Balancing Chemical Equations Practice

The video tutorial explains the neutralization reaction between hydrobromic acid and barium hydroxide. It begins by identifying the reactants and products, then counts the atoms on both sides of the equation. The tutorial demonstrates how to balance the equation by adjusting coefficients, ensuring the number of atoms for each element is equal on both sides. It highlights common mistakes, such as forgetting to count all hydrogen atoms on the reactant side, and concludes with a balanced equation for the reaction.

What type of reaction occurs when hydrobromic acid reacts with barium hydroxide?

• Synthesis reaction

• Decomposition reaction

• Neutralization reaction

• Combustion reaction

How many hydrogen atoms are present on the reactant side before balancing?

• One

• Two

• Three

• Four

What is the total number of oxygen atoms on the product side before balancing?

• Two

• One

• Four

• Three

What coefficient should be placed in front of H2O to balance the oxygen atoms?

• Two

• Four

• Three

• One

After balancing the oxygen atoms, how many hydrogen atoms are there on the product side?

• Five

• Four

• Three

• Two

What coefficient is needed in front of HBr to balance the hydrogen atoms?

• Two

• Three

• One

• Four

How many bromine atoms are present on the product side after balancing?

• Three

• Four

• Two

• One

What is a common mistake people make when balancing this equation?

• Forgetting to count oxygen atoms

• Ignoring the coefficient in front of H2O

• Not counting all hydrogen atoms on the reactant side

• Miscounting bromine atoms

What is the final balanced equation for the reaction between HBr and Ba(OH)2?

• 2HBr + Ba(OH)2 → BaBr2 + H2O

• HBr + 2Ba(OH)2 → BaBr2 + 2H2O

• 2HBr + Ba(OH)2 → BaBr2 + 2H2O

• HBr + Ba(OH)2 → BaBr2 + H2O