c5 - energy chnanges Flashcards
1
Q
what is energy moved around in?
A
chemical reactions
2
Q
what happens during an exothermic reaction?
A
heat is given out
3
Q
what happens during an edothermic reaction
A
heat is taken in
4
Q
what is an example of exothermic reaction
A
combustion
5
Q
what is breaking bonds?
A
endothermic
6
Q
what is bond formation
A
exothermic