Crash Course
Crash Course Physics #28: Electric Current
So, electric current works like a river, kinda. Instead of flowing based on elevation, electric current works a little differently. But it's a good metaphor. In this video episode of Crash Course Physics, Shini talks to us about electric...
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 1 A
A video reviewing over AP Chemistry exam free response problem and answer. Problem discusses how to analyze reactions and cell potential of a metal-air cell. [11:54]
Khan Academy
Khan Academy: 2015 Ap Chemistry Free Response 1 B and C
What happens to the cell potential when there is less oxygen in a zinc-air cell? See this problem worked out on this video that reviews over the free response question for AP Chemistry exam. [7:16]
Khan Academy
Khan Academy: Build Your Own Penny Battery: Materials & Steps
In this video, you'll find the materials and tools you'll need to build your own penny battery, as well as all the necessary steps. [5:50]
Khan Academy
Khan Academy: Concentration Cell
Concentration cells are galvanic (or voltaic) cells made of two half-cells, each of which contains the same electrodes, but different concentrations. Concentration cells work to establish equilibrium by transferring electrons from the...
Khan Academy
Khan Academy: Shorthand Notation for Galvanic/voltaic Cells
This video lesson explains how to describe a galvanic and voltaic cells using shorthand notation. This information is intended for college students who are taking courses in the health and medical fields.