investigating fuels(unit 3) Flashcards

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1
Q

what do you need to investigate about fuels

A

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

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2
Q

fuels you could investigate

A
petrol
food
methanol
propan-1-ol
pentan-1-ol
paraffin
cooking oil 
ethanol
butan-1-ol
wax
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3
Q

is the reaction for combustion exothermic or endothermic

A

exothermic

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4
Q

fuel+oxygen—->

A

carbon dioxide + water (+ heat energy)

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5
Q

the longer the carbon chain

A

the more energy is released during combustion

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6
Q

other factors to consider when choosing fuel

A

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

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7
Q

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

A

the heat of combustion of the fuels

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