C5-energy Changes Flashcards
1
Q
What is an exothermic reaction
A
Transfers energy to the surroundings, usually by heating. This is shown by a rise in temperature
2
Q
What is an endothermic reaction
A
Takes in energy from the surroundings. This is shown by a fall in temperature
3
Q
What is an example of an exothermics everyday uses
A
Hand warmers
Self heating cans
4
Q
What is an example of an endothermic everyday use
A
Sport injury packs
5
Q
What happens when an endothermic reaction bonds
A
Bond is broken
6
Q
What happens when an exothermic reaction bonds
A
Strong bond is formed
