changes of state Flashcards
(7 cards)
1
Q
What is latent heat?
A
Latent heat - energy transferred to the substance when it changes state
2
Q
Whats the difference between boiling and evaporation?
A
Boiling occurs throughout a liquid at its boiling point - evaporation occurs from the surface of a liquid when its temperature is below it boiling point
3
Q
The flat section of a temperature-time graph
A
Gives the melting point or the boiling point of a substance
4
Q
internal energy
A
internal energy is the total kinetic and potential energy of all the particles in an object due to their motion ad position
5
Q
description of particles in a solid
A
6
Q
description of particles in a gas
A
7
Q
description of particles in a liquid
A
