1. Properties of Matter

2. How Do we Classify Matter?
Physical
Chemical
Can be determined without in any way changing its identity
May be extensive or intensive .
Extensive: Depends upon how much of a particular sample you have on hand. Ex: mass, weight, volume
Intensive: Does not depend on the size of a sample. Ex: Color, odor, luster
Can be determined by its ability to be changed into a new and different substance. Ex: Ability to burn, ability to react with air

3. Sort the following into Physical (extensive or intensive) or Chemical property
Combustibility
Mass
Malleability
Melting point
Solubility
Conductivity
Ductility
Ability to rust
Boiling point
Abiltity to tarnish
Denisty
Flammability

4. Check your answers: Mass (extensive) Malleability (intensive)
Physical
Chemistry
Mass (extensive)
Malleability (intensive)
Melting point (intensive)
Solubility (intensive)
Ductility (intensive)
Boiling point (intensive)
Density (intensive)
Combustibility
Ability to rust
Ability to tarnish
Flammability

5. Density Intensive physical property
Quantity of matter in a given volume
Density=mass/volume
D=m/v
The density of a solid or liquid is expressed in grams/milliliter (g/ml)
The density of a gas is expressed in grams/liter (g/l)
Changes in temperature and pressure will affect the density of a gas more than a liquid , more than a solid. (gas laws)

6. What is the density of 12. 00 ml of sulfuric acid with a mass of 22
What is the density of ml of sulfuric acid with a mass of grams?
Solution:
D=m/v
D= g/12.00 ml
D= g/ml

7. A sample of marble has a mass of 41. 2. It’s density is 2
A sample of marble has a mass of It’s density is 2.56 grams/cubic centimeter. What is the volume?
Solution:
D=m/v
2.56 g/cc=41.2g/V
V= 41.2/2.56
V= 16.1 ml

8. Charcoal has a density of 0. 40 grams/ cubic centimeter
Charcoal has a density of 0.40 grams/ cubic centimeter. Calculate the mass of the sample with a volume of cubic centimeters.
Solution:
D=m/v
M=D x V
M= .40 g/cc x cc
M= 85 grams

9. Specific gravity
The ratio of density of a substance to that of a standard (usually water)
Specific gravity= D substance (g/ml)/D water (g/ml)
Specific gravity= Number (no units)
D sample > D water (1 g/ml) the sample sinks
D sample < D water (1 g/ml) he sample floats

10. In a cooler which cans would you find on top –diet coke or regular coke?