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Thursday, September 5, 2013

Compounds and Mixtures

Heeeeeey i'm baaaack, and I have something else to teach you peeps about. Today i'll be talking about Compounds and Mixtures, and who thinks they know that compounds and mixtures can't get confused between each other. For some people that's true but for others it might not be that easy for them to not get confused between them, and trust I do too sometimes. Anyways, back to what I was saying, a compound is when a chemical change takes place, cool right, yeah not always. Sometimes those chemical reactions can harm the planet and they can also harm you.
Mixtures are when two or more elements, or compounds, are blended without combining chemically and ta-da you have a mixture. Oh and guess what else is cool, each substance in a mixture keeps its own properties. Mixtures can only be seperated by physical or mechanical means. An example of an homogenous mixture is a bottle of salt and salt crystals that have been dissolved in water.

Another example is trail mix, which has a mixture of many diferent things. Trail mix is a heterogeneous mixture and an example of a homogenous mixture is food coloring.
 

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