C1:4 Using carbon fuels

Question 1

What are the seven factors that need to be taken into consideration when picking a fuel?

Answer 1

Availability
Cost
Energy Value
Pollution
Ease of use
Toxicity
Storage
ACE PETS

Question 2

What happens to the amount of fossil fuels being burnt as the worlds population increases?

Answer 2

It goes up as more people will be driving and developing countries will require more energy for their developing industrial activities.

Question 3

What is the word equation for incomplete combustion?

Answer 3

hydrocarbon + oxygen ==> carbon monoxide + carbon + water

Question 4

What is the word equation for complete combustion?

Answer 4

hydrocarbon + oxygen ==>Carbon dioxide + water.

Question 5

Describe the differences between the blue and yellow Bunsen Burner flames.

Answer 5

The yellow colour shows that incomplete combustion is taking place and the blue colour tells us that complete combustion is taking place. The blue flame will be far hotter than the yellow flame and produce less soot.

Question 6

Write the word equation for the incomplete combustion of Octane.

Answer 6

(C8H18) +9(O2)==>8(CO) + (O) + 9(H2O)

Question 7

Explain the importance of servicing gas appliances.

Answer 7

They need to be serviced regularly because if they breakdown then they can release carbon monoxide from incomplete combustion which is toxic to humans. Also when they break down they become less efficient and so heat will cost more money.