Concept explainers
(a)
Interpretation:
The gas that will reach the end of the tube first needs to be determined, if both valves to bulb A and B are opened one by one.
Concept introduction:
The process by which the gas molecules escape from a region of high pressure to the region of low pressure is known as effusion.
For two gas molecules A and B, the time required for effusion is expressed as below:
Where time1 and time2 is the time of effusion for gas 1 and 2. MM1 and MM2 is molar mass of gas A and B respectively.
(b)
Interpretation:
The change in the contents of the bulbs needs to be determined, if both the gases are required to each the end of the tube one by one.
Concept introduction:
Effusion is the process of escape of gas molecules from a high-pressure region to low pressure region through a pinhole. For two gas molecules A and B, the time required for effusion is expressed as below:
Where time1 and time2 is the time of effusion for gas 1 and 2. MM1 and MM2 is molar mass of gas A and B respectively.

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Chapter 5 Solutions
PRINCIPLES+REACTIONS
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