Instructables: exploring - technology - science - physics - chem http://www.instructables.com Sun, 20 Apr 2014 05:23:25 PDT BLOX v1.01 How to Demonstrate Surface Area and Reaction Rate (Flour Bomb) http://www.instructables.com/id/Flour-Bomb-1/ http://cdn.instructables.com/FMK/XOV8/FBU346T5/FMKXOV8FBU346T5.SQUARE2.jpg http://cdn.instructables.com/FMK/XOV8/FBU346T5/FMKXOV8FBU346T5.SQUARE.jpg http://cdn.instructables.com/FMK/XOV8/FBU346T5/FMKXOV8FBU346T5.SMALL.jpg kentchemistry.com This experiment involves any flammable powder, a paint can and a lit candle. Inside the sealed paint can, a dangerous explosion occurs when an air suspension of a flammable powder is ignited. Put less than a teaspoon of lycopodium on a piece of filter paper positioned on a tripod and using a lighted...
By: kentchemistry.com

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Mon, 28 Jan 2008 10:58:08 PST
How to Instantly Freeze Soda http://www.instructables.com/id/Instantly-Freeze-Soda/ http://cdn.instructables.com/FG4/PZVC/FBU346UJ/FG4PZVCFBU346UJ.SQUARE2.jpg http://cdn.instructables.com/FG4/PZVC/FBU346UJ/FG4PZVCFBU346UJ.SQUARE.jpg http://cdn.instructables.com/FG4/PZVC/FBU346UJ/FG4PZVCFBU346UJ.SMALL.jpg kentchemistry.com This works with any carbonated beverage . Take your beverage and cool it down to a temperature around 20F or -7C.Either the freezer or outside if it is cold enough. When opened it will freeze instantly. The reason: This demonstrates the principle of freezing point depression. Pure water at 1 atm wi...
By: kentchemistry.com

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Thu, 24 Jan 2008 20:14:02 PST