Question

Why liquid NH3 bottles are kept in water before opening....​

Answer 1

The vapour pressure of ammonia at room temperature is very high and hence the ammonia will evaporate unless the vapour pressure is decreased.Cooling decreases the vapour pressure so that the liquid remains in the same state. Hence, the bottle is cooled before opening.

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Answer 2

Answer:

the vapour pressure of ammonia at room temperature is very high and has the ammonia will evaporate unless the vapour pressure will decrease

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