SPS3. Conservation of Mass and Balancing Equations

Front

What does the Law of Conservation of Matter state?

Back

Mass is conserved during a chemical reaction.

Front

Which type of chemical reaction involves the combination of two or more substances to form a new compound?

Back

Synthesis reaction.

Front

What is the term for a number written below & to the right of a chemical symbol?

Back

Subscript.

Front

In the reaction 2H₂ + O₂ → 2H₂O, what does the coefficient '2' in front of H₂O indicate?

Back

Two molecules of water are produced.

Front

Based on the Law of Conservation of Matter, describe the relationship between the mass of the reactants and the mass of the products.

Back

The mass of the reactants equals the mass of the products.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What are reactants in a chemical reaction?

Back

Substances that undergo change during a chemical reaction.

Front

What are products in a chemical reaction?

Back

Substances formed as a result of a chemical reaction.

Front

What is a decomposition reaction?

Back

A reaction where a single compound breaks down into two or more simpler products.

Front

What is a double replacement reaction?

Back

A reaction where two compounds exchange ions to form two new compounds.