Topic 7 - Energy from fuels Flashcards
(5 cards)
1
Q
What is an exothermic reaction?
A
A reaction or process that releases heat energy
2
Q
What is an endothermic reaction?
A
A reaction or process that takes in heat energy.
3
Q
What happens in combustion
A
a substance reacts with oxygen releasing energy.
4
Q
What happens when hydrocarbons and alcohols burn in a plentiful supply of oxygen?
A
carbon dioxide and water are produced
5
Q
When fuels burn they
A
release different quantities of energy.
