energy changes Flashcards
1
Q
Exothermic reaction
A
transfers energy to the surroundings usually by heating . This reaction can be shown when there’s a rise in temperature .
2
Q
examples of exothermic reactions
A
combustion
neutralisation reactions
Oxidation reactions
3
Q
Exothermic reactions have lots of everyday uses . Example:
A
hand warmers
self heating cans
4
Q
Endothermic reaction
A
takes in energy from the surrounding . This reaction can be shown when there’s a fall in temperature.
5
Q
examples of endothermic reactions
A
Thermal decomposition
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