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conservation of mass |
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conservation of massIn chemistry, the principle that states that in a chemical reaction the sum of all the masses of the substances involved in the reaction (reactants) is equal to the sum of all of the masses of the substances produced by the reaction (products) – that is, no matter is gained or lost. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Students do projects demonstrating an engineering principle--such as energy conservation using a commercial heat exchanger, river flow modeling, or conservation of matter through paper recycling. Explain that all matter is made from particles called atoms, describe how atoms combine to form new matter, and identify the physical properties of atoms, such as describing the conservation of matter. |
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