exothermic and endothermic reactions Flashcards
1
Q
exothermic reactions ______ energy. This makes the surroundings ______.
A
release
hotter
2
Q
endothermic reactions ______ energy. This makes the surroundings ______.
A
take in
cooler
3
Q
is breaking bonds endothermic or exothermic? why?
is this positive or negative for bond energy calculations?
A
endothermic because energy is gained.
positive
4
Q
is making bonds endothermic or exothermic? why?
is this positive or negative for bond energy calculations?
A
exothermic because energy is released
negative
