5.1.1

Question 1

What is half life?

Answer 1

the time it takes for the concentration to half from its original value

Question 2

What order is given if the initial rate doesn’t change?

Answer 2

0

Question 3

If the initial changes by the same factor as the initial concentration, for example tey both double, what it the order given?

Answer 3

first

Question 4

if the initial rate changes by the square of the intiial concentration factor, for example concentration doubles but rate quadruples, what is the order given?

Answer 4

2nd

Question 5

What is the change in rate when an order 0’s concentration doubles?

Answer 5

rate*1

Question 6

What is the change in rate when an order 1’s concentration doubles?

Answer 6

rate*2

Question 7

What is the change in rate when an order 2’s concentration doubles?

Answer 7

rate*4

Question 8

What is the change in rate when an order 0’s concentration is halved?

Answer 8

rate*1

Question 9

What is the change in rate when an order 1’s concentration halves?

Answer 9

rate / 2

Question 10

What is the change in rate when an order 2’s concentration halves?

Answer 10

rate / 4

Question 11

What is the slowest step in a reaction mechanisms?

Answer 11

rate determining step

Question 12

What do rate equations tells us?

Answer 12

the reactants involved
number of each reactant involved from the order