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Physical Science

Chapter 5 (Chemical Reactions)

WordDefinition
Reactant a substance that undergoes a chemical change
Product a substance that is the result of a chemical change
Chemical Energy the energy stored within atoms and molecules that can be released when a substance reacts
Exothermic Reation a reation that transfers energy from the reactants to the surroundings as heat
Endothermic Reaction a reaction in which energy is transferred to the reactants as heat from the surroundings
Chemical Equation an equation that uses chemical formulas and symbols to show the reactants and products in a chemical reaction
Mole Ratio the smallest relative number of moles of the substances involved in a reation
Created by: soccer1234564
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