Chemical vs Physical
Ice melting
Physical
H
element
What is the solvent in Seawater?
Water
My tea is too sweet
High concentration of Sugar
Firework going off
Chemical
H2O
Compound
The substances being dissolved (solid)
Adding water
dilution
Taking a bite of food
Physical
How many atoms of Nitrogen are in NH3
1
Lemon juice, Sugar
Increase the concentration of salt water
Add solute
Saliva breaking down food
Chemical
O2
Element
The universal Solvent
Water
adding salt to water
Increase concentration
Lighting and burning a candle
How many atoms are in this compound C6H12O6?
24
Three ways to speed up the rate of dissolution
Agitate, Temperature, Surface area
boiling water
Increase concentration