Phase Changes Flashcards
1
Q
Phase Changes
A
changes in temp and/or pressure result in changes of phases
2
Q
Temprature affects..
A
how fast particles move
3
Q
Pressure affects…
A
how packed the particles are
4
Q
Phase Changes are… —– changes
A
physical changes
5
Q
Melting
A
solid -> liquid (endothermic - heat is absorbed)
6
Q
Vaporization/Evaporation
A
liquid -> Gas (endothermic - heat is absorbed)
7
Q
Sublimation
A
solid -> gas (endothermic - heat is absorbed) ex. dry ice + iodide
8
Q
Condensation
A
gas -> liquid (exothermic - release of heat)
9
Q
Freezing
A
liquid -> solid (exothermic - release of heat)
10
Q
Deposition
A
gas -> solid (exothermic - release of heat)
