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Conservation of Mass/Matter

Conservation of Mass/Matter. What is matter ? Matter is made of atoms. Matter has mass and takes up space (volume). Why can’t it disappear ? According to the Law, Matter cannot be created or destroyed, only rearranged.

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Conservation of Mass/Matter

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  1. Conservation of Mass/Matter • What is matter? Matter is made of atoms. Matter has mass and takes up space (volume). • Why can’t it disappear? According to the Law, Matter cannot be created or destroyed, only rearranged. • Who was Antoine Lavoisier? A French chemist in the 1700s who published his results on various experiments on this Law. • How does this relate to chemical reactions and compounds? The mass of the reactants must ALWAYS equal the mass of the products.

  2. Sunset in a BagRespond to the questions during the demonstration. • What is the mass of the bag before the reaction? • Describe what you see before the reaction. • What is the mass of the bag after the reaction? • Describe what you see during and after the reaction? • Are the masses equal? If not, what happened?

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