Mrs. Balling
 
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All this week we studied the diffusion of water (aka:osmosis) through a membrane.  As a model of this we used vinegar to dissolve the shell off of two eggs.  We then found that although the shell dissolved off of the eggs the eggs gained mass which indices that water entered the egg through the chorion.  We then placed one egg in corn syrup and the other in distilled water. The egg in corn syrup was in a hypertonic solution so water diffused out of the egg so it got smaller and lost mass; the egg in distilled water was in a hypotonic solution so water diffused into the cell, got larger and gained mass.

 


Comments

08/21/2010 01:06

her wishful face haunts my dreams like the rain at night.

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09/05/2010 18:02

If u love someone, u will know everything about her without asking her; if u don't love someone, u will forget everything even if she told u everything.

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