Balancing Chemical Equations

Front

What is the total number of atoms present in 5Na₃PO₄?

Back

40

Front

What is the little number after an element in a chemical equation called? Example: H₂

Back

Subscript

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? Example: 2H₂ + O₂ --> 2H₂O

Back

Reactants

Front

Which of the following equations are correctly balanced? 6CO₂ + 6H₂O --> C₆H₁₂O₆ + 6O₂

Back

This equation is correctly balanced.

Front

What is a chemical equation?

Back

A representation of a chemical reaction using symbols and formulas.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate the number of molecules.

Front

What is the difference between reactants and products?

Back

Reactants are substances that undergo a chemical change, while products are the substances formed as a result of the reaction.

Front

How do you balance a chemical equation?

Back

By adjusting the coefficients to ensure the same number of each type of atom on both sides.

Front

What is the significance of balancing chemical equations?

Back

It reflects the Law of Conservation of Mass, ensuring that matter is neither created nor destroyed.