In this video Paul Andersen explains how atoms are conserved in a chemical reaction. This can be seen in a chemical equation where the subscripts represent the atoms in the molecule and the coefficients represent the molecules. The...

Long Jane Silver and Senor Ortega analysed the soil sample and saved the cocoa trees! But something’s not right… Did they perform the wrong steps? Was their sample contaminated? This lesson will assess the accuracy, reliability and...

What the heck is gravimetric analysis? Well let's say we want to know how much of a substance is in some mixture. We could toss it in solution and cause it to form a precipitate with some other ion in solution. We can measure the mass of...

Long Jane Silver landed a sweet cocoa deal with a local farmer, Senor Ortega. But when a supply ship barely survives a storm, the pirates and Ortega join forces to save the cocoa farm! This lesson will unearth the steps in gravimetric...

Watch Cookie struggle after the pirates had a late night out on the seven seas. They should be awake after eating 90% dark chocolate and drinking a strong (10 000%) coffee! This lesson will introduce the technique of gravimetric...