UTC: Thursday, February 21st, 2019

All creatures great and small and 2016, 6

All things bright & beautiful, all creatures great and small. Remember that hymn? We often talk about remembering the little things, well here’s a lesson in remembering the big things as well! This post started life with an entirely different title. It was initially called, Should I ignore ‘-x’ in my ICE table? I started writing […]

AP Chemistry State of the Union – April 2016

When Paul Price speaks about AP Chemistry, you’d better listen. Why? Because he is the co-chair of the AP Chemistry Test Development Committee (TDC), and as such, his words carry more weight in this matter than just about anybody on the planet. He’s the closet thing that we have to the AP Chemistry Czar that […]

Le Châtelier’s principle in action

Following the mention of the cobalt(II) complex ion system in this post from a couple of days ago, here’s a 30 second video clip of Le Châtelier’s principle in action in the same (with The Smiths). The equilibrium that is set up is this, [Co(H2O)6]2+(aq) + 4Cl–(aq) ⇌ [CoCl4]2-(aq) + 6H2O(l) and the aqueous solution […]