Energy and Rates of Chemical Reactions 2.4

Question 1

a chemical reaction in which heat is released to the surroundings

Answer 1

exothermic reaction

Question 2

a chemical reaction that requires heat

Answer 2

endothermic reaction

Question 3

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

Answer 3

law of conservation of energy

Question 4

the minimum amount of energy required to start a chemical reaction

Answer 4

activation energy

Question 5

a substance that slows down or stops a chemical reaction

Answer 5

inhibitor

Question 6

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

Answer 6

catalyst

Question 7

go out or exit

Answer 7

exo

Question 8

heat or energy

Answer 8

thermic

Question 9

go in

Answer 9

endo

Question 10

the speed at which new particles form

Answer 10

rate of a reaction

Question 11

measure of the amount of one substance dissolved in another substance

Answer 11

concentration

Question 12

the amount of exposed area of a substance

Answer 12

surface area

Question 13

speed up most reactions in your body

Answer 13

enzymes