Balancing Chemical Equations

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

What is the number before a chemical formula called?

Back

Coefficient

Front

What information can be determined from the chemical formula of a protein?

Back

The number of atoms of each element in the protein.

Front

How many aluminum atoms are in Al2(SO4)3?

Back

2

Front

Is the following reaction balanced? NaHCO3 --> Na2CO3 + H2O + CO2

Back

No.

Front

What is the right part of a chemical equation called?

Back

Products

Front

What does a coefficient in a chemical equation indicate?

Back

The number of molecules or moles of a substance.

Front

What is the purpose of balancing a chemical equation?

Back

To ensure that the number of atoms of each element is the same 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 does it mean for a chemical equation to be balanced?

Back

It means that the mass and number of atoms are conserved in the reaction.