6.3 changes of state Flashcards
What is the melting point of a pure substance?
The melting point is the temperature of which it melts in a pure substance
What is the temperature of which a pure substance solidifies?
A pure substance lead advised at the same temperature that it melts at
What is the boiling point of a pure substance?
It’s boiling point is the temperature of which it boils?
What is the temperature of which a pure substance condenses?
It condenses at the same temperature as it boils
What is energy used for in a pure substance?
Energy is needed to melt a solid to boil a liquid
At what state does boiling occur?
Boiling occurs throughout a liquid at its boiling point
Where does evaporation occur?
At the surface of a liquid when it’s temperature is below its boiling point
What does the flat section of a temperature time graph give?
It gives the melting point of the boiling point of a substance
What is the melting point of a pure substance?
The temperature of which pure substance melts or freezes
What is the boiling point of a pure substance?
The temperature at which pure substance boils or condenses
What is the freezing point of a pure substance?
The temperature at which pure substance freezes
