Khan Academy
Khan Academy: Half Life and Carbon Dating
Carbon dating is a real-life example of a first-order reaction. This video explains half-life in the context of radioactive decay. [12:28]
Khan Academy
Khan Academy: More Exponential Decay Examples
Sal dives in even deeper with a few more examples of exponential decay. Practice calculating k from half-life, and calculating initial mass. [7:21]
Khan Academy
Khan Academy: Exponential Decay and Semi Log Plots
Practice using exponential decay equation to solve for relationship between k and half-life. Further learning by using semi-log plot to get graph of a straight line with slope of -k. [10:16]
Khan Academy
Khan Academy: Representing Structures of Organic Molecules
Sal Khan presents structures of organic molecules using line (or line-angle) diagrams. [7:28]
Khan Academy
Khan Academy: Naming Simple Alkanes
Naming simple linear and cyclic alkanes is explained by Sal Khan in a video. How do alkanes and alkenes differ? [9:27]
Khan Academy
Khan Academy: Naming Alkanes With Alkyl Groups
Sal reviews the process of naming linear alkanes with branching starting from the structure and drawing the structures based on the name. [11:04]
Khan Academy
Khan Academy: Alkane With Isopropyl Group
Sal Khan reviews the naming conventions for alkane chains that have an isopropyl group branch. [8:14]
Khan Academy
Khan Academy: Naming a Cycloalkane
Sal Khan reviews the naming conventions of cycloalkanes in a video. Cycloalkanes are molecules with carbon rings that are only single bonded to other atoms. [7:38]
Khan Academy
Khan Academy: Naming Two Isobutyl Groups Systematically
Sal Khan explains the systematic naming conventions for molecules with two isopropyl groups. [2:48]
Khan Academy
Khan Academy: Organic Chemistry Naming Examples 4
Sal Khan presents more examples of how compounds are named in organic chemistry. [9:51]
Khan Academy
Khan Academy: Alkane and Cycloalkane Nomenclature Ii
Khan Academy presents the rules and processes of naming alkanes and cycloalkanes. [12:34]
Khan Academy
Khan Academy: Bicyclic Compounds
Jay explains how to name bicyclic compounds. Understand the numbering the chain and how to identifying bridgehead carbons. [10:29]
Khan Academy
Khan Academy: Naming Cubane
Find out how to name alkanes shaped like cubes in this video from Jay at Khan Academy. [5:39]
Khan Academy
Khan Academy: Heats of Combustion of Alkanes
Recognize how to use heats of combustion to compare the stability of isomeric alkanes. [8:43]
Khan Academy
Khan Academy: Newman Projections
Understand what Newman projections are in chemistry while studying alkanes. [14:22]
Khan Academy
Khan Academy: Conformations of Ethane
Investigate how to represent the staggered and eclipsed conformations of ethane. [9:58]
Khan Academy
Khan Academy: Conformational Analysis of Ethane
Understand how to analyze the staggered and eclipsed conformations of ethane. [6:19]
Khan Academy
Khan Academy: Conformational Analysis of Propane
Understand how to analyze the staggered and eclipsed conformations of propane. [7:25]
Khan Academy
Khan Academy: Variation in a Species
Understand how variation can be introduced into a species. [19:52]
Khan Academy
Khan Academy: Chemistry: Introduction to Oxidation States
Using water as an example this video module explores how oxidation numbers are assigned. Also explained is the concept of oxidation states with one elements being oxidized and the other being reduced. Trends of oxidization states are...
Khan Academy
Khan Academy: Trigonometry: Ferris Wheel Trig Problem (Part 2)
Video continues and completes the solution to a word problem about people on a ferris wheel and their height above the ground. Solution includes graphing a cosine function by completing a table and plotting points. [9:08]
Khan Academy
Khan Academy: Differential Equations: What Is a Diferential Equation
Video gives an introduction to what differential equations are and shows how they are different from regular equations. Shows an example of a differential equation and how to check if a given answer is a correct solution to a...
Khan Academy
Khan Academy: Biology: Dna
A detailed introduction to dioxyribonucleic acid, otherwise known as DNA. [28:05]
Khan Academy
Khan Academy: Algebra: Perpendicular Lines
This video demonstrates how to determine if lines are perpendicular given the equations. There are three equations listed but they are not all in slope-intercept form. Practice problems available. [3:29]