Složení látek

Sloen ltek LC

Vechny ltky jsou sloeny z stic nepatrnch rozmr. Dmokritos

z Abdr http://www.converter.cz/fyzici/demokritos.htm

pokus s hypermanganem pokus s inkoustem pokus s ajem pokus s barvivem a

bramborou pokus s amoniakem Vysvtlen pokus :

stice vech ltek se neustle neuspodan pohybuj. Dochz k tzv. difuzi - pronikn stic jedn ltky(barviva) mezi stice druh ltky( vody) .

http://www.biosci.ohiou.edu/introbioslab/Bios170/diffusion/Diffusion.html Brownv pohyb

applet Brownv pohyb -lze

pozorovat pod mikroskopem, zrnka pylu(steky tue) konaj ve vod trhav pohyb,protoe do nich narej pohybujc se stice vody

Robert Brown http://fyzweb.cuni.cz/dilna/krouzky/brown/brown.htm Hezk den !!!!!!!!!!!!

http://mfweb.wz.cz/fyzika/68.htm

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