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Ch 20

Vocabulary

QuestionAnswer
occurs when a solid turns to a gas and skips the liquid state sublimation
physical change showing a liquid change to a gas vaporization
physical change showing a gas change to a liquid condensation
the amount of matter in an object mass
physical property that measures force weight
the point when a liquid changes to a gas boiling point
the point when a solid changes to a liquid melting point
state that matter cannot be created or destroyed during physical/chemical changes law of conservation of mass
change that does not alter internal composition and are reversible physical changes
change that is non-reversible and is evident by changes in temperature, color and odor chemical changes
cannot be observed without changing chemical composition (examples are: state, color, weight and density) physical property
property that cannot be observed unless internal composition is altered chemical property
physical property describing the amount of mass per unit of volume density
can a substance dissolve into another solubility
when a gas turns into a solid deposition
Created by: sonjajames
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