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