http://www.instructables.com Tue, 18 Jun 2013 17:36:05 PDT BLOX v1.01 http://www.instructables.com/id/Demonstrating-the-Fiber-Optic-Effect-of-Water/ http://www.instructables.com/files/deriv/F27/SA9P/FEEMAP2B/F27SA9PFEEMAP2B.SQUARE2.jpg http://www.instructables.com/files/deriv/F27/SA9P/FEEMAP2B/F27SA9PFEEMAP2B.SQUARE.jpg http://www.instructables.com/files/deriv/F27/SA9P/FEEMAP2B/F27SA9PFEEMAP2B.SMALL.jpg kentchemistry.com You need a clear container and a laser. Poke a small hole an inch from the bottom of container for the water to stream out of. Fill the container with water and cap it. Aim the laser through the container and out the hole and open the cap. Check out the cool effect in the video.
By: kentchemistry.com

Continue Reading »]]> Thu, 27 Mar 2008 14:56:07 PDT http://www.instructables.com/id/Alcohol-Rocket-Engine/ http://www.instructables.com/files/deriv/FDQ/EUG1/FBU346UR/FDQEUG1FBU346UR.SQUARE2.jpg http://www.instructables.com/files/deriv/FDQ/EUG1/FBU346UR/FDQEUG1FBU346UR.SQUARE.jpg http://www.instructables.com/files/deriv/FDQ/EUG1/FBU346UR/FDQEUG1FBU346UR.SMALL.jpg kentchemistry.com The demonstration is performed with a dry five-gallon (20-Litre)water jug. A volume of 5.0 mL of methanol is added to the jug. The jug is capped and shaken for 30 seconds. After removing the top, excess ethanol is shaken from the jug, and placed in a stoppered container away from the demonstration t...
By: kentchemistry.com

Continue Reading »]]> Mon, 4 Feb 2008 09:52:02 PST http://www.instructables.com/id/Mini-Volcano/ http://www.instructables.com/files/deriv/FU1/VH02/FBU346UA/FU1VH02FBU346UA.SQUARE2.jpg http://www.instructables.com/files/deriv/FU1/VH02/FBU346UA/FU1VH02FBU346UA.SQUARE.jpg http://www.instructables.com/files/deriv/FU1/VH02/FBU346UA/FU1VH02FBU346UA.SMALL.jpg kentchemistry.com This chemical volcano is a result of the decomposition of Ammonium Dichromate. A decomposition reaction (aka analysis reaction) follows the general formula below A-- B + C A compound breaks down into smaller components. This is the demonstration of the decomposition of Ammonium Dichromate (NH4...
By: kentchemistry.com

Continue Reading »]]> Sat, 2 Feb 2008 10:07:20 PST http://www.instructables.com/id/Vacuum-Chamber-Project-4-Freezing-while-Boiling-/ http://www.instructables.com/files/deriv/FFV/MHC4/FBU37ALM/FFVMHC4FBU37ALM.SQUARE2.jpg http://www.instructables.com/files/deriv/FFV/MHC4/FBU37ALM/FFVMHC4FBU37ALM.SQUARE.jpg http://www.instructables.com/files/deriv/FFV/MHC4/FBU37ALM/FFVMHC4FBU37ALM.SMALL.jpg kentchemistry.com This can actually happen. It seems unnatural, but the laws of physics don't lie. Liquids require heat to boil, and if the conditions are right one liquid can be boiled in order to freeze a second. Under a vacuum, the water in an acetone/water mixture can freeze while the acetone boils. Watch the vid...
By: kentchemistry.com

Continue Reading »]]> Fri, 1 Feb 2008 10:44:58 PST http://www.instructables.com/id/Make-Gold-And-Silver-Pennies/ http://www.instructables.com/files/deriv/FZC/ZHB2/FBU346VB/FZCZHB2FBU346VB.SQUARE2.jpg http://www.instructables.com/files/deriv/FZC/ZHB2/FBU346VB/FZCZHB2FBU346VB.SQUARE.jpg http://www.instructables.com/files/deriv/FZC/ZHB2/FBU346VB/FZCZHB2FBU346VB.SMALL.jpg kentchemistry.com Turn pennies from copper to silver then to gold with a few household chemicals.
By: kentchemistry.com

Continue Reading »]]> Thu, 31 Jan 2008 11:54:44 PST http://www.instructables.com/id/Liquid-Nitrogen-Explosion/ http://www.instructables.com/files/deriv/FOR/YM5H/FBU346TL/FORYM5HFBU346TL.SQUARE2.jpg http://www.instructables.com/files/deriv/FOR/YM5H/FBU346TL/FORYM5HFBU346TL.SQUARE.jpg http://www.instructables.com/files/deriv/FOR/YM5H/FBU346TL/FORYM5HFBU346TL.SMALL.jpg kentchemistry.com Liquid nitrogen explodes a soda bottle in just a few seconds. Enough to send a bucket a few hundred feet into the air. The set up a strong 5 gallon bucket (no handle), a metal bowl filled 1/2 way with water, a 1 liter plastic bottle fill 1/8of the plastic bottle with liquid nitrogen and cap (***...
By: kentchemistry.com

Continue Reading »]]> Wed, 30 Jan 2008 19:44:22 PST http://www.instructables.com/id/Plasma-from-Grapes/ http://www.instructables.com/files/deriv/FOA/R4AI/FBU346TE/FOAR4AIFBU346TE.SQUARE2.jpg http://www.instructables.com/files/deriv/FOA/R4AI/FBU346TE/FOAR4AIFBU346TE.SQUARE.jpg http://www.instructables.com/files/deriv/FOA/R4AI/FBU346TE/FOAR4AIFBU346TE.SMALL.jpg kentchemistry.com DO NOT TRY THIS AT HOME it can ruin your microwave or burn down your house. Now that the warning is out of the way. slice a grape into quarters place into microwave (turn on)for no more than 15 seconds burst of plasma with emminate from the grape stop microwave to stop reaction (unless you microwav...
By: kentchemistry.com

Continue Reading »]]> Wed, 30 Jan 2008 10:59:40 PST http://www.instructables.com/id/NonBurning-Money/ http://www.instructables.com/files/deriv/FGN/CKUU/FBU346UF/FGNCKUUFBU346UF.SQUARE2.jpg http://www.instructables.com/files/deriv/FGN/CKUU/FBU346UF/FGNCKUUFBU346UF.SQUARE.jpg http://www.instructables.com/files/deriv/FGN/CKUU/FBU346UF/FGNCKUUFBU346UF.SMALL.jpg kentchemistry.com A 20$ bill is taken from the pocket, or better yet, from a volunteer planted in the audience and is soaked in a liquid and set on fire. While holding the 20$ bill with tongs and watching the blue flame, one points out that the 20$ bill is not burning. Finally the 20$ bill is snuffed out with a quick...
By: kentchemistry.com

Continue Reading »]]> Mon, 28 Jan 2008 10:22:07 PST http://www.instructables.com/id/Making-Imitation-Silly-Putty/ http://www.instructables.com/files/deriv/F00/8RUM/FBU346SM/F008RUMFBU346SM.SQUARE2.jpg http://www.instructables.com/files/deriv/F00/8RUM/FBU346SM/F008RUMFBU346SM.SQUARE.jpg http://www.instructables.com/files/deriv/F00/8RUM/FBU346SM/F008RUMFBU346SM.SMALL.jpg kentchemistry.com It seems everyone tries but get this wrong? I have found the perfect proportions. So no more glue balls. This isn't slime. This video is my recipe for making a silly putty like substance. I am a chemist and it works perfectly. It is a polyvinyl acetate polymer. Metric measurements 25mL glue 20mL wa...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 21:23:43 PST http://www.instructables.com/id/Vacuum-Chamber-Project-2-Boiling--Room-Temperatu/ http://www.instructables.com/files/deriv/F8Z/R5JZ/FBU346SQ/F8ZR5JZFBU346SQ.SQUARE2.jpg http://www.instructables.com/files/deriv/F8Z/R5JZ/FBU346SQ/F8ZR5JZFBU346SQ.SQUARE.jpg http://www.instructables.com/files/deriv/F8Z/R5JZ/FBU346SQ/F8ZR5JZFBU346SQ.SMALL.jpg kentchemistry.com A light layer of vacuum grease is applied to the rim of the belljar. Water at room temperature is placed inside and the vacuum pump is then used to evacuate the vessel. When the air pressure is reduced to the vapour pressure of water at room temperature the water will begin to boil.
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 20:44:24 PST http://www.instructables.com/id/Bond-Energy/ http://www.instructables.com/files/deriv/F57/OTGY/FBU346TB/F57OTGYFBU346TB.SQUARE2.jpg http://www.instructables.com/files/deriv/F57/OTGY/FBU346TB/F57OTGYFBU346TB.SQUARE.jpg http://www.instructables.com/files/deriv/F57/OTGY/FBU346TB/F57OTGYFBU346TB.SMALL.jpg kentchemistry.com A difficult concept for many students to understand is the energy involved in breaking and forming bonds. A hydrate is a substance that has water bonded to it. In order to dehydrate you must add energy (endothermic) to break the bond to water. When hydrating you are forming a bond to water and will ...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 20:37:59 PST http://www.instructables.com/id/Genie-In-A-Bottle/ http://www.instructables.com/files/deriv/F0S/O5VW/FBU346TH/F0SO5VWFBU346TH.SQUARE2.jpg http://www.instructables.com/files/deriv/F0S/O5VW/FBU346TH/F0SO5VWFBU346TH.SQUARE.jpg http://www.instructables.com/files/deriv/F0S/O5VW/FBU346TH/F0SO5VWFBU346TH.SMALL.jpg kentchemistry.com This Demonstration shows the catalytic decomposition of hydrogen peroxide. 100mL of 30% hydrogen peroxide is pour into a flask that is wrapped in aluminum foil. A small packet of 2 grams of manganesse dioxide MnO2 is wedged between the rubber stopper and the rim of the glass. When opened the packe...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 20:33:46 PST http://www.instructables.com/id/Sugar-Snake-Demo-Dehrydration-of-Sugar/ http://www.instructables.com/files/deriv/FEK/GDZD/FBU346TS/FEKGDZDFBU346TS.SQUARE2.jpg http://www.instructables.com/files/deriv/FEK/GDZD/FBU346TS/FEKGDZDFBU346TS.SQUARE.jpg http://www.instructables.com/files/deriv/FEK/GDZD/FBU346TS/FEKGDZDFBU346TS.SMALL.jpg kentchemistry.com Sugar (a carbohydrate) is dehydrated with concentrated sulfuric acid. Since a carbohydrate was once considered just hydrated carbon, if you remove the water, carbon would be left over. The acid rips the water out of the sugar and the heat generated by this reaction causes the water to turn to steam....
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 20:27:26 PST http://www.instructables.com/id/Muscle-Wire-Nitinol-Electrocuted/ http://www.instructables.com/files/deriv/FRM/ZFQ7/FBU346TV/FRMZFQ7FBU346TV.SQUARE2.jpg http://www.instructables.com/files/deriv/FRM/ZFQ7/FBU346TV/FRMZFQ7FBU346TV.SQUARE.jpg http://www.instructables.com/files/deriv/FRM/ZFQ7/FBU346TV/FRMZFQ7FBU346TV.SMALL.jpg kentchemistry.com Sometimes called the Smart Alloy, Muscle Wire or Memory Metal, is an alloy that "remembers" it shape. You can reshape the wire, but when heated it returns to the preset shape. Ever wonder how someone bends a spoon with their mind? Same metal. This demo straighten the spring so it is suined. Then at...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 20:25:59 PST http://www.instructables.com/id/Water-Drops-on-a-Penny--Cohesive-Forces-of-Water-/ http://www.instructables.com/files/deriv/F2V/4FF3/FBU346TZ/F2V4FF3FBU346TZ.SQUARE2.jpg http://www.instructables.com/files/deriv/F2V/4FF3/FBU346TZ/F2V4FF3FBU346TZ.SQUARE.jpg http://www.instructables.com/files/deriv/F2V/4FF3/FBU346TZ/F2V4FF3FBU346TZ.SMALL.jpg kentchemistry.com How many drops of water can you pile on a penny? It is very impressive. Can you do better? This experiment demonstrates the cohesive forces of water also known as Hydrogen Bonds. These forces are responsible for water forming droplets instead of spreading out.
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 20:24:16 PST http://www.instructables.com/id/Vacuum-Chamber-Project-3-Inflating-a-Balloon/ http://www.instructables.com/files/deriv/FOS/AC3R/FBU346U2/FOSAC3RFBU346U2.SQUARE2.jpg http://www.instructables.com/files/deriv/FOS/AC3R/FBU346U2/FOSAC3RFBU346U2.SQUARE.jpg http://www.instructables.com/files/deriv/FOS/AC3R/FBU346U2/FOSAC3RFBU346U2.SMALL.jpg kentchemistry.com A partially filled balloon is placed into a vacuum chamber. When the vacuum is turned on the pressure exerted on the balloon decreases and the balloon can expand until the bell jar is completely filled. When the air is allowed back in the jar, the pressure is reestablished and the balloon returns to...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 20:22:48 PST http://www.instructables.com/id/Mallomars-Transformers-in-a-Vacuum/ http://www.instructables.com/files/deriv/FMO/L0QF/FBU346U7/FMOL0QFFBU346U7.SQUARE2.jpg http://www.instructables.com/files/deriv/FMO/L0QF/FBU346U7/FMOL0QFFBU346U7.SQUARE.jpg http://www.instructables.com/files/deriv/FMO/L0QF/FBU346U7/FMOL0QFFBU346U7.SMALL.jpg kentchemistry.com When Mallomars are placed into a vacuum they go through a cool transformation. The marshmallow inside expands and breaks throught the chocolate coating. Interestingly, when the pressure is reapplied the mallomars go back to its original cookie shape. This is a great demonstration of Boyle's Law. P...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 20:20:56 PST http://www.instructables.com/id/Instantly-Freeze-Soda/ http://www.instructables.com/files/deriv/FG4/PZVC/FBU346UJ/FG4PZVCFBU346UJ.SQUARE2.jpg http://www.instructables.com/files/deriv/FG4/PZVC/FBU346UJ/FG4PZVCFBU346UJ.SQUARE.jpg http://www.instructables.com/files/deriv/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

Continue Reading »]]> Thu, 24 Jan 2008 20:14:02 PST http://www.instructables.com/id/Flammable-Ice/ http://www.instructables.com/files/deriv/F0T/R9XS/FBU346VG/F0TR9XSFBU346VG.SQUARE2.jpg http://www.instructables.com/files/deriv/F0T/R9XS/FBU346VG/F0TR9XSFBU346VG.SQUARE.jpg http://www.instructables.com/files/deriv/F0T/R9XS/FBU346VG/F0TR9XSFBU346VG.SMALL.jpg kentchemistry.com Ice is quickly added to a dry Pyrex bowl. Not Dry there is Calcium Carbide on the bottom, that is why you do it quickly. When the Ice melts the water reacts with the calcium carbide (place on the bottom) to produce acetylene gas and calcium hydroxide. The acetylene gas then explodes into flames when...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:51:40 PST http://www.instructables.com/id/Muscle-Wire-Nitinol-in-HOT-Water/ http://www.instructables.com/files/deriv/FJT/YTCQ/FBU346VJ/FJTYTCQFBU346VJ.SQUARE2.jpg http://www.instructables.com/files/deriv/FJT/YTCQ/FBU346VJ/FJTYTCQFBU346VJ.SQUARE.jpg http://www.instructables.com/files/deriv/FJT/YTCQ/FBU346VJ/FJTYTCQFBU346VJ.SMALL.jpg kentchemistry.com Sometimes called the Smart Alloy, Muscle Wire or Memory Metal, is an alloy that "remembers" it shape. You can reshape the wire, but when heated it returns to the preset shape. Ever wonder how someone bends a spoon with their mind? Same metal.
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:50:15 PST http://www.instructables.com/id/Sodium-and-Potassium-In-Water/ http://www.instructables.com/files/deriv/FYS/OHEU/FBU346VN/FYSOHEUFBU346VN.SQUARE2.jpg http://www.instructables.com/files/deriv/FYS/OHEU/FBU346VN/FYSOHEUFBU346VN.SQUARE.jpg http://www.instructables.com/files/deriv/FYS/OHEU/FBU346VN/FYSOHEUFBU346VN.SMALL.jpg kentchemistry.com The demonstrations of many remarkable experiments include a high safety risk (e.g. the reaction of large pieces of sodium/potassium with water; the reaction of potassium with liquid bromine; the reaction of sodium with concentrated sulfuric acid, etc.). Chemistry teachers and instructors are usually...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:48:46 PST http://www.instructables.com/id/Discrepant-Event-The-Rattleback/ http://www.instructables.com/files/deriv/FBC/ZAN2/FBU346W8/FBCZAN2FBU346W8.SQUARE2.jpg http://www.instructables.com/files/deriv/FBC/ZAN2/FBU346W8/FBCZAN2FBU346W8.SQUARE.jpg http://www.instructables.com/files/deriv/FBC/ZAN2/FBU346W8/FBCZAN2FBU346W8.SMALL.jpg kentchemistry.com A rattleback, also known as an "anagyre", "celt", "Celtic stone", "rattlerock", "spin bar", "wobble stone" or "wobblestone" and by the product names "ARK," "Bizzaro Swirls," "RATTLEBACKS," "Space Pet" and "Space Toy," is a semi-ellipsoidal top which will spin on its axis in a preferred direction. Bu...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:46:31 PST http://www.instructables.com/id/Levitron-Physics/ http://www.instructables.com/files/deriv/FN9/Y0H4/FBU346VX/FN9Y0H4FBU346VX.SQUARE2.jpg http://www.instructables.com/files/deriv/FN9/Y0H4/FBU346VX/FN9Y0H4FBU346VX.SQUARE.jpg http://www.instructables.com/files/deriv/FN9/Y0H4/FBU346VX/FN9Y0H4FBU346VX.SMALL.jpg kentchemistry.com The Levitron spins and surfs on magnetic waves! Pass your hand above, underneath, and around the top. It will continue to spin and float only touching air! The LEVITRON floats free in space, supported only by the repelling magnetic force produced by permanent magnets.
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:44:23 PST http://www.instructables.com/id/Vanishing-Water-Revealed/ http://www.instructables.com/files/deriv/FZJ/BELF/FBU346WB/FZJBELFFBU346WB.SQUARE2.jpg http://www.instructables.com/files/deriv/FZJ/BELF/FBU346WB/FZJBELFFBU346WB.SQUARE.jpg http://www.instructables.com/files/deriv/FZJ/BELF/FBU346WB/FZJBELFFBU346WB.SMALL.jpg kentchemistry.com WARNING*** WATCH THE VANISHING WATER TRICK FIRST This video reveals how the vanishing water trick is works. It is not magic but chemistry. Music: Kevin MacLeod
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:40:26 PST http://www.instructables.com/id/Vanishing-Water/ http://www.instructables.com/files/deriv/FNR/QWK1/FBU346WE/FNRQWK1FBU346WE.SQUARE2.jpg http://www.instructables.com/files/deriv/FNR/QWK1/FBU346WE/FNRQWK1FBU346WE.SQUARE.jpg http://www.instructables.com/files/deriv/FNR/QWK1/FBU346WE/FNRQWK1FBU346WE.SMALL.jpg kentchemistry.com This demonstration is used to confuse and spark the interest of all my students. I usually throw the water at them at the end of the demostration. Unfortunately there were no volunteers. Enjoy the trick, I posted how to do it in another movie, if you are intereseted. Music: Kevin MacLeod
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:38:34 PST http://www.instructables.com/id/Solid-Rocket-Fuel-Ignition/ http://www.instructables.com/files/deriv/F8O/P1WM/FBU346WN/F8OP1WMFBU346WN.SQUARE2.jpg http://www.instructables.com/files/deriv/F8O/P1WM/FBU346WN/F8OP1WMFBU346WN.SQUARE.jpg http://www.instructables.com/files/deriv/F8O/P1WM/FBU346WN/F8OP1WMFBU346WN.SMALL.jpg kentchemistry.com Music: Kevin MacLeod Once used as solid rocket fuel, because the reaction requires no oxygen. Sulfur and zinc react vigorously. The reaction with zinc produces flame and a near explosion. Sparks fly and smoke billows in this dramatic chemical demonstration. Please do not try this one at home. Zinc ...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:35:02 PST http://www.instructables.com/id/Vacuum-Chamber-Project-1-Shaving-Cream-Experiment/ http://www.instructables.com/files/deriv/F5O/YVGP/FBU346WQ/F5OYVGPFBU346WQ.SQUARE2.jpg http://www.instructables.com/files/deriv/F5O/YVGP/FBU346WQ/F5OYVGPFBU346WQ.SQUARE.jpg http://www.instructables.com/files/deriv/F5O/YVGP/FBU346WQ/F5OYVGPFBU346WQ.SMALL.jpg kentchemistry.com Music: Kevin MacLeod Shaving cream is placed into a vacuum chamber, then the vacuum is turned on. The chemicals are arranged such that there are many pockets of air trapped inside the shaving cream. The air pockets in shaving cream will expand in a vacuum. As the pressure gradually decreases the v...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:23:01 PST http://www.instructables.com/id/A-Broken-Heart-For-Valentines-Day/ http://www.instructables.com/files/deriv/FEG/S1M4/FBU346WT/FEGS1M4FBU346WT.SQUARE2.jpg http://www.instructables.com/files/deriv/FEG/S1M4/FBU346WT/FEGS1M4FBU346WT.SQUARE.jpg http://www.instructables.com/files/deriv/FEG/S1M4/FBU346WT/FEGS1M4FBU346WT.SMALL.jpg kentchemistry.com Watch my heart get broken just in time for Valentines Day. A marshmallow filled chocolate heart is placed into a vacuum and allowed to expand. Then I let my heart get crushed when the air is let back in. Kind of like what happens in life.
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:19:22 PST http://www.instructables.com/id/Nitric-Acid-Acts-Upon-A-Copper-Penny-Experiment/ http://www.instructables.com/files/deriv/FB2/4S8T/FBU346WZ/FB24S8TFBU346WZ.SQUARE2.jpg http://www.instructables.com/files/deriv/FB2/4S8T/FBU346WZ/FB24S8TFBU346WZ.SQUARE.jpg http://www.instructables.com/files/deriv/FB2/4S8T/FBU346WZ/FB24S8TFBU346WZ.SMALL.jpg kentchemistry.com AKA-Penny Operated Nitric Acid Fountain Nitric acid acts upon copper to yield nitric oxide in an exothermic reaction. The expanding gas displaces water from another flask; actually bubbles in this set up. When the gas cools, the water is drawn back into the flask, dissolving the nitric oxide and for...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:17:33 PST http://www.instructables.com/id/Executing-The-Marshmallow-Man-In-A-Vacuum/ http://www.instructables.com/files/deriv/FTL/ABUI/FBU346X3/FTLABUIFBU346X3.SQUARE2.jpg http://www.instructables.com/files/deriv/FTL/ABUI/FBU346X3/FTLABUIFBU346X3.SQUARE.jpg http://www.instructables.com/files/deriv/FTL/ABUI/FBU346X3/FTLABUIFBU346X3.SMALL.jpg kentchemistry.com Music by Kevin MacLeod. This amazing video demonstrates what would happen to a marshmallow man in space. Since space is a vacuum the air inside the marshmallows expands due to the absence of air. Watch how big this guy gets.
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:14:58 PST http://www.instructables.com/id/Analyzing-The-Drinking-Bird/ http://www.instructables.com/files/deriv/FAL/YQ7X/FBU346X8/FALYQ7XFBU346X8.SQUARE2.jpg http://www.instructables.com/files/deriv/FAL/YQ7X/FBU346X8/FALYQ7XFBU346X8.SQUARE.jpg http://www.instructables.com/files/deriv/FAL/YQ7X/FBU346X8/FALYQ7XFBU346X8.SMALL.jpg kentchemistry.com When was the last time you saw one of these? This classic childrens toy seems very simple but the chemistry involved is very interesting. Do you know how it works? Music by Kevin MacLeod
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:13:31 PST http://www.instructables.com/id/The-Great-Soda-Density-Experiment/ http://www.instructables.com/files/deriv/F5L/LGW6/FBU346W0/F5LLGW6FBU346W0.SQUARE2.jpg http://www.instructables.com/files/deriv/F5L/LGW6/FBU346W0/F5LLGW6FBU346W0.SQUARE.jpg http://www.instructables.com/files/deriv/F5L/LGW6/FBU346W0/F5LLGW6FBU346W0.SMALL.jpg kentchemistry.com Music: Kevin MacLeod Ever wonder how much sugar is in your soda? This simple experiment that anyone can do puts Coke and Diet Coke head to head in a density test.
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:07:18 PST http://www.instructables.com/id/Crazy-Levitating-Bubbles-Trick/ http://www.instructables.com/files/deriv/FA3/D6XF/FBU346XG/FA3D6XFFBU346XG.SQUARE2.jpg http://www.instructables.com/files/deriv/FA3/D6XF/FBU346XG/FA3D6XFFBU346XG.SQUARE.jpg http://www.instructables.com/files/deriv/FA3/D6XF/FBU346XG/FA3D6XFFBU346XG.SMALL.jpg kentchemistry.com Another of my Halloween Demonstrations. This simple but amazing video explains how everyday bubbles can float on a magic layer of air. It all has to do with density of air and some dry ice. Air is less dense than CO2. It is mostly N2 and the bubbles magically float of the CO2. Music: Kevin MacLeod...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:05:30 PST http://www.instructables.com/id/Shivering-Quarters-in-Dry-Ice/ http://www.instructables.com/files/deriv/FTA/0SQJ/FBU346XX/FTA0SQJFBU346XX.SQUARE2.jpg http://www.instructables.com/files/deriv/FTA/0SQJ/FBU346XX/FTA0SQJFBU346XX.SQUARE.jpg http://www.instructables.com/files/deriv/FTA/0SQJ/FBU346XX/FTA0SQJFBU346XX.SMALL.jpg kentchemistry.com When a quarter in pushed into dry ice, a strange thing happens. The quarter starts to quiver. It is a normal room temperature quarter. I did nothing to the quarter. This is not a trick but really Hazards: 1. Handle the dry ice with protective gloves. happens.
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:03:55 PST http://www.instructables.com/id/Simple-Dancing-Penny/ http://www.instructables.com/files/deriv/FK7/I2OF/FBU346XR/FK7I2OFFBU346XR.SQUARE2.jpg http://www.instructables.com/files/deriv/FK7/I2OF/FBU346XR/FK7I2OFFBU346XR.SQUARE.jpg http://www.instructables.com/files/deriv/FK7/I2OF/FBU346XR/FK7I2OFFBU346XR.SMALL.jpg kentchemistry.com A science experiment for all ages. Keep the kids busy over the holiday. This demonstration will entertain them for hours. You can have fun making one for each of the kids in your family. All you need is a penny and a bottle. Wet the top and place a penny on top. The heat from your hand causes the ai...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 19:00:10 PST http://www.instructables.com/id/Elephant-Toothpaste-Chemistry/ http://www.instructables.com/files/deriv/F2P/RDQJ/FBU346XM/F2PRDQJFBU346XM.SQUARE2.jpg http://www.instructables.com/files/deriv/F2P/RDQJ/FBU346XM/F2PRDQJFBU346XM.SQUARE.jpg http://www.instructables.com/files/deriv/F2P/RDQJ/FBU346XM/F2PRDQJFBU346XM.SMALL.jpg kentchemistry.com This experiment shows the decomposition of hydrogen peroxide catalyzed by potassium iodide. The reaction is done in a tall graduated cylinder so that the foamy product shoots out very quickly in a tall cylindrical shape; hence, the name elephant toothpaste. Materials: tall graduated cylinder (at le...
By: kentchemistry.com

Continue Reading »]]> Thu, 24 Jan 2008 18:46:25 PST