Unit 1 Flashcards
Solid to liquid
Melting
Solid to gas
Sublimation
Liquid to solid
freezing
liquid to gas
evaporation
gas to liquid
condensation
gas to solid
deposition
what is deposition
gas to solid
what is condensation
gas to liquid
what is sublimation
solid to gas
what is melting
solid to liquid
what is evaporation
liquid to gas
what is freezing
liquid to solid
if more energy is given off than goes in, the reaction is ______
exothermic
if more energy is going in that is giving off, the reaction is ______
endothermic
what is the difference between endothermic and exothermic
endo - energy is being absorbed
exo - more energy is given off.
What type of mixture are when components mix evenly
homogeneous
what type of mixture when components do not mix evenly
heterogeneous
endo or exo?
melting
endo (adding energy)
endo or exo?
evaporation
endo (adding energy)
endo or exo?
sublimation
endo (adding energy)
endo or exo?
freezing
exo (removing energy)
endo or exo?
deposition
exo (removing energy)
endo or exo”
condensation
exo (removing energy)
What is a chemical change?
when elements combine to form compounds or a change that forms a new compound
What is a physical change
A change that does not change the identity of a substance.
What is chemisty?
The study of matter and its changes.