Reacting calcium carbonate with hydrochloric acid is an exothermic reaction. It releases heat energy as the reaction proceeds, making the surroundings warmer.
Is this endothermic or exothermic when a antacid tablet reacts with hydrochloric acid?
The reaction of an antacid tablet with hydrochloric acid is typically exothermic, meaning it releases heat. This is because the reaction between the tablet and acid produces energy in the form of heat.
Is hydrochloric acid dissolving in water an exothermic reaction?
Yes, the dissolution of hydrochloric acid in water is an exothermic reaction because it releases heat energy. This is due to the formation of hydrogen ions and chloride ions from the dissociation of the acid molecules.
