Question

Why water cannot be added to acid

Answer 1

A large amount of heat is released when strong acids like sulfuric acid and HCl are mixed with water. First, adding more acid releases more heat, as it is exothermic.

If you add water to acid it forms an extremely concentrated solution of acid initially. So much heat is released that the solution may boil very violently, splashing concentrated acid out of the container and all this because the reaction is exothermic.

On the other hand, adding acid to water, the solution that forms is very dilute and the small amount of heat released is not enough to vaporize it. So it is always safer to add acid to water, and not water to acid.

:)

Answer 2

so much heat is released that the solution may boil very violently, splashing concentrated out of the container and all this because this reaction is exothermic.on the other hand,,adding acid to water the solution that forms is very dilute and the small amount of heat released is not enough to vapourise it.
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