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In Chemistry, diffusion and effusion are one of the most commonly used terms. However, there are nothing but two varying properties of the gases. When you study these terms, it can get quite confusing if you are just starting to study the gases. Both diffusion and effusion may sound quite similar to you, but they are two entirely different terms. Both of them mean different things and hence we cannot use them interchangeably. In this article, we will study about the diffusion and effusion definition Chemistry, the diffusion and effusion meaning, and take a look at the difference between diffusion and effusion. Let us first learn about both the terms in detail.
What are Effusion and Diffusion?
Diffusion refers to the ability of the gases to mix without needing a bulkier motion. On the other hand, effusion refers to the ability of the gases for travelling or escaping through a tiny hole having a smaller aperture and from a place having a higher concentration to a lower concentration.
However, both diffusion and effusion are the processes occurring in our day-to-day lives. Diffusion generally occurs inside our body in which exchanges of oxygen, nutrients and energy takes place within our body. We need to know what is the difference between diffusion and effusion Chemistry.
The primary difference between the effusion and diffusion is the barrier which tends to either exist or be absent whenever a specific volume of gas tends to move from one place to another. However, let us take a look at the differences between diffusion and effusion.
Difference Between Diffusion and Effusion
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Effusion |
Diffusion |
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Effusion happens when the gaseous molecules tend to escape through the pinhole into the vaccum. |
During the process of diffusion, one gas tends to mix with the other generally by thermal random motion which results in the collision between each of the gases while it releases molecular energy. |
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Effusion refers to the ability of the gas to travel through a tiny opening. |
Diffusion refers to the ability of the gases to mix, generally when there is an absence of a barrier. |
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Effusion tends to occur when the aperture or size of the hole is much smaller when compared to the mean free path of the constituent molecules. |
Diffusion tends to occur when there are no holes present or when the holes in the barrier are much larger when compared to the mean free path. |
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During the process of effusion, the particles tend to move faster than diffusion since there is no collision occurring between the molecules. |
The rate of diffusion is limited and depends on the size and the kinetic energy of the other particles. |
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Effusion happens or is facilitated when there is a difference in pressure. |
Diffusion happens because of the difference in the concentrations. |
How to Eliminate the Misconceptions About Effusion and Diffusion?
According to studies done from the past twenty years and more, it’s been revealed that there are several misconceptions in the mind of students while studying Effusion and Diffusion. It is mainly due to teaching ideas that the main concepts of Effusion and Diffusion remain incomplete in the majority of students. Extensive research was done mainly to know what difficulties students face while studying these concepts, the study consisted of classroom practices on a theoretical framework that included both general and specific dimensions of teaching.
One specific case study collected data in different stages like interviewing the teachers and knowing about their planning; a video recording while teachers explained the concepts in classes and lastly, collected the feedback from teachers about their knowledge on the same. The results show that the defect is in the teaching method and not in students’ abilities to grab the same. Furthermore, this case study also revealed the difficulties students face in other science concepts. So to eliminate the diffusion it is necessary to teach the concepts in an experimental method rather than teaching them through theoretical lectures and discussions. Experiments provide a better and deep understanding of basic concepts of Effusion and Diffusion which is not possible through theory lectures.
The Benefits of Studying Effusion & Diffusion with
Improving teaching methods for new age students is a never-ending process and that is the primary goal of . Teachers here adopt new standards and apply new ideas to bring a complete change in whatever they teach to a variety of students taking online classes on . Whatever the subject is, maybe the difference between Effusion and Diffusion or a simple photosynthesis process, the teacher’s approach towards teaching has to be new and advanced with every day changing techniques, and that is exactly how teachers teach the students at . They need to invest their maximum time and effort to bring a better chance in their teaching methods.
Whatever the challenges students face in adopting new methods, it is the results that matter and they need to bring a positive change in their grades by learning new concepts from . Basically, the Diffusion of Innovation is a five-step process that students need to follow to see the impact and change in their routine lives.
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First, they need to search for new ideas and make strategies on how they can implement them.
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Next, they need to change their attitude towards favourable and unfavourable opinions. Then only they can decide whether to implement the idea or not.
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Now they need to implement the idea in their own researched way.
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At last, the evaluation of results decides whether they are on the right path or not.
There are several factors as well which influence the implementation of new ideas whether it can be students’ performance or teachers’ own professional values teaching on . Furthermore, the complexity of new ideas also decides the implementation of whether they can be presented in a relevant or understandable way. So, it all depends on the personality of teachers whether they are innovators or adopters of all these innovative ideas. Our tutors focus on being innovators and thus, they convey the same to their students on .