Blog Archive

Acid-Base

You can teach most of buffers without teaching buffers, if you like

Jun 6, 2022

Routinely, buffers are cited by AP chemistry teachers as the topic that their students find the most challenging. Not necessarily equilibrium, but...

Mar 2, 2022

My short answer is, "yes". Here's more. This has been discussed a lot since 2019 and the general consensus seems to be that it is unlikely that a...

Dec 31, 2021

I quite often hear people say words to the effect of, "A buffer is a solution which does not change its pH when a strong acid or base is added to...

Jan 11, 2017

Ammonia is a pretty ubiquitous chemical substance when it comes to AP Chemistry. Not so much much in terms of actually encountering it in the lab,...

Jun 15, 2016

All things bright & beautiful, all creatures great and small. Remember that hymn? We often talk about remembering the little things, well here's...