Types of Chemical Reactions and Balancing Equations

Front

What does the Law of Conservation of Matter state?

Back

The total mass of the reactants must be equal to the mass of the products in a chemical reaction.

Front

In a chemical reaction, what must be true about the number of atoms?

Back

The number of atoms you begin with must be the same as the number of atoms you end with.

Front

Is the following equation balanced? Al + O2 → 2Al2O3

Back

No, it is not balanced.

Front

What is a double replacement reaction?

Back

A type of chemical reaction where two compounds exchange ions or bonds to form two new compounds.

Front

Balance the following equation: ____ Fe + ____ Cl2 → ____ FeCl3

Back

2, 3, 2

Front

What is a synthesis reaction?

Back

A type of reaction where two or more reactants combine to form a single product.

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 combustion reaction?

Back

A reaction that occurs when a substance combines with oxygen, releasing energy in the form of light or heat.

Front

What is an example of a single replacement reaction?

Back

Zn + CuSO4 → ZnSO4 + Cu.

Front

What is the purpose of balancing chemical equations?

Back

To ensure that the same number of each type of atom is present on both sides of the equation.