EXAM 2

Question 1

Zero order

Answer 1

A= [A]initial -kt

Question 2

First order

Answer 2

ln[A] = ln[A]inital - kt

Question 3

Second order

Answer 3

1/[A] = 1/[A]inital + kt

Question 4

pH + pOH =

Answer 4

14

Question 5

pOH= -log _____

Answer 5

-log[OH-]

Question 6

[OH-] =

Answer 6

10^-pOH

Question 7

[H30+][OH-] = ___

Answer 7

1.0 x 10^-14 at 25 C

Question 8

[H30+] = ___

Answer 8

10^-pH

Question 9

pH= ___

Answer 9

-log[H3O+]

Question 10

Five characteristics of an acidic solution

Answer 10

pH < 7, POH > 7, [H3O+] > [OH-], [OH-] < 1 x 10^-7 [H3O+] > 1 x 10^-7,

Question 11

Five characteristics of a basic solution

Answer 11

pH > 7, pOH<7, [H3O] < [OH-], [OH-] > 1 x 10^-7, [H3O+] [OH-] = 1.0 x 10^-14

Question 12

equation for dissociation of a weak acid

Answer 12

HA (aq) + H2O (l) ⇔ A- (aq) + H3O+ (aq)

Question 13

Dissociation of a strong acid

Answer 13

HA + H₂O → H₃O⁺ + A⁻