Question

d Cooling the concentrated ammonia and
hydrochloric acid before carrying out the
experiment increased the time taken for the
white cloud to form.​

Answer 1

Answer:

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Explanation:

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The ammonia gas, having a lower molecular weight than the hydrogen chloride, will diffuse faster and travel a greater length of the tube. Consequently, the white ring of ammonium chloride will form much closer to hydrochloric acid end of the tube.

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Answer 2

Answer:

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Explanation:

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