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PHASE CHANGES OF MATTER AND CHEMISTRY

NAME___________________________PER____
MOH CHEMISTRY RCecena
Across
Temperature at which a solid melts
Liquid water is more ____ than solid water
Matter can change ___ if energy is absorbed or released
Particles in this phase have freedom to move around one-another due to their KE
Then phase of matter with highest kinetic energy
Particles move ___ if the process of phase change is endothermic
Opposite of subliming
Particles move ___ if the process of phase change is exothermic
As the temperature ____ the particles in a sample move less
Increases when a solid turns into a liquid or a liquid into a gas
Phase change from liquid to gas
For water this is 100 Celsius
As the temperature ___ the particles in a sample move more
Down
Solid particles only ____ in place
Phase change from solid to liquid
In this phase the particles in a sample have the lowest KE
Solid Carbon dioxide(dry ice) can do this
This substance expands when changing from liquid to solid
Opposite of melting
Phase change from gas to liquid