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13-10-2022
Chemistry

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Ammonia gas decomposes when heated.
15
2NH₂(g) → N₂(g) + 3H₂(g)
In an experiment, a sample of 500 cm³ of ammonia was heated and 20% decomposed.
The total volume of gas present at the end of the experiment, in cm³, was
D A 200
00= 100 cm
B
400
C
600
D 1000

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