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Law of Conservation

Law of Conservation of Matter

QuestionAnswer
Chemical reaction a process that involves a rearrangement of atoms, molecules, or ions.
Law of Conservation of Mass mass is neither created nor destroyed
balanced chemical equation same number of each element on both sides of the equation
mass of products equals mass of reactants
coefficients numbers that are before the formula; they affect every element in the formula
subscripts numbers that "float" below the line; they only affect the element that is right before them
reactants what goes in (usually on the left hand side of the chemical equation)
products what comes out (usually on the right hand side of the chemical equation)
Open system Matter can enter or escape the system.
Closed system Matter is not allowed to enter or leave the system.
Created by: willian814927
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