Chemical reactions 8.1
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Last updated 9:29 PM on 3/29/26
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10 Terms
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chemical reaction
atoms of one or more substances rearrange to create a new substance.
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Evidence of a chemical reaction
temperature, color, odor change, light, heat/absorbs heat, gas, bubbles, formation of solids.
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Reactant
starting substance
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product
substance produced
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Law of Conservation of Mass and matter
mass and matter is neither created nor destroyed
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word equation lacks:
number of atoms involved
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skeleton equation lacks:
number of atoms involved
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chemical equation
uses formulas to show identities and relative amounts
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Coefficient
written in front of reactant
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