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vocab_3.3_am
Question | Answer |
---|---|
when does vaporization take place | at the surface of a liquid and occurs when the temperature is below the boiling point |
What is a phase change | is the reversible physical change that occurs when on state of matter changes to another. |
what is endothermic | a description of a change in which a substance absorbs energy from its surroundings |
what is heat of fusion | an energy a substance must absorb in order to change from a solid to a liquid |
phase change | energy is either absorbed or released during a phase change |
what is exothermic | a description of a change in which a substance releases energy to its surroundings. |
melting and freezing | the arrangement of molecules in water become less orderly as water melts and becomes orderly when it freezes |
what is vaporization | the phase change in which substance changes from a liquid to a gas. |