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eggshellentabsorption - University of Florida Chemistry...

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University of Florida Chemistry Outreach Program “Eggshellent” Absorption Estimated Time: 3 days Topics: Osmosis and Diffusion, SC.H.1.3 Introduction: Diffusion involves the movement of molecules from a place where there are a lot of molecules, to where there are fewer molecules. Osmosis is the same thing except that a cell membrane is involved. Fluids move into and out of a cell until there is equilibrium, or balance. If you put cells in a sugary substance, the water will move out of the cell. This experiment verifies the principle of diffusion using an egg. Furthermore, our cells use osmosis to maintain their shape and functions everyday. If cells are in a concentrated (hypertonic) solution, then water moves out of the cells to lower the concentration (like the sugary substance). This causes the cells to shrivel and shrink. If cells are put into a very low concentrated (hypotonic) solution, then the cells will take in the water to raise the concentration. This causes the cells to swell up and sometimes burst.
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