Question

A mixture of nitrogen and carbon dioxide at 298 k and 101.325 kPa has an average molecular weight of 31. What is the partial pressure of nitrogen ?

Answer 1

Answer:

(a) A mixture of hydrogen (1.01 g) and chlorine (17.73 g) in a container at 300 K has a total gas pressure of 98.8 kPa. What is the partial pressure of hydrogen in the mixture?

(b) The mixture of gases is then transferred into another container which has a volume two-thirds that of the original container, the temperature remaining unchanged. How many molecules are present under these new conditions? (The increased pressure does not cause any chemical reaction).

(c) The gas mixture in the new container is exploded by continuously passing a spark, and the temperature is subsequently returned to 300 K. What is the total gas pressure now?

Answer 2

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