Phase Diagrams
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11 Terms
TERM
Solid
DEFINITION
A state of matter that has a definite shape and a definite volume
TERM
Liquid
DEFINITION
A state of matter that has no definite shape but has a definite volume.
TERM
Gas
DEFINITION
A state of matter with no definite shape or volume
TERM
Critical Point
DEFINITION
temperature & pressure at which the liquid & gas states of matter have similar densities & are indistinguishable
TERM
Triple Point
DEFINITION
equilibrium between all three phases; solid, liquid, & gas coexist
TERM
Deposition & Sublimation
DEFINITION
Deposition: Gas to Solid (Exothermic)
Sublimation: Solid to Gas (Endothermic)
TERM
Melting and Freezing
DEFINITION
Melting: Solid to Liquid (endothermic)
Freezing: Liquid to Solid (exothermic)
TERM
Vaporization and Condensation
DEFINITION
Vaporization: (aka Evaporation) liquid to gas (Endothermic)
Condensation: gas to liquid (exothermic)
Standard Temperature and Pressure (STP)
A temperature of 273 K (0 degrees Celsius) and a pressure of 1.00 atm
normal freezing/melting point
freezing/melting point at 1 atm
normal boiling point
boiling point at 1 atm
