Balancing Chemical Equations

Front

What does the Law of Conservation of Mass state?

Back

Matter cannot be gained or lost in a chemical reaction.

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

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

Back

No!

Front

What is O2 classified as?

Back

Element

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 is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What does it mean to balance a chemical equation?

Back

To adjust the coefficients in a chemical equation so that the number of atoms of each element is equal on both sides.

Front

What are coefficients in a chemical equation?

Back

Numbers placed before compounds to indicate the number of molecules or moles.

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.