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cons of mass
Question | Answer |
---|---|
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) |
chemical reactions | a process that involves a rearrangement of atoms, molecules, or ions. |
closed system | Matter is not allowed to enter or leave the system. |
open system | Matter can enter or escape the system. |