Balancing Equations

Front

What is the balanced equation for PCl₅ + H₂O?

Back

4 H₂O → 5 HCl + H₃PO₄

Front

Which side of a chemical equation contains the reactants?

Back

Left (before the yields sign)

Front

What does the Law of Conservation of Mass state?

Back

Matter cannot be gained or lost in a chemical reaction.

Front

How many atoms are in H₂SO₄?

Back

7

Front

Balance the equation: CF₄ + Br₂ → CBr₄ + F₂.

Back

1, 2, 1, 2

Front

What is a reactant in a chemical reaction?

Back

A substance that undergoes change during a reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is formed as a result of a chemical reaction.

Front

Define a chemical equation.

Back

A symbolic representation of a chemical reaction showing the reactants and products.

Front

What is the purpose of balancing chemical equations?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.

Front

What does it mean to balance an equation?

Back

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