Why is it important to follow the recommended order of mixing chemicals like acid and water?

Following the recommended order of mixing chemicals, such as adding acid to water, is essential primarily for safety reasons. When acids are mixed with water, the process generates heat, which can cause the mixture to splash or bubble violently if the wrong order is followed. Adding water to acid can lead to an exothermic reaction that produces fumes and potentially hazardous situations, such as splattering concentrated acid.

In contrast, adding acid to water allows for better control of the reaction. The water can absorb the heat generated, minimizing the risk of splashing and reducing the likelihood of dangerous reactions. This practice not only helps in preventing accidents but also ensures that the chemical interactions proceed safely, maintaining the integrity of the substances involved. Emphasizing safety in chemical handling is a critical aspect of laboratory and industrial practices.