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chemistry

TermDefinition
activation energy what is needed to start a chemical reaction
arrow you reed the arrow as ''yields'' in a chemical equation or formula
characteristics of a chemical reaction changes in energy or changes in proprieties
chemical changes alter the chemical proprieties of matter new substances with new properties are found
chemical equations a shorter easier way to show chemical reactions buy using symbol incited of using words
coefficient a number placed in front of a chemical formula in a equation
conservation of mass the amount of matter involved in a chemical reaction does not change
controling rates of rection temp,concen,sur,cata,enzy,inhibit
decomposition reaction a compound breaks down into simpler substances
endothermic reaction an observable change in energy that shows in a chemical reaction took place
physical change alter only the physical proprieties of matter
preticipate a solid that forms from solution during a chemical reaction
exothermic an observable change in energy that shows in a chemical reaction took place
products the materials you have after a chemical reaction
reactants the materials you have before a chemical reaction
replacement reaction one part of a compound is displaced by a element
states of mater solid ,liqid, gas
subscript sow a number of atoms in a molecule
synthesis reaction 2 substances combine to form a new compound
Created by: 150007905