Methane Combustion and Properties

The video tutorial explains the combustion of methane (CH4) with oxygen, resulting in carbon dioxide and water. It describes the exothermic nature of the reaction and demonstrates how to balance the chemical equation. The tutorial also highlights the significance of methane in energy production and its environmental impact due to carbon dioxide emissions.

What is the chemical formula for methane?

• CH3

• CH4

• C2H4

• C2H6

What role does activation energy play in the combustion of methane?

• It cools down the reaction.

• It has no effect on the reaction.

• It initiates the reaction.

• It stops the reaction.

Which of the following is a product of methane combustion?

• Carbon Dioxide

• Oxygen

• Nitrogen

• Methane

How many hydrogen atoms are present on the reactant side of the balanced equation for methane combustion?

• 2

• 4

• 6

• 8

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

• 5

• 4

• 3

• 2

What is the coefficient of O2 in the balanced equation for methane combustion?

• 4

• 3

• 2

• 1

Why is it often helpful to leave oxygen atoms till last when balancing the equation?

• Oxygen is the least reactive.

• Oxygen is already balanced.

• Oxygen is not needed in the equation.

• Oxygen appears in multiple compounds.

What is one of the main uses of methane?

• To create metals

• To make fertilizers

• To heat homes

• To produce plastics

What environmental issue is associated with the combustion of methane?

• Ozone depletion

• Acid rain

• Climate change

• Water pollution

Who is the presenter of the video?

• Dr. D

• Dr. A

• Dr. C

• Dr. B