EOY 4 Flashcards
1
Q
definition of a fuel
A
a material that burns to transfer energy by heating.
2
Q
give an example of a fuel
A
petrol, diesel, coal, hydrogen, cooking oil
3
Q
What is another word for burning?
A
combusting
4
Q
Name the two elements methane is made up of
A
carbon and hydrogen
5
Q
finish the equation
hydrogen + oxygen = ?
A
water
6
Q
option - compound/element
methan is a ?
A
compound
7
Q
state definition for oxidation reaction
A
when substances react with oxygen
8
Q
give an example of an oxidation reaction
A
rusting
9
Q
state definition for conservation of mass
A
total mass of reactanst is equal to the total mass of products.
10
Q
What is endothermic change?
A
the surroundings transfer energy to substances in an endothermic change.
11
Q
what is exothermic change
A
energy transferred to the surroundings.
