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Chemical Reactions

TermDefinition
Activation Energy what is needed to start a chemical reaction
arrow you read the arrow as "yeilds" in a chemical equation or formula
characteristics of a chemical reaction changes in energy or changes in properties (produce a gas(bubbles form) color change precipitate forms or temperature change)
chemical changes after the chemical properties of matter new substances with new properties are formed
chemical equations a shorter easier way to show chemical reactions by using symbols instead of words
coeffecient a number placed in front of a chemical formula in an equation. tells how many atoms or molecules of each reactant and product take part in the reaction
conservation of mass the amount of matter involved in a chemical reaction does not change the total mass of the reactants must equal the total mass of the products
decomposition reaction
Created by: 150009029