1 / 14

States of matter

States of matter. 3. Solid. Def. shape & volume Packed tightly Vibrations Crystals – pattern Amorphous – easily move. Liquid. Def. volume, not shape Further apart, movement! Fluid – substance that flows Surface tension – skin – pull toward Viscosity – resistance of a liquid to flow.

Download Presentation

States of matter

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. States of matter 3

  2. Solid • Def. shape & volume • Packed tightly • Vibrations • Crystals – pattern • Amorphous – easily move

  3. Liquid • Def. volume, not shape • Further apart, movement! • Fluid – substance that flows • Surface tension – skin – pull toward • Viscosity – resistance of a liquid to flow

  4. gas • No def. shape/volume • Far apart, most movement

  5. Changes in state Solid - liquid Liquid - solid • Melting – break free • 0 C • Freezing – begin forming patterns

  6. Phase changes Liquid - gas Gas - liquid • Gains energy • Vaporization – def. • Boiling – within liq. • Evap – surface • Air pressure affects • 95 degrees C for Denver • Condensation • Loses thermal energy

  7. Solid - gas • Sublimation – gains energy

  8. III measuring gases • Volume – cm3 • Temp increase, increase motion of gas • 500 meters/sec. 2x that of a jet • Pressure – force on walls of container. Pascals

  9. Pressure and volume • Boyles Law . Increase vol. decrease pressure • Helium balloon decrease air press, increase vol of balloon

  10. Pressure and temp • Increase temp, increase pressure in constant volume (container that’s rigid) • Hot tires . . Expand.

  11. Volume and temp – Charles’ Law • Charles Law – increase temp, increase vol. Decrease temp, decrease the volume of the gas. The molecules move closer together and take up less space.

  12. Boyle’s Law • It’s backwards!!! Meaning if you increase the volume, you decrease the pressure!!! Or, if you decrease the volume, you increase the pressure.

  13. Graphing Gas Behavior Temp (degrees C) Volume (mL) 0 50 10 52 20 54 30 56 40 58 50 60 60 62 70 63 80 66 90 67 100 69

  14. Pressure and Volume • Volume (mL) Pressure (kPa) • 300 20 • 250 24 • 200 30 • 150 42 • 100 58 • 50 120

More Related