Changes in State Flashcards
What is a change in the state?
A change in a substance’s physical form, from one state to another
Between solids liquids and gases
Solid to Liquid
melting
Liquid to Gas
Boiling or evaporation
Gas to Liquid
Condensing
Liquid to Solid
Freezing
Solid to Gas
Sublimation
What kind of change is a change of state?
Physical change, meaning it can be reversed and can go back to its original properties and has only been arranged differently (substance hasn’t changed)
When you boil or melt a substance you are…
Increasing the internal energy
What is the energy used for?
Breaking intermolecular bonds between the particles without raising the temperature.
Draw a heating and cooling graph.
Check CGP