SELECT * FROM question_mgmt as q WHERE id=1241 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=9 AND chapterId=42 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)

Question:

If ten volumes of dihydrogen gas react with five volumes of dioxygen gas, how many volumes of water vapour would be produced?

Answer:

Reaction of dihydrogen with dioxygen can be written as:

 

6H2 + 3O2 = 6H2O

 

Now, SIX volumes of dihydrogen react with THREE volume of dihydrogen to produce SIX volumes of water vapour.

 

Hence, ten volumes of dihydrogen will react with five volumes of dioxygen to produce ten volumes of water vapour.


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