Thursday, February 4, 2010

Determine whether the italicized word makes each statement true or false.?

1. A solid dissolves faster when it is ground because grinding


decreases a surface area.


2. Generally, the concentration of a liquid dissolves in a liquid


can be expressed as a percentage by mass.


3. Adding antifreeze to a car radiator increases the boiling


point of the water in the radiator.


4. a General statment that discribes which substance dissloves which is like dissolves unlike.


5. Because grease is polar it cannot be dissolved in water.


6. An alloy is a solid solution


7. Nail polish can be dissolved by the nonpolar solvent acentone.


8. the process called dissociation separates ionic crystals into ions.


9. Hydrocarbons are nonpolar because thayhave an unequal distribution of electrons.Determine whether the italicized word makes each statement true or false.?
1. Grinding increases surface area, so dissolves faster.


2. percentage by volume


3. True


4. like dissolves like


5. grease is nonpolar


6. True


7. Acetone is a polar solvent


8. True


9. They have an equal distribution of electrons, which are shared.

No comments:

Post a Comment