Feb 29, 2024 | 2022 Exam, AP, AP TOPIC 07, Equilibrium |
While I was recently updating the Mapped AP FRQ Worksheets to add the 2021, 2022 and 2023 FRQs, I came across multiple errors in the Chief Examiner’s reports for 2021 and 2022. Here’s a summary of those errors. 2021 I have found two errors in the 2021...
Jan 15, 2024 | Acid-Base, AP, AP TOPIC 07, AP TOPIC 08, Equilibrium |
The annual student struggle with acid-base chemistry usually revolves around questions that deal with weak acids and bases. If you pause to think about that for a moment, the difficulties are actually centered around equilibrium rather than acid and base chemistry....
Oct 6, 2020 | AP, CED 2019, Equilibrium |
Here’s a common question that I was asked once again today; Adrian, why do some of your materials point to equilibrium problems that contain the need for quadratic equations, when we know that type of math will not be tested on the AP chemistry exam? In other...
Jun 15, 2016 | Acid-Base, AP, Big Idea 6, Equilibrium, Ksp, Le Châtelier |
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...
Feb 27, 2016 | 2013-14 Curriculum, Big Idea 6, Equilibrium |
We’ve lived through the nonsense of the inclusion of PES in the new AP Chemistry curriculum. Many think the exclusion of quantum numbers, stinks. Some people HATE the removal of colligative properties from the course. For me, these (and other things) provoke...
Feb 24, 2016 | AP, Big Idea 6, Equilibrium, Writing Good Answers |
Here’s the latest in the ‘writing good answers’ series, Writing good answers to AP Equilibrium problems. This post only deals with aspects of equilibria such as Kc, Kp, Ksp and Le Châtelier’s Principle – I’ll deal with Acid-Base...