Kinetics

Question 1

What is the general rate determining step?

Answer 1

a A + b B –> products

Question 2

What are the rate law expressions?

Answer 2

r a [A]^a b [B]^b
or
r = k [A]^a [B]^b

Question 3

What is the rate constant units for an overall reaction order of 0?

Answer 3

M.s^-1

Question 4

What is the rate constant units for an overall reaction order of 1?

Answer 4

s^-1

Question 5

What is the rate constant units for an overall reaction order of 2?

Answer 5

M^-1.s^-1

Question 6

What is the rate constant units for an overall reaction order of 3?

Answer 6

M^-2.s^-1

Question 7

First Order reaction equations

Answer 7

ln([A]t / [A]0) = -kt

or

ln[A]t - ln[A]0 = -kt

Question 8

A graph of _________ gives a straight line for a FOR

Answer 8

ln[A]t versus time

Question 9

The slope of the line produced by a FOR is ___________.

Answer 9

-k

Question 10

The y intercept of a straight line produced by a FOR is equal to

Answer 10

ln[A]0

Question 11

What is the half-life formula?

Answer 11

t(1/2) = ln2/k = .693/k

Question 12

Second Order reaction equation

Answer 12

1/[A]t - 1/[A]0 = kt

Question 13

A graph of __________ gives a straight line for a SOR

Answer 13

1/[A]t versus time

Question 14

The slope of a line produced in a SOR is

Answer 14

+k

Question 15

The y intercept for a line produced by a SOR is

Answer 15

1/[A]0

Question 16

The graph of ______________ gives a straight line for a ZOR

Answer 16

[A]t versus time

Question 17

The slope of a line produced by a ZOR

Answer 17

-k

Question 18

The y intercept of a line produced by a ZOR

Answer 18

[A]0