2.4 Energy and Rates of Chemical Reactions Flashcards Preview

Science 8th Grade > 2.4 Energy and Rates of Chemical Reactions > Flashcards

Flashcards in 2.4 Energy and Rates of Chemical Reactions Deck (11):
1

a chemical reaction in which heat is released to the surroundings

exothermic reactions

2

means to go out

exo

3

a chemical reaction that requires heat

endothermic reaction

4

means to go in

endo

5

the law that states that energy can not be created or destroyed but can be changed from one form to another

law of conservation of energy

6

the speed at which new particles form

rate of reaction

7

the minimum amount of energy required to start a chemical reaction

activation energy

8

a measure of the amount of one substance dissolved into another substance

concentration

9

the amount of exposed surface of a substance

surface area

10

a substance that slows down or stops a chemical reaction

inhibitor

11

a substance that changes the rate of a chemical reaction without being used up or changed very much

catalyst