Determining Density

Chapter 2 Section 2pp. 36 - 40

DENSITY

Is a property of matter. Can be measured in either g/mL,

g/cm3 or kg/m3.

is usually measured in g/mL (for liquids) or g/cm3 (for solids).

DENSITY

1 g/cm3 = 1000 kg/m3

To convert from g/cm3 ---> kg/m3, multiply by 1000.

i.e. 0.92 g/cm3 = 920 kg/m3

To convert from kg/m3 ---> g/cm3, divide by 1000.

DENSITY

The density of a material is the same no matter what the size or the shape of the material.

Liquids tend to be less dense than solids of the same material

Water is an exception.

Density

Formula used to calculate density D = m

V

Where D = density (measured in g/cm3)m = mass (measured in g)

And V= volume (measured in cm3)

DENSITY

Density tells how tightly packed the atoms or molecules of a material are.

The density if a hollow object is less than the average density of the material the object is made of.

DENSITY

Complete Solving Problems: Calculating Density – p. 40 of CPO text

And/or Density WS.