The EASY way to balance Combustion Reactions!

What is the main difference between complete and incomplete combustion reactions?

• Incomplete combustion produces only water.

• Incomplete combustion produces carbon dioxide and water.

• Complete combustion produces carbon monoxide and water.

• Complete combustion produces carbon dioxide and water.

What is the first step in balancing a combustion reaction?

• Balance the oxygen atoms first.

• Balance the hydrogen atoms first.

• Balance all elements except oxygen.

• Multiply all coefficients by two.

Why might you need to multiply coefficients by two when balancing combustion reactions?

• To balance the carbon atoms.

• To balance the hydrogen atoms.

• To ensure all coefficients are even numbers.

• To eliminate fractional coefficients.

In the example of balancing C2H6 and O2, what is the final coefficient for O2?

• 2

• 4

• 7

• 3.5

When balancing C2H6 and O2, what is the total number of oxygen atoms on the right side before adjusting coefficients?

• 7

• 8

• 6

• 5

In the example of balancing C10H8 and O2, what is the coefficient for CO in the balanced equation?

• 5

• 10

• 7

• 4

How many oxygen molecules are needed on the left side to balance the reaction of C10H8 with O2?

• 6

• 14

• 7

• 8