Teacher's Pet
Hydrogen Ions and Acidity
Learn about the basis of the pH scale and how to do some pH and pOH calculations in this video! Transcript _____________________ When water gains a hydrogen ion, it becomes hydronium, H3O+. When water loses a hydrogen it becomes...
Socratica
Chemistry: What is pH—How to Calculate pH
Is it better to drink an acid or a base? An informative video explains what pH is and how to calculate it. As part of a larger chemistry playlist, it features both the Arrhenius and Bronsted-Lowry definitions. It also demonstrates...
Be Smart
How Many Species Are There?
Scientists discover over 15,000 new species each year. Despite studying life on our planet for all of human history, we still don't know how many species exist on Earth. An informative video from a biology playlist presents the dilemma,...