Phases, transition of phases and separating mixtures
10 important questions on Phases, transition of phases and separating mixtures
Which unit do we normally use to describe temperature?
Where is the phase of a substance determined by?
the position of the molecules
What do molecules do in gas?
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What is the triangle of phases?
Where is the temperature at which a substance will met or evaporate influenced by?
What is van der Waals forces or van der Waals interaction?
•Force thatkeepsmoleculestogether(The largest in solids)
•Dependend on mass of molecule (The largerthemass, thebiggerthe ‘van der Waals interaction’)
What causes another difference in boiling point?
Give examples of pure substances?
What happens when melting or boiling a mixture?
What is separation of mixture?
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