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Chapter 2-UnitB

Physical/Chemical Properties

QuestionAnswer
The characteristics of a substance that can be observed without changing the identity of the substance. Physical Properties
A measure of the amount of matter present in a given volume of a substance. Density
A change in the physical property, not the substance itself.Reversible Physical Change
The change of one substance into another stubstance.Irreversible Chemical Change
Describes how substances can form new substances. Chemical Properties
A process by which a liquid becomes a gas. Evaporation
When a solid changes directly into a gas. Sublimation
When a gas changes into a liquid. Condensation
A process by which a solid becomes a liquid. Melting
The lowest temperature at which a substance begins to melt. Melting Point
A process by which a liquid becomes a solid. Freezing
The temperature at which a specific liquid becomes a solid. Freezing Point
Created by: jenn026lk
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