Balancing Chemical Equations

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas to show the reactants and products.

Front

What are reactants in a chemical equation?

Back

The starting materials that undergo a chemical change in a reaction.

Front

What are products in a chemical equation?

Back

The new substances formed as a result of a chemical reaction.

Front

What does the coefficient in a chemical equation represent?

Back

The number of molecules or moles of a substance involved in the reaction.

Front

What is the Law of Conservation of Matter?

Back

A law stating that atoms are not created or destroyed during a chemical reaction.

Front

How do you determine if a chemical equation is balanced?

Back

By ensuring that the number of atoms of each element is the same on both sides of the equation.

Front

What is a balanced chemical equation?

Back

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

Front

What is the significance of balancing chemical equations?

Back

It reflects the conservation of mass and allows for accurate stoichiometric calculations.

Front

How many oxygen atoms are in 2H2O?

Back

2 oxygen atoms.

Front

How many hydrogen atoms are in 4H2O?

Back

8 hydrogen atoms.