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...
Moles and Molecules - the Concept
When dealing with elements and atoms, things get pretty small so they become pretty confusing (usually). So let's go big and understand...
Question and Engage
"...when I ask that kind of a question in class, 80 percent of the studentsare still scribbling the last thing I said, 15 percent are...
Photosynthesis
All living things need energy. Where does energy come from? Respiration. Let's first recall the equation for respiration: glucose +...
Organic and Inorganic Compounds
Organic Compounds: All contain Carbon in them and often Hydrogen to form hydrocarbons. Organic compounds are compounds produced by living...
Ripple of Hope
"Each time a man stands up for an ideal, or acts to improve the lot of others, or strikes out against injustice, he sends forth a tiny...
Answers
"Computers are useless. They can only give you answers." -Pablo Picasso Answers can't make you think. Answers can't teach you. Answers...