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Understanding Density: Equation and Particle Model

Particle model of matter • States of matter and density

Key concepts

What you'll likely be quizzed about

  • Density is calculated using the formula: Density = Mass/Volume.
  • It is expressed in units such as grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³).
  • The density of a material reflects how much mass is contained in a given volume.

Flashcards

Test your knowledge with interactive flashcards

How does pressure affect gas density?

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Increasing pressure decreases gas volume and increases its density.

Key notes

Important points to keep in mind

Density = Mass/Volume

A high-density material sinks in low-density fluids

Changes in temperature affect material density

Density varies with pressure in gases

Use hydrometers for liquid density measurements

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