Energy Transfer Flashcards
1
Q
In reversible reactions, what’s the same each way?
A
Amount of energy transferred
2
Q
What 2 things can happen in chemical reactions in terms of energy?
A
Transferred to surroundings
Transferred from the surroundings
3
Q
If a reversible reaction is exothermic one way, what is it the other way?
A
Endothermic
4
Q
What are 2 everyday examples of exothermic reactions?
A
Hand warmers
Self heating cans
5
Q
What’s an endothermic reaction?
A
One that takes energy in from the surroundings
6
Q
What are 2 examples of endothermic reactions?
A
Thermal decompositions
Sports injury packs
7
Q
What’s an exothermic reaction?
A
One that transfers energy to the surroundings
8
Q
What are 3 examples of exothermic reactions?
A
Combustion
Oxidation
Neutralisation
