In chemical reactions, the total amount of matter at the end is less than at the beginning.

Matter/Mass cannot be created or destroyed.

A balanced chemical equation supports the law of conservation of mass.

If there are 25 atoms at the beginning of a chemical reaction, there will be _______ atoms at the end

In order to balance a chemical equation, you can change coefficients.

2 molecules of H2O have how many total atoms

How many atoms are in one molecule of CO2

If a chemical reaction starts with 200 atoms then it will end with 200 atoms.

if you start a chemical reaction with 50 pounds of reactants, then you must have 50 pounds at the end.

How man atoms are in C6H12O6

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