Lesson 2.4 Flashcards
1
Q
exothermic reaction
A
a chemical reaction in which heat is released to the surrondings
2
Q
endothermic reaction
A
a chemical reaction that requires heat
3
Q
law of conservation of energy
A
the law that states that energy cannot be created or destroyed
4
Q
activation energy
A
the minimum amount of energy required to start a chemical reaction
5
Q
inhibitors
A
a substance that slows down or stops a chemical reaction
6
Q
catalyst
A
a substance that changes the rate of a chemical reaction without being used up