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After reading Section 10.4, you should know: How to interpret a phase diagram What the triple point is What sublimation is. Changes of State Section 10.4. States of Matter. Solid. Liquid. Gas. Has definite shape and volume Molecules are tightly packed

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changes of state section 10 4

After reading Section 10.4, you should know:

  • How to interpret a phase diagram
  • What the triple point is
  • What sublimation is

Changes of StateSection 10.4

states of matter
States of Matter

Solid

Liquid

Gas

  • Has definite shape and volume
  • Molecules are tightly packed
  • Most are crystalline and have a repetitive structure
  • Has no definite shape, but has definite volume
  • Molecules are less tightly packed and can slide past each other
  • Molecules have a small attraction toward each other
  • Has no definite shape or volume
  • Molecules are free to move about
  • Molecules fill the container they are in

http://www.harcourtschool.com/activity/states_of_matter/

phase diagram for water
Phase Diagram for water

Normal boiling point

Normal melting point

Triple Point – the only set of conditions at which all 3 states of matter exist in equilibrium

sublimation
Sublimation
  • The change from a solid directly to a gas without going through the liquid state
  • Example: Dry Ice
after reading section 10 4 you should know
After reading Section 10.4, you should know:
  • How to interpret a phase diagram
  • What the triple point is
  • What sublimation is
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