Question

Ammonium chloride mix in water why water cools down?​

Answer 1

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When ammonium chloride dissolves in water, the temperature falls because the ammonium chloride is pulling heat in from its surroundings (the water), causing the temperature to fall. Thus, the energy change is endothermic.

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Answer 2

Answer:

Ammonium chloride is a substance which has the molecular formula NH‚„Cl and is highly soluble in water. It was first manufactured during the 13th century in Egypt and Europe and was originally known as sal ammoniac. It is used for a variety of purposes. In medicine it is used as an expectorant, which clears the phlegm from the bronchi, lungs and trachea area. It is also used as a component in dry cell batteries, an ingredient in cough medicine and as a dietary supplement to maintain pH levels.