Kinetic Theory Flashcards
When a liquid changes to a gas it
Evaporates (evaporation)
When a gas changes to a liquid it
Condenses (condensation)
When a liquid changes to a solid it
Freezes
When a gas turns to a solid it
(Sublimes) Sublimation
Is a solids shape fixed?
Yes
Is a liquids shape fixed?
No it takes the shape of the container
Is a gases shape fixed?
No it fills the entire container becoming gradually more dilute
Is a solids volume fixed
Yes
Is a liquids volume fixed?
Yes
Is a gases volume fixed?
No
What is the particle movement like in a solid?
Vibrate from side to side
What is the particle movement like in a liquid?
Move around each other
What is the particle movement like in a gas?
Random in all directions
How strong is the forces of attraction between particles in a solid?
Strong
How strong is the forces of attraction between particles in a liquid?
Fairly strong
How strong is the forces of attraction between particles in a gas?
Weak
What is the particle energy like in a solid?
Low energy
What is the particle energy like in a liquid?
Medium energy
What is the particle energy like in a gas?
Lots of energy
Examples of a solid at temperature room?
Wood/pencil
Examples of a liquid at room temperature?
Water
Examples of a gas at room temperature?
Air/oxygen/carbon dioxide
Did the water in the experiment feel cold?
Yes
Did the water in the experiment evaporate?
Yes but slowly
Did the oil feel cold in the experiment?
No
Did the oil evaporate in the experiment?
No you have to wipe it off
Did the ethanol feel cold in the experiment?
Yes it was the coldest
Did the ethanol evaporate in the experiment?
Yes it evaporated the fastest
What is the boiling point of pure water?
100 degrees
What is the freezing point of pure water?
0 degrees
When a solid changes to a liquid it
Melts (melting)