Dissolving Flashcards
What does dissolving mean
When a solute is mixed with a solvent
What does solvent mean
It is a liquid that is able to dissolve a solute.
What is a solute
A solid that is able to dissolve in a solvent.
What is a solution
When solvent and solute are mixed
Why does sugar disappear when you start to stir your tea
The sugar crystals are broken into molecules. Molecules are too small to see.
How do you know the sugar is still there
The tea is sweet.
What are molecules
Atoms held together by chemical bonds.
What does soluble mean?
When a solid can dissolve in a solute.
Insoluble meaning
When a solid cannot dissolve in a solvent.
What does concentration mean?
The mass of molecules dissolved in a particular volume of liquid is called the concentration.
What’s a concentrated solution?
If there are a lot of molecules dissolved it is a concentrated solution.
What’s a dilute solution?
If there are not many molecules dissolved
High the temperature the greater the what?
Solubility
Why does solubility of solute increase when the temperature increases?
As the temperature increases, the water molecules move faster and break down the solute more into molecules.
