Problem: Consider the apparatus shown in the drawing.How does the volume of the O2 gas change when the gases mix?

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We have to explain how the volume of oxygen gas changes when the two gases mix.


Diffusion of gases is a process in which gases move from region of higher concentration to a region of lower concentration in order to occupy the whole volume available to them.

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Problem Details

Consider the apparatus shown in the drawingTwo gas flasks are connected by a tube with a stopcock in the middle. N2 is in the flask on the left (2.0 liters, 1.0 atmospheres, 25 degrees C) and O2 is in the flask on the right (3.0 liters, 2.0 atmospheres, 25 degrees C)..

How does the volume of the O2 gas change when the gases mix?

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