Wednesday, November 16, 2011

Experiment Watching

     Today, the class witnessed combustion, a form of chemical reaction. We witnessed how ethanol reacts to a flame in the form of combustion. The flame and the ethanol were two reactants. These reactants formed a product. The gas escaped out of the bottle and pushed the other way. This was an example of Newton's Third Law of Motion.
     Then we witnessed and experiment with baking soda and vinegar. The gas was introduced to candles. The candles went out. This was because unlike the other experiment, we were not introducing heat. We were introducing the other reactant. This caused the flame to go out.
     Finally we experimented with chlorine, zinc, and fire.He put chlorine and zinc in a beaker and introduced a flame. The mixture gave of a gas and bubbled. this is because the chlorine was flammable. All of these reactants and products were very interesting.

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