Diffusion

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celticboy1
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Diffusion

Post by celticboy1 » Sun Feb 12, 2006 10:12 pm

Does anyone know why heat increases diffusion? thanks

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zami'87.
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Re: Diffusion

Post by zami'87. » Sun Feb 12, 2006 11:17 pm

Heat represents energy..by receiving energy molecules move faster..

(just compare ice,liquid water,vapour...where are the molecules the fastest :wink: )
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Post by sam_querida » Sun Feb 12, 2006 11:22 pm

:D basically heat allows for the cells to gain kinetic energy. as a result they tend to move faster and hence increase the rate of diffusion

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mith
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Post by mith » Mon Feb 13, 2006 1:21 am

umm, has nothing to do with cells.
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2810712
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Post by 2810712 » Mon Feb 13, 2006 3:04 am

Are u talking of heat of cell or the world out of the cell ?
then as kinetic molecules enter the cellthe heat will increase and tha tof surroundings will decrease.
and if they diffuse out, then heat of cell will decrease and that of surroundings wioll increase.
because heat is just agitated molecules...



Note that if more heat is supplied then diffusion will be faster... and faster diffussion rate thus implies presence more heat but higher diffusion isn't
the reason for higher heat.It is just a consequence of higher heat occurance.





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Post by baikuza » Mon Feb 13, 2006 7:08 am

i think that both in cell and at this earth the increasing of heat increases the rate of diffusion. so that diffusion goes faster.

i know that cell is iso thermal, nevertheless cell has matrix in it-i.e. protoplasm-that can be affected by many factor. like heat. yes. that is why enzymez goes faster if the temperature increases-by the way, do not forget that enzyme has an optimum temperature. and can be denatured if the temp. is too high for it.i.e enzyme is organic compound.

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