From: edison0619@gmail.com   
      
   On Thursday, 2 April 1998 16:00:00 UTC+8, CINDY SMITH  wrote:   
   > Why does salt water evaporate faster than fresh water?  My science is a bit   
   > sketchy.  From what I understand (I'm an English major, forgive me), salt   
   water   
   > evaporates faster because the atomic charge of salt water is different from   
   > that of fresh water.  Salt, I think, also absorbs water?  I've heard that   
   > rubbing salt in an open wound causes the wound to heal faster because salt   
   > absorbs blood, for example.  Salt somehow changes the molecular balance of   
   > water.  Am I on the right track?  Can someone recommend a book I can find in   
   a   
   > library that answers the question?  Sorry if the question is too basic.   
   >    
   > Thanks!   
   >    
   > --    
   > Cindy Smith   
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   When NaCl dissolves in water, Na+ and Cl- ions form ion-dipole interaction   
   with water.    
      
   As water is evaporated from salt water, less water is available to form   
   ion-dipole interaction with Na+ and Cl- ions. This results more ionic bonds   
   between Na+ and Cl- to be formed, releasing heat energy to further evaporate   
   more water in salt water.    
   Hope this helps.    
      
   Alaia    
   A-level Chemistry teacher in Singapore   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)