Balancing Boric Acid Reactions

The video tutorial explains how to balance the chemical equation for the decomposition of boric acid (H3BO3) into H4B6O11 and water. It begins by counting the atoms on both the reactant and product sides, highlighting the importance of not missing any atoms. The instructor then demonstrates how to balance the equation by adjusting coefficients, focusing on balancing hydrogen atoms first due to their presence in smaller molecules. The tutorial concludes with a balanced equation and a discussion on the states of matter for the substances involved.

What is the initial number of hydrogen atoms on the reactant side in the decomposition of boric acid?

• 6

• 4

• 18

• 3

How many boron atoms are present on the product side before balancing?

• 6

• 11

• 3

• 1

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

• 6

• 3

• 12

• 11

What coefficient is placed in front of boric acid to start balancing the equation?

• 6

• 5

• 7

• 4

Which molecule's coefficient is adjusted to balance the hydrogen atoms?

• Boron

• Boric acid

• Water

• Oxygen

What is the total number of hydrogen atoms on the product side after balancing?

• 16

• 18

• 20

• 14

How many oxygen atoms are there on the product side after balancing?

• 11

• 12

• 18

• 19

What is the final balanced equation for the decomposition of boric acid?

• 6 H3BO3 → H4B6O11 + 7 H2O

• H3BO3 → H4B6O11 + H2O

• H3BO3 → 2 H4B6O11 + 3 H2O

• 6 H3BO3 → 3 H4B6O11 + 6 H2O

What is the state of boric acid in the decomposition reaction?

• Aqueous

• Gas

• Liquid

• Solid

What state might water be in if the reaction is hot?

• Plasma

• Solid

• Liquid

• Gas