Ch. 2 Matter-2D
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15 terms
Terms | Definitions |
|---|---|
 Changes of State and Temperature | temperature pressure |
| Temperature and Pressure | factors affecting state |
| Temperature | measure of thermal energy |
| Phase Change | change in shape |
| Melting | solid - liquid |
| Mixture of different substances | depend on the proportion of substances in the mixture |
| Freezing | liquid - solid solidifying |
| Solidifying | liquid - solid substances other than water |
| Vaporization | liquid to gaseous state |
| Rate of Vaporization | how fast vaporization is temperature vapor pressure |
| Vapor Pressure | vapor state of a liquid exerts a pressure |
| Boiling | affected by the atmospheric pressure when the vapor pressure exceeds throughout liquid wherever the temperature is at or exceeds the boiling point rapid changing to a gas |
| Evaporation | occurs between the melting and boiling points rate depends on temperature vapor occurs at surface |
| Sublimation | solid - gaseous state Example: mothballs and dry ice |
| Condensation | gas- liquid example: dew depend on vapor temperature and vapor pressure |
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