10/20/17  

1  

Proper,es  of  Water  

The  Water  Molecule  

•  Polar  Covalent  •  Hydrogen  bonds  

10/20/17  

2  

Cohesion  and  Adhesion  

•  Cohesion  –  water  “s,cking”  to  water  •  Adhesion  –  water  “s,cking”  to  other  objects  

Surface  Tension  

•  Cause?  

10/20/17  

3  

Universal  Solvent  •  Solvent-­‐  •  Solute-­‐  •  Ionic  and  polar  substances  dissolve  in  water,  nonpolar  substances  do  not  

Density  

10/20/17  

4  

pH  of  Water  

Substance   Predicted:  acid  or  base?   Actual  pH  

Water  

Lemon  Juice  

Bleach  

Drain    Cleaner  

Dish  Soap  

The  Water  Cycle