18.1- THE RATE OF CHEMICAL REACTIONS

Question 1

What are the main factors that affect the rate of chemical reactions? (5)

Answer 1

temperature
concentration
pressure 
surface area
catalysts

Question 2

How does the concentration of A,B and C change over time?

A + 2B -> C

Answer 2

conc. of reactants A and B decrease + conc. of product C increases with time

Question 3

What is the rate of reaction defined as?

Answer 3

change in conc. with unit time