Changes of State (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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Mass during state change
Mass during state change
Conserved
Mass of gas from 20g evaporated liquid
Mass of gas from 20g evaporated liquid
20g
Changes of state reversibility
Changes of state reversibility
Reversible
Type of change: changes of state
Type of change: changes of state
Physical changes, not chemical
Properties after reversing state change
Properties after reversing state change
Material retains original properties
Melting process
Melting process
Solid to liquid
Freezing process
Freezing process
Liquid to solid
Boiling process
Boiling process
Liquid to gas
Condensation process
Condensation process
Gas to liquid
Sublimation process
Sublimation process
Solid to gas
Deposition process
Deposition process
Gas to solid
Where does evaporation occur?
Where does evaporation occur?
Only on the surface of liquid
Why can only surface particles evaporate?
Why can only surface particles evaporate?
Only they have enough energy
Solid heating up reaches
Solid heating up reaches
Melting point
Liquid heating up reaches
Liquid heating up reaches
Boiling point