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When particles diffuse they break apart, down into simpler substances.
Diffusion is the net movement of molecules from high to low concentration through random motion. From the particle point of view it just moves about at random (as usual) but the overall effect is for the particles to spread out evenly.
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How many types of Passive transport are there?
1) Passive diffusion. 2) Carrier mediated diffusion. In passive diffusion particles move from higher concentration to lower concentration. In carrier mediated passive diffusion a carrier protein comes, takes a paricle with it, go inside the cell membrane and liberate the particle inside. This is simple physics. By this way, once equal concentration is achieved (50 % on either side.) the diffusion should stop. But in biology the absorption may extend to very high level by passive diffusion. In biology on the other side of the cells there are cappilaries. They carry away the particle, say glucose, and maintain the concentration gradient. And so absorption continuesto very high level. ( Till all the particles are equally distributed.)
What is the purpose for diffusion and osmosis?
There is no real purpose. But they are both forms of particle movement across the concentration gradient (from high concentration). You could say that the purpose is to balance the amount of a certain particle. NATURE HATES HIGH CONCENTRATION OF PARTICLES IN ONE AREA! :)
Difference between molecular motion and diffusion?
It triggers diffusion because diffusion is the movement of molecules, therefore as soon as the molecules move diffusion begins to do it's job. It will take them from areas of greater concentration to areas of lesser concentration.
What is the natural tendency of molecules to spread evenly through a room?
Diffusion
How diffusion will occur?
diffusion is occur when different concentration gradient is applied
Explain why diffusion is evidence for particle models?
Diffusion is evidence for particle models because it causes diffusions
What the intermixing of particle are known as and why?
diffusion
This is the process of particles spreading out evenly due to particle motion?
diffusion
What are the particle involved in diffusion?
Diffusion is due to the Transitional movement of molecules or particles.
A phenomena that can be explained with the particle model?
Diffusion
What happens for diffusion to occur?
two molecules must collied before diffusion happens.
What factors most affect the rate of diffusion in a liquid or agas?
Two factors which determine the rate of diffusion of a liquid in another liquid include temperature and particle size. The higher the temperature, the faster diffusion takes place, and the smaller the particle, the faster diffusion takes place.
Why you get the smell of drainage several meters away?
because of particle diffusion in the air
What happens to rate of diffusion on heating?
On heating the rate of Diffusion increases..
What is particle movement from an area of high concentration to an area of low concentration called?
Diffusion
How is a particle able to move from a region of lesser cocentration to a region of higher concentration?
Diffusion
What is in the particle spread out evenly?
It means they are distributed equally after some time. This is the phenomena of diffusion.
