Khan Academy: Refraction and Light Bending

Holding a conversation underwater has its challenges. Sound and light waves can travel in different mediums, but it affects their waves. The video explains the process of refraction and diffraction and how it relates to energy waves. 

Khan Academy presents the rules and processes of naming alkanes and cycloalkanes. [12:34]

This article from Khan Academy provides information about refraction and Snell's Law. This information is intended for high school physics.

This article from Khan Academy provides information about refraction in water. This information is intended for high school physics students.

An introduction to oxidation states, oxidation, and reduction. Find some tips for remembering oxidation and reduction. [10:09]

An introduction to mechanisms and the rate determining step. Review the example of finding rate law of multistep reaction with an initial slow step. [8:36]

Explaining group and period trends in atomic and ionic radii. [11:26]

A video lecture explaining elements and their differing properties. Also discussed is how elements relate to atoms and the particles that make up an atom. [13:08]

A video lecture that discusses how elements relate to atoms. Also discussed are protons, electrons, and neutrons. [13:08]

A video lecture showing you how to name acyl (acid) chlorides and acid anhydrides. Also understand how to analyze the physical properties of the acyl (acid) chlorides and acid anhydrides. [10:19]