Conservation of Mass

Match it! Select the correct answer from the pull down...Good luck!

If a chemical reaction begins with 5 atoms of Chlorine in the reactants, how many chlorine atoms will be present in the products?

Identify the products in the equation: HCl + NaOH → H2O + NaCl

What is the name given to the elements or compounds on the right side of the equation?

Which is not evidence that a chemical reaction has occurred?

What is the name given to the elements or compounds on the left side of the equation?

Identify the reactants in the equation: HgO → Hg + O2

How many atoms of O are in the reactants: H2+ O2 → H2O (numbers are subscripts)

How many grams of reactant are needed to complete the reaction: ____ g + 15 g → 40 g