Lesson 2.4- Energy and Rates of Chemical Reactions Flashcards
1
Q
Exothermic Reaction
A
a chemical reaction in which heat is released to the surroundings
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 but can be changed from one form to another
4
Q
Activation Energy
A
the minimum amount of energy required to start a chemical reaction
5
Q
Inhibitor
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 or changed very much
