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Chapter 6.2

WAITE Chapter 6.2 describing chemical reactions

chemical equation a short, easy way to show a chemical reaction, using symbols
reactant A substance that undergoes change in a chemical reaction
product A substance formed as a result of a chemical reaction
law of conservation of matter the principle that states matter cannot be created nor destroyed and that the mass of the reactants equal the mass of the products.
open system a system where matter is able to leave or enter.
closed system a system where no matter is able to leave or enter.
coefficient the number in front of a chemical formula in an equation that tells how many molecules or atoms of each reactant and product are in a reaction.
subscript a number attached to an element symbol in a chemical equation that sits below the letter.
Created by: sbarone