Balancing chemical equations

Front

What is the Law of Conservation of Mass?

Back

It states that no matter can be created or destroyed.

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

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

Back

NO

Front

Is the following equation balanced? Al + O2 ---> 2Al2O3

Back

NO

Front

How many Mn atoms are found in the following compound? 2MnO4

Back

2

Front

What are products in a chemical equation?

Back

The substances formed as a result of a chemical reaction.

Front

What does it mean to balance 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 coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate how many molecules are involved.

Front

What is a subscript in a chemical formula?

Back

A small number written after an element symbol to indicate the number of atoms of that element in a molecule.

Front

What is the purpose of balancing chemical equations?

Back

To comply with the Law of Conservation of Mass.