Understanding Combustion

What is the primary focus of the video on combustion?

• The history of combustion

• The environmental effects of combustion

• The science of how things burn

• The economic impact of combustion

Which of the following is NOT a necessary component of the fire triangle?

• Heat

• Water

• Fuel

• Oxygen

What is a characteristic of complete combustion?

• Produces a lot of smoke

• Produces carbon monoxide

• Occurs with limited oxygen

• Results in a blue flame

Which type of hydrocarbon bond releases the most energy?

• Double bond

• Triple bond

• Single bond

• Quadruple bond

Why are alkanes the most commonly used hydrocarbon fuels?

• They are the most environmentally friendly

• They are the most abundant

• They are the most expensive

• They are the most energy-efficient

What is the chemical formula for methane?

• CH3

• CH4

• C2H6

• C3H8

In a balanced combustion equation, what must be equal on both sides?

• The temperature

• The number of molecules

• The number of atoms of each element

• The volume of gases

What is the product of complete combustion of hydrocarbons?

• Soot and water

• Carbon monoxide and water

• Carbon dioxide and water

• Methane and water

What is the first step in balancing a combustion equation?

• Balancing the nitrogen atoms

• Balancing the oxygen atoms

• Balancing the hydrogen atoms

• Balancing the carbon atoms

What is the chemical formula for propane?

• C4H10

• C5H12

• C3H8

• C2H6