rates of reactions

Question 1

rate of reaction

Answer 1

the change in concentration per unit time of any one reactant or product

Question 2

enzyme

Answer 2

substance produced by a living cell and acts as a biological catalyst

Question 3

catalyst

Answer 3

substance that alters the rate of as chemical reaction but is not consumed in the reaction

Question 4

homogenous catalysis

Answer 4

both reactants and catalyst in the same phase ; state

Question 5

heterogenous catalysis

Answer 5

reactants and catalyst are in different phases

Question 6

autocatalysis

Answer 6

one of the products of the recitation acts as a catalyst for the reaction

Question 7

catalytic converter

Answer 7

device on the exhaust system of a motor vehicle which contains catalysts to convert harmful gasses to less harmful ones

Question 8

catalytic poison

Answer 8

substance that makes a catalyst inactive

Question 9

effective collision

Answer 9

one that results in the formation of products

Question 10

activation energy

Answer 10

minimum energy that colliding particles must have for a reaction to occur