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Chemical Reactions

Activation Energy What is needed to start a chemical reacation
Arrow You read the arrow as yields in A CHEMICAL EQUATION OR FORMULA
Characteristics of a chemical reaction changes in energy or changes in properties color change precipitate forms or temperature change
Chemical equations a shorter easier way to show chemical reactions
coefficient a number placed in front of a chemical formula in a equation
conservation of mmatter the amount of matter used in a chemical reaction does not change
controlling rates of reaction concentration temperature surface area catalyst enzymes and inhibitors
decomposition reaction a compound breaks down into smaller substances
endothermic reaction an observable change in energy that shows a chemical reaction took place
exothermic reaction an observable change in energy that shows a chemical reaction took place
physical change alter only the physical properties of matter
precipate a solid that forms of solution during a chemical reaction
products the material you have after a chemical reaction
reactants the materials you have at the beginning if a chemical reaction
replacement reaction one part of a compound is displaced by and element
states of matter solid liquid gas
subscripts show the number of atoms of an element in a molecule or the ratio of elements in a compound
synthesis reaction two substances combine to form a new compound also called composition reaction
Created by: 150007800