what is diffusion what is it significance
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DIFFUSION
it is the movement of molecules from area of higher concentration to the area of lower concentration.
SIGNIFICANCE
diffusion is essential step in biological processes like photosynthesis, respiration etc.
during stomatal TRANSPIRATION water vapours from the intercellular spaces escape out in the outer atmosphere by this process.
many small organisms such as amoeba and hydra depend on diffusion for obtaining oxygen and getting rid of carbondioxide.
in the lungs of large animals the exchange of cases between air and blood also takes place by diffusion.
it is the movement of molecules from area of higher concentration to the area of lower concentration.
SIGNIFICANCE
diffusion is essential step in biological processes like photosynthesis, respiration etc.
during stomatal TRANSPIRATION water vapours from the intercellular spaces escape out in the outer atmosphere by this process.
many small organisms such as amoeba and hydra depend on diffusion for obtaining oxygen and getting rid of carbondioxide.
in the lungs of large animals the exchange of cases between air and blood also takes place by diffusion.
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Diffusion is the net movement of anything from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration. The concept of diffusion is widely used in many fields, including physics, chemistry, biology, sociology, economics, and finance.
Gaseous particles tend to undergo diffusion because they have kinetic energy. Diffusion is faster at higher temperatures because the gas molecules have greater kinetic energy. Graham's Law states that the effusion rate of a gas is inversely proportional to the square root of the mass of its particles.
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