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Chemical Changes

P recipitate E nergy Produced Unexpected C olor Change B ubbles (a production of gas) S mell. P lease = E xcuse = C oughs = B urps = S neezes =. Chemical Changes. Five evidences to recognize when a chemical reaction has occurred:.

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Chemical Changes

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  1. Precipitate Energy Produced Unexpected Color Change Bubbles(a production of gas) Smell Please = Excuse = Coughs = Burps = Sneezes = Chemical Changes Five evidences to recognize when a chemical reaction has occurred:

  2. Precipitate is the formation of a solid in a solution as a result of a chemical reaction. • A precipitate is formed when two or more liquids combine and create a different solid substance. • During this process, atoms or groups of atoms in the reactants rearrange and bond in different ways to form different substances in the products.

  3. Three kinds of energy that are given off during a chemical reaction is heat, light, sound, and electricity.

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