Chapter 5

Question 1

Acids react with what?

Answer 1

active metals, carbonates

Question 2

what is binary acids?

Answer 2

have acid hydrogens attached to a nonmental atom (HCl)

Question 3

carboxylic acid:

Answer 3

have COOH group

Question 4

oxy acids:

Answer 4

have acid hydrohens attached to an oxygen atom like H2SO4

Question 5

what is the definition of acid and base under arrhenius definition?

Answer 5

acid: a substance that produces H+ ions in aqueous solution
Base: A substance that produces OH- ions in aqueous solution

Question 6

what is the bronsted lowry defintioon of acid and base?

Answer 6

acid: proton donor
base: proton acceptor

Question 7

what is the problem with bronsted lowry?

Answer 7

there are a lot of substances where in one scenario they act as a base and in another they act as an acid

Question 8

amphoteric substances:

Answer 8

can act as either an acid or a base

Question 9

a strong acid is a strong what?

Answer 9

electrolyte

Question 10

a strong base is a strong what?

Answer 10

electrolyte

Question 11

what are 6 strong acids?

Answer 11

HCl, HNO3, HBr, HClO4, HI, H2SO4

Question 12

If the equilibrium lies far to the right what does this mean?

Answer 12

the acid is strong

Question 13

whats the difference between a monoproctic and diproctic acid?

Answer 13

monoproctic: acids containing only 1 ionizable proton
Diproctic: acids contaiaining 2 ionic protons like H2SO4

Question 14

In pure water what is the concentration of H3O and OH?

Answer 14

are equal and the solution is said to be neutral

Question 15

what is the pOH scale?

Answer 15

analogous with the pH scale but is defined with respect to OH instead of H3O

Question 16

the smaller the pKa the stronger the ——–

Answer 16

acid

Question 17

The equilibrium H3O+ concentration of a weak acid ————– with increasing initial concentration of the acid

Answer 17

increases

Question 18

the % ionizatin of a weak acid ———- with increasing concentration of the acid.

Answer 18

decreases

Question 19

strong base:

Answer 19

is on that completely dissociates in solution

Question 20

List 6 of the strong bases:

Answer 20

1. Lithium hydroxie (LiOH)
2. Sodium hydroxide (NaOH)
3. Pottasium hydroxide (KOH)
4. Strontium hyodrxide (Sr(OH)2)
5. Calcium hydroxide (Ca(OH)2)
6. Barium hydroxide (Ba(OH)2)

Question 21

a weak base analogous to what?

Answer 21

a weak acid

Question 22

K is ———- dependent

Answer 22

temperature

Question 23

what does it mean if Kb is very small?

Answer 23

the base if very weak

Question 24

Polyproctic acid:

Answer 24

acid molecules have more than 1 ionizable H-