Energy From fuels Flashcards
1
Q
State the meaning of the term endothermic
A
Endothermic reaction - reaction which takes in heat energy from the surroundings
2
Q
State the meaning of the term exothermic
A
Exothermic reaction - reaction which releases heat energy to the surroundings
3
Q
State the definition of a combustion reaction
A
Combustion reaction is when a substance reacts with oxygen and releases energy
4
Q
What are the products formed when a hydrocarbon reacts with oxygen
A
Water and carbon dioxide
5
Q
What is the balanced chemical equation for the combustion of butane
A
6
Q
What is the balanced chemical equation for the combustion of ethanol
A
7
Q
Calculate the energy in Kj released when 0.1g of ethanol is burned, raising the temperature of 100cm3 of water by 12oC
A
5.016
8
Q
Heat energy formula
A
Eh = cm triangle T
