Balancing Chemical Equations Concepts

The video tutorial demonstrates how to balance the chemical equation of lead(II) hydroxide reacting with hydrochloric acid. It begins by counting the atoms on both the reactant and product sides, focusing on lead, oxygen, hydrogen, and chlorine. The tutorial then guides viewers through balancing the chlorine atoms first, followed by updating the hydrogen and oxygen counts. The process concludes with confirming that all atoms are balanced on both sides of the equation.

What is the chemical formula for lead(II) hydroxide?

• PbO2H

• Pb2OH

• PbOH

• Pb(OH)2

How many oxygen atoms are present on the reactant side initially?

• Four

• Three

• Two

• One

What is the initial count of hydrogen atoms on the reactant side before balancing?

• Two

• Three

• Four

• One

How many chlorine atoms are present on the product side initially?

• One

• Four

• Two

• Three

What coefficient is placed in front of HCl to balance the chlorine atoms?

• Four

• One

• Three

• Two

After balancing chlorines, how many hydrogen atoms are on the reactant side?

• Two

• Three

• Four

• Five

What coefficient is used in front of H2O to balance the hydrogen atoms?

• One

• Four

• Two

• Three

What is the final count of oxygen atoms on both sides of the equation?

• One

• Four

• Two

• Three