Retake - Balancing Chemical Equations

Front

What are the substances listed on the right side of a chemical equation called?

Back

Products

Front

What does it mean if a chemical equation is unbalanced?

Back

It means that the number of atoms of each element is not the same on both sides of the equation.

Front

What are the substances listed on the left side of a chemical equation called?

Back

Reactants

Front

What does the law of conservation of mass state about chemical reactions?

Back

The total mass of the reactants is equal to the total mass of the products.

Front

What are the numbers in front of compounds in a chemical equation called?

Back

Coefficients

Front

What is the purpose of balancing a chemical equation?

Back

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

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What is the difference between a coefficient and a subscript in a chemical formula?

Back

A coefficient indicates the number of molecules, while a subscript indicates the number of atoms in a molecule.

Front

What does it mean for a chemical equation to be balanced?

Back

It means that the number of atoms of each element is the same on both sides of the equation.

Front

What is an example of a balanced chemical equation?

Back

2 H2 + O2 → 2 H2O