C1B - Using Carbon Fuels Flashcards Preview

Chemistry > C1B - Using Carbon Fuels > Flashcards

Flashcards in C1B - Using Carbon Fuels Deck (17):
0

Why may big companies be bothered about ease of use when thinking about using a particular fuel ?

If they aren't able to move it easily the process will be longer and more complex and they may loose time and money

1

Why is Availability important ?

There's not much point choosing a fuel if you can't get hold of it easily ?

2

What are the factors you should consider when choosing the fuel for you ?

Cost
Availability
Toxicity
Storage
Pollution
Ease of use
Energy value

3

Why is pollution important when choosing a fuel ?

We don't want to pick one which will be adding to acid rain and the green house effect

4

Julie is looking at two fuels and she is only considering the factor of cost. Why could this be a bad thing ?

Some fuels are expensive but have good energy values and produce little pollution which will be good in the long term

5

What releases useful heat energy ?

Combustion of a fuel

6

Complete combustion requires what ?

A plentiful supply of oxygen

7

John burns a hydrocarbon what will he make ?

Only carbon dioxide and water

8

Fill in the gaps

Methane + ------ = ------ ------- + water

Oxygen & Carbon dioxide

9

Julie is burning something in a room with very little oxygen and her teacher tells her that is not complete combustion. Is her teacher right ? Why ?

Yes. It's incomplete combustion as it's taking place in an environment with a limited supply of oxygen

10

Julie burns a blue flame and John a yellow one. Who has the most energy ?

Julie and her blue flame

11

Incomplete combustion produces what ?

Carbon monoxide & Carbon (soot) & Water

12

Give a reason why pollution is increasing related to the burning of fossil fuels ?

More fossil fuels are being burnt as the worlds population increases exponentially. Also the growth of use in developing countries will contribute

13

Why would it be a problem if Russia had more fossil fuels than France ?

Russia will have power over France as they will be able to decide who has access to their fuel supply. This can cause huge conflicts

14

Why are prices of petrol always increasing ?

As stocks of oil gets used up we have less and less available making it a lot more valuable

15

People say oil slicks are okay as detergents can clear them up. Why my environment activists disagree ?

They can harm wildlife

16

Why is oil spills on beaches bad ?

It covers birds feathers making them not be waterproof anymore and stopping them from being able to fly