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0:54
The reaction between ammonium thiocyanate and barium hydroxide octahydrate is endothermic. It absorbs heat from the surroundings. As a result, the temperature of this reaction will drop quickly. This causes the beaker used to freeze to the wooden board. In this video, the beaker was able to hold approximately 9kg. *******www.monkeyvsgravity**** Music: Kevin MacLeod
10 Nov 2010
751
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2:06
Do you have badly burnt/dirty pots or pans? Don't scrub them! Clean them with drano (i.e. lye, sodium hydroxide, caustic soda NaOH). WARNING - be carefull as not to burn yourself as this chemical is extremelly caustic.
8 Nov 2007
2087
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1:12
Chemiluminescence of luminol. Two solutions are combined, the first solution contains luminol and sodium hydroxide. The second solution is 0.03% Hydrogen peroxide and potassium ferricyanide. The luminol and the hydrogen peroxide react to cause the chemiluminescence. The iron in potassium ferricyanide is a catalyst for the reaction. This is also used by crime scene investigators. A solution of hydrogen peroxide and luminol is placed into a spray bottle. When the solution comes into contact with blood, the iron present in hemoglobin will catalyze the reaction and it will begin to glow. www.thirstforscience**** If you enjoy this type of video, subscribe! Music: Kevin MacLeod
29 Mar 2009
5271
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6:00
*******www.bulkreefsupply****/store/products/calcium-alkalinity-magnesium --- This video demonstrates how to properly dose kalkwasser, also known as pickling lime and calcium hydroxide.
28 May 2010
310
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3:18
Turn an ordinary penny into a gold one, or a silver one, with only a few common chemicals.
15 Sep 2008
86837
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1:24
Watch Chemistry Magic. Watch as the color changes from purple to green to orange as the permanganate ion is reduced.
17 Nov 2008
3069
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1:39
For this test I combined a half teaspoon of oxyclean and half teaspoon of baking soda. The results are way better than I could have imagined.
4 Jan 2009
906
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3:44
Here is a small video describing how my cell is put together.
24 Sep 2009
1211
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1:21
Move over Diet Coke & Mentos! In this demonstration you'll find out what happens when you combine Pepsi, Necco Wafers, and a lighter. (Woof!) Don't try this at home!
1 Mar 2009
355371
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4:11
The traffic light reaction sees a solution change colour from green to red to amber. More at
25 Feb 2010
26549
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0:57
Ice is added to a dry Pyrex bowl. 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 a match is place on top. It will continue to burn even as the ice melts because it keeps producing acetylene until the calcium carbide runs out.Kent
9 Mar 2007
86501
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0:52
All the alkali metals react with water to produce elementary hydrogen and the corresponding alkali hydroxides. The reactivity increases with increasing periodic number. The reactions2 Na + 2 H2O ----> 2 NaOH + H22 K + 2 H2O ----> 2 KOH + H2I got lucky with this sodium reaction, I have never had such a perfect explosion.
15 Jun 2007
99631
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2:04
it's the reaction of barium hydroxide with ammonium chloride.. cool ah?
20 Dec 2007
13598
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0:58
Since I finally got my amp meter, I figured I should put a video together to show the actual amperage the FlipCup Fuel Cell draws. 12 Volts 6 Amps 1/2 teaspoon of KOH (Potassium Hydroxide) No PWM (yet)
23 Sep 2009
400
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5:26
Katya Tchoubar *******katyatchoubar.myarbonne.ca shares useful tips how to prevent swine flu (H1N1 flu) infection. According to the site*******articles. mercola****/ sites/articles/ archive/2001/03/07/vaccine- ingredients.aspx, done by a Medical Doctor, here are some ingr. in the "Swine-Flu" Vaccine: aluminum hydroxide,aluminum phosphate, ammonium sulfate, amphotericin B, animal tissues betapropiolactone fetal bovine serum formaldehyde formalin gelatin glycerol human diploid cells (originating from human aborted fetal tissue) MSG neomycin neomycin sulfate phenol20red indicator phenoxyethanol (antifreeze) potassium diphosphate potassium monophosphate polymyxin B polysorbate 20 polysorbate 80 porcine (pig) pancreatic hydrolysate of casein residual MRC5 proteins sorbitol sucrose thimerosal (mercury)
31 Oct 2009
391
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