2.4 Energy and Rates of Chemical Reactions Flashcards
(6 cards)
1
Q
A reaction in which heat is released to the surroundings.
A
Exothermic Reaction
2
Q
A chemical reaction that requires heat.
A
Endothermic reation
3
Q
The law that states that energy cannot be created or destroyed but can be changed from one form to another.
A
Law of conservation of energy
4
Q
The minimum amount of energy required to start a chemical reaction.
A
Activation energy
5
Q
A substance that slows down or stops a chemical reaction.
A
inhibitor
6
Q
A substance that charges the rate of chemical reactions without being used up or changed very much.
A
catalyst
