Hobbies - 2

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imgtutorial

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".
Views 1327 | Rating 9 | Comments 2| Date Aug 15, 2007
imgtutorial

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.
Views 5662 | Rating 7 | Comments 1| Date Aug 14, 2007
imgtutorial

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...
Views 858 | Rating 4 | Comments 0| Date Aug 12, 2007
imgtutorial

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!
Views 4652 | Rating 34 | Comments 3| Date Aug 12, 2007