Particles and Density How does the arrangement of particles effect density ? How is density calculated ?

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Presentation transcript:

Particles and Density How does the arrangement of particles effect density ? How is density calculated ?

What material has the greatest density ?

Density is how much mass is packed into a certain space or volume. Density is measured in g/cm3 or kg/m3. Water density at 200C is 1g/cm3. Copper density at 200C is 8.92g/cm3. Density of lead at 200C is 11.42 g/cm3.

Gas Density and State Solid Liquid Most substances get less dense as their temperature increases and they change state. Gas Liquid Solid

….. except water ! 0.9167 g/cm3 1 g/cm3

Calculating Density Worked example: Calculating density of aluminium:

Calculating Volume for irregular shapes