Combustion

Question 1

What is a combustion reaction?

Answer 1

Burning is also called a combustion reaction. A combustion reaction is a reaction where a substance reacts with oxygen and heat (energy) is released.

Question 2

Are combustion reactions exothermic or endothermic?

Answer 2

Therefore, combustion reactions are exothermic reactions.

Question 3

Equation for combustion reactions

Answer 3

fuel + oxygen → other products + energy

Question 4

What are some combustion reactions?

Answer 4

Burning wood
A lit match
Burning coal
Burning gas
Fireworks

Question 5

What is incomplete combustion?

Answer 5

Combustion releases the most energy when there is plenty of oxygen. Incomplete combustion occurs when the supply of oxygen is poor.

Question 6

What is produced?

Answer 6

In this type of combustion, water is still produced, however, carbon monoxide and carbon are produced instead of carbon dioxide. The carbon is released as soot.
Example: incomplete combustion of coal

Question 7

Equation of incomplete combustion

Answer 7

carbon + oxygen → carbon monoxide + energy

Question 8

What are some examples of incomplete combustion?

Answer 8

Gas appliances, heaters or fireplaces that are not properly designed, adjusted or maintained
Cars that have not been serviced for a long period of time
Inefficient burning of fossil fuels

Question 9

Carbon Monoxide warning?

Answer 9

A byproduct of incomplete combustion is carbon monoxide.

Carbon monoxide is a colourless, odourless and tasteless gas that is extremely toxic.

Question 10

What are some symptoms of carbon monoxide poisoning?

Answer 10

Dizziness
Nausea
Shortness of breath
Confusion
May ultimately lead to death