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The movement of particles from an area of high concentration through a semi-permeable membrane to an area of low concentraton is the process of diffusion.

I'm sorry but I do not think that answer is good enough. It is a form of diffusion, where only small particles, small enough to pass through the membrane can get through. When I was in school the statement above was the definition of osmosis, the whole point being it was diffusion through a semi-permeable membrane, selecting for only small enough particles. It seems some time between 1992 and 2003 the definition was changed to the movement of water, and not particles and now in 2010 the definition is the movement of solvents. I would like to know how and why the definition osmosis was changed, why and what is the justification? I would also like to know why the original meaning of osmosis, which made perfect sense, has been changed to "it's the definition of diffusion and not osmosis any more", when in fact it isn't a clear enough word to describe the process? Surely the new definition of osmosis is also diffusion?

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14y ago
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12y ago

I would say:

High to low: For water- osmosis

High to low: For substances: Diffusion

Low to high: Active transport.

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10y ago

Low to High would be "Active transport" if I remember Biology correctly. It requires Energy.

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Wiki User

13y ago

Osmosis.

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Q: What is the movement of molecules from areas of higher concentration to lower concentration until equilibrium is met?
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Related questions

Diffusion is the movement of a substance?

from an area of high concentration to an area of lower concentration.


How are diffusion and osmosis process the same?

Both involve passive transport: The movement of molecules from a region of higher concentration to a region of lower concentration in order to reach a state of equilibrium.


Movement of molecules from high high to low concentration?

Movement of molecules 4m higher to lower concentration is called osmosis


When a solution as a greater concentration particles?

Diffusion is the net movement of molecules from an area where they are at a higher concentration to areas where they are at a lower concentration. This is due to the random movement of the molecules.


What is diffusion and how does it relate to the movement of material into and out of the cell?

diffusion is the kinetic movement of molecules from higher concentration to lower concentration.


What do molecules move along in diffusion?

Molecules move a from regions where they are in higher concentrations to regions where they are in lower concentrations. Random


What movement of gas molecules from a region of higher concentration to a region of lower concentration?

osmosis is the passive movement of a substance from a place where its concentration is higher, to another where its concentration is lower. This applies to gases, I guess


Which terms refers to the movement of molecules from an area of higher concentration an area of lower concentration?

Diffusion, a form of passive transport, is the movement of molecules from an area of greater concentration to an area of lower concentration. Osmosis is a special case involvement the movement of water from an area of higher concentration of water molecules to an area of lower concentration of water molecules. It takes place in all three states of matter-Solids, liquids and gases.


What is the term for the movement of molecules from an area of lower concentration to an area of higher concentration?

If it is the movement of molecules then it is diffusion. If it the movement of water then it is osmosis


What term refers to the movement of molecules from a higher concentration to an area of lower concentration?

Diffusion, a form of passive transport, is the movement of molecules from an area of greater concentration to an area of lower concentration. Osmosis is a special case involvement the movement of water from an area of higher concentration of water molecules to an area of lower concentration of water molecules. It takes place in all three states of matter-Solids, liquids and gases.


What term refers to the movement of molecules of water from an area of higher concentration to an area of lower concentration?

Osmosis


How is osmosis related to diffussion?

Diffusion -Movement of molecules(not water) from an area of higher concentration to an area of lower concentrationOsmosis -Movement of water molecules from a region of higher concentration to an area of lower concentration through a semi permeable membrane.Similarities- both move from higher to lower concentration and both are examples of passive transport