1. Characteristic physical properties

2. Learning goals
We are learning examples of characteristic physical properties.
We are learning to calculate the density of substances by using a formula.

3. Well, what are they? Physical properties unique to a substance
Can be used to identify a pure substance
Density, freezing/melting point, and boiling point

4. density Ratio of a substance’s mass and volume
Units are g/cm3 for solid and g/mL for liquids
Amount of matter per unit volume of that matter
It’s all about the bass… I mean the particles

5. calculations
Mass = Density x Volume

6. GRFS
Given
Required to find
Formula
Solve

7. Example #1
A sample of pure zinc has a mass of 4.50 g. It’s density is 7.13 g/cm3. Calculate its volume.

8. Example #2
Three grams of pure copper has a volume of 3.75 cm3. Calculate its density.

9. Example #3
Gold has a density of g/cm3. Calculate the mass of a gold bar that is 18 cm long, 9.21 cm wide, and 4.45 cm high.

10. Example #4
Calculate the density of a substance that has a mass of 4.5g and a volume of 13.5mL.

11. Example #5
Given the density of aluminum is 2.70 g/cm3, what volume would 200g have?

12. Example #6
The density of ethanol is g/mL. What is the mass of a sample with a volume of 125 mL?

13. Learning goals
We are learning examples of characteristic physical properties.
We are learning to calculate the density of substances by using a formula.

14. Please complete
Textbook 5.6: #1,5,7,9,10.