Chances are you don’t know the history of acid and bases. You think just because you haven’t had to know about them before or you have forgotten about them, then they simply don’t matter all that much. Understanding the history of scientific discovery changes the way you see the present. It offers you a glimpseContinue reading “History of acid and bases”
Category Archives: Year 12 Chemistry
Edzion email homework answers
Our Edzion email homework answers archive. If you haven’t already signed up for the free homework questions, sign up here. Check out our open-access interactive textbooks here 29/11/22 Homework to build your HSC Foundations This week in the edzion email homework answers: Biology Genetic flow is a gradual change in: a) the alleles of anContinue reading “Edzion email homework answers”
Gibbs free energy is foundational for HSC chemistry
The universe is ever growing into more and more chaos. This is a law of thermodynamics. Gibbs free energy is able to tell us whether a reaction will occur. The three factors which influence this are whether the reaction creates chaos, whether heat will be released and what the temperature is. Learn. Gibbs free energyContinue reading “Gibbs free energy is foundational for HSC chemistry”
HSC Chemistry Past Papers and Answers
Looking through and studying HSC Chemistry past papers often will reveal questions which are frequently asked. Learning to spot these common trends and having ‘perfect’ answers already up your sleeve is a great way to get on track to earn a band 6 in the chemistry HSC exam. HSC Chemistry formula sheet – annotated OpenContinue reading “HSC Chemistry Past Papers and Answers”
Solubility Rules Mnemonic – NAG SAG
Learn. Ever wondered how on earth you would remember your solubility rules for the HSC? Look no further then NAGSAG. Here is a more comprehensive list of your solubility rules! Remember, the NAGSAG acronym is sufficient for your HSC chemistry exams. The list below is something you build an intuition for, rather then going inContinue reading “Solubility Rules Mnemonic – NAG SAG”
HSC Titration Questions
Purpose of titrations, principle of titrations, analytical techniques, understanding indicators, setting out a titration calculation
