chemistry
Building a Ball Mill for Grinding Chemicals
Learn how to build a ball mill for grinding solids into fine powders. Commercial ball mills can cost more than $100, but with this tutorial you'll be able to make one that works just as well for no more than $30!
How to Survive Organic Chemistry Lab
The introductory organic chemistry lab course can be daunting! But with this tutorial, you'll learn some insightful tips and tricks that will help you get a good grade in any organic lab class. This advice comes from the experience of both a student and...
Assigning Oxidation Numbers to Chemical Formulae
This tutorial is for introductory chemistry students. Learn the five easy steps to assigning oxidation numbers to atoms in chemical formulae. Also, I will give you some problems that teachers love to give on tests because they are "tricky".
Synthesizing Pyrophoric Iron (iron that spontaneously ignites)
This tutorial will show you make pyrophoric iron from household chemicals. When this finely-divided form of iron is exposed to air, it spontaneously ignites.
Where to find Household Chemicals
This tutorial will give you all the sources I know of for household chemicals in the United States. This excludes chemical suppliers and ebay. A good majority of these household items are impure sources of chemicals, so in order to obtain just the desired...
Build a Magnetic Stirrer From An Old Computer
Learn how to build a magnetic stirrer from an old computer for use in the home laboratory. It'll cost you almost nothing!
