Why is aqueous ammonia warmed gently?
Answers
Answer:
Explanation:
Aqua Ammonia, aqueous ammonia and ammonium hydroxide are synonymous terms referring to a solution of ammonia in water. Aqua ammonia is a clear, colourless liquid with a strong pungent ammonia odor. The grade or strength of commercially available aqua ammonia is usually 26-Degree Baumé.
The ammonia comes out of a solution as a gas. When you buy concentrated ammonia solution (approx. 15⋅mol ⋅ L^− 1 ) in water and you get a whiff of this solution, the pungent odour of ammonia (gas) will bring tears to your eyes. Of course, I do not recommend that you try this. Many cleaning products are ammonia based, and you can smell the distinctive odour.
The degree of acid base dissociation with respect to ammonia in aqueous solution is fairly minimal.
NH3(aq) + H2O(l) ⇌ NH+4 + HO−
K eq = 1.8 × 10 − 5 at 298K
It dissolves easily in water to form ammonium hydroxide solution which can cause irritation and burns. Ammonia gas is easily compressed and forms a clear, colourless liquid under pressure. Explanation: Ammonia is not highly flammable, but containers of ammonia may explode when exposed to high heat
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