When a car moves...
When a car accelerates, which direction will our body move? And why? Answer: Remember Inertia? Since you have mass, you will...
Law of Conservation of Mass
This is by a French scientist Antoine Lavoisier and basically says: Mass cannot be created or destroyed during any chemical or physical...
Ratios
Ratios basically tell you the relationship between two or more quantities. Seems difficult, but it's not, and it's essential in lots of...
Molarity vs Molality
Before you move on, make sure you are familiar with these concepts first: -Solutions -Molarity -Molality A lot of people why we use...
Molality
Molality is another measurement of concentration. Unlike molarity, which looks at the concentration through the volume of the solution,...
Molarity
Molarity finds the concentration of a solution. Concentration is how many particles of the solute are there in a solvent. Be familiar...
Solute, Solvent, Solution
These are vocabulary you HAVE to memorize and know! Solute: The thing being dissolved. Can be solid, gas or liquid. Example: Salt in...
Density
Take 1 L of molten lead and 1 L of water and weigh them and you will find the litre of molten lead weighs much heavier. Take 1 mL of...
Volume
Volume is how much space an object takes up. Common units include litres (L), millilitres (mL), and cubic metres (cm^3). We commonly use...
