Concept explainers
Interpretation:
The comparison between diffusion and effusion needs to be explained.
Concept introduction:
Diffusion is ability of gas to mix with each other in absence of barrier while effusion is ability of gas to travel through a small opening.
Answer to Problem 39A
In effusion, particles move faster than diffusion. Both effusion and diffusion rates are inversely proportional to the molecular mass of gas.
Explanation of Solution
Both effusion and diffusion rate explained by Graham’s Law.
Where
In other words the rate of effusion of gas is inversely proportional to square root of density or molar mass of gas.
Thus
Diffusion and effusion are property of gas.
Chapter 12 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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