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Conservation of Mass
Question | Answer |
---|---|
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 |
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 |