investigating fuels(unit 3)

Question 1

what do you need to investigate about fuels

Answer 1

how much energy will they produce
what pollutants they produce
how a fuel is chosen for specific purposes, for example, fuelling cars, heating rooms, cooking

Question 2

fuels you could investigate

Answer 2

petrol
food
methanol
propan-1-ol
pentan-1-ol
paraffin
cooking oil 
ethanol
butan-1-ol
wax

Question 3

is the reaction for combustion exothermic or endothermic

Answer 3

exothermic

Question 4

fuel+oxygen—->

Answer 4

carbon dioxide + water (+ heat energy)

Question 5

the longer the carbon chain

Answer 5

the more energy is released during combustion

Question 6

other factors to consider when choosing fuel

Answer 6

how easy it ignites
how easy it is to store
how easy it is to transport how much /type of pollution it produces

Question 7

the change in temperature of the water and the change in mass of the spirit burner can be used to calculate?

Answer 7

the heat of combustion of the fuels