Types and Balancing Equations Review

Front

What is a balanced chemical equation?

Back

A balanced chemical equation has equal numbers of each type of atom on both sides of the equation, following the law of conservation of mass.

Front

What is the first step in balancing a chemical equation?

Back

Identify the number of atoms of each element in the reactants and products.

Front

What does a synthesis reaction involve?

Back

A synthesis reaction involves two or more reactants combining to form a single product.

Front

What is a decomposition reaction?

Back

A decomposition reaction occurs when a single compound breaks down into two or more simpler products.

Front

Define a single replacement reaction.

Back

A single replacement reaction occurs when one element replaces another element in a compound.

Front

What is a double replacement reaction?

Back

A double replacement reaction involves the exchange of ions between two compounds to form two new compounds.

Front

How do you balance the equation Al + HCl → H2 + AlCl3?

Back

The balanced equation is 2Al + 6HCl → 3H2 + 2AlCl3.

Front

What type of reaction is Fe + H2SO4 → H2 + FeSO4?

Back

This is a single replacement reaction.

Front

Balance the equation KOH + H3PO4 → K3PO4 + H2O.

Back

The balanced equation is 3KOH + H3PO4 → K3PO4 + 3H2O.

Front

What is the balanced form of SeCl6 + O2 → SeO2 + Cl2?

Back

The balanced equation is SeCl6 + 3O2 → SeO2 + 3Cl2.