Homework #3

ISAS page 50

1. A physical property is a physical charactieristic of a material that cn be directly measured or absorbed.

2. Ice, water from a lake, water vapor

3. They are equal in mass because no matter what their form is, they take up the same amount of space

4. In a factory where juice or drinks are produced

5. Heterogenous mixtures are mixtures that are not uniform throughout, while homogenous mixtures are uniform throughout. 

6. You need to know if the gasoline and water will form a homogenous or heterogenous mixture to figure out which substance will float to the top.

7. 
    a) colloid
    b) colloid
    c) solution
    d) solution
    e) suspension
    f) colloid

8. This demonstrates that the air in the room is a solution since the tydnall effect is taking place.

9. 

10. This mixture is a solution since no particles are seperating. It is a homogenous solution to be more specific.

11. Substance: a material with a uniform and definate composition as well as distinct properties (example #1: water, example #2: oxygen)

12. 

    a) compound 

    b) element

    c) compound

    d) element

    e) compound

    f) compound

    g) element