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Friday, November 18, 2011

Evidence of a Chemical Reaction

Bromine and Alchohol
http://www.youtube.com/watch?v=hVK9Om4wzBM
It took a while for the chemical reaction to occur. At first red bubbles started to fizz at the bottom of the cup and then more and more came until the whole cup was red. It stayed like that for a few seconds and then red smoke started to come out of the cup. Eventually it died down and the alcohol had become red while the Bromine looked the same.

Lithium and Water
http://www.youtube.com/watch?v=8ypUVpwgcAA&feature=related
The Lithium began to smoke as soon as it went into the water, then it set on fire and moved around in the water for about five seconds before going out.

Cesium and Water
http://www.youtube.com/watch?v=896vJj6eWYw&feature=related
The cesium com busted instantly as soon as it came in contact with the water.

Potassium and Water
http://www.youtube.com/watch?v=qRmNPKVEGeQ&NR=1
The potassium instantly started sparking and set on fire when it came in contact with the water. The fire gre larger and then the potassium went out.

Sodium and Potassium in Water
http://www.youtube.com/watch?v=vJslbQiYrYY&NR=1
At first nothing happened when the sodium went in the water but then it set on fire and a few seconds later exploded. The potassium did more or less the same thing except that the explosion was a lot smaller.

Aluminum Foil and "The Works Reaction"
http://www.youtube.com/watch?v=5n7kBkBcXgo&NR=1
At first you could slowly see the foam rising up and then it suddenly sped up and started overflowing. You could see that the liquid was going down while more foam was coming out. A few seconds later it started foaming even faster for a while and then it slowed down. At the end there was barely anything left in the beaker.

Gummy Bear Oxidation
http://www.youtube.com/watch?v=_Pk6s1MbszA&feature=related
The Gummy bear seemed to set the chemical on fire and after a few seconds the whole beaker was completely blazing with flames.

Wicked Chemical Reaction
http://www.youtube.com/watch?v=zrNA8-eipGE&feature=related
It seemed that when the chemical was put in that the salt crystals started moving around or something though I didn't really understand what was happening.

Elephant Toothpaste
http://www.youtube.com/watch?v=ezsur0L0L1c
The chemical reaction happens really fast. Foam comes out of the beakers and seems to be extremely hot because there is smoke coming from it. Although it looks solid it actually is just like a lot of bubbles.

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