Chapter 14 Acids

Question 0

Bases

Answer 0

Taste bitter
Have a slippery feel
Turn red litmus paper blue

Question 1

Acids have/are/able

Answer 1

A sour taste
To dissolve many metals
Turn blue litmus paper red

Question 2

Arrhenius acids and bases

Answer 2

1880s model
Acid- an acid produces H+ ions in aqueous solution
Base- a base produces OH- ions in an aqueous solution

Question 3

Bronsted-Lowry definition

Answer 3

1923
Acid- an acid is a proton donor (H+ ion)
Base- a bad is a proton acceptor (H+ ion)

Question 4

Proton donors and acceptors always occur

Answer 4

Together

Question 5

An amphoteric substance can

Answer 5

Act as an acid or base

Question 6

A conjugate acid-base pair are

Answer 6

Two substances related to each other by the transfer of a proton.

Basically the one the aftermath of losing or gaining an electron.

Question 7

In an acid base reaction, a ___ accepts a proton and becomes a conjugate _____. An _______ donated a proton and becomes a conjugate ________.

Answer 7

Base
Acid
Acid base

Question 8

Neutralization reaction reactant->products

Answer 8

Acid+base—> water + salt
Or if HCl and carbonates
Acid + base ——-> water +gas + salt

Question 9

Acid reaction, acid and metal reactants

Answer 9

Acid+ metal—-> gas + salt

It breaks down the metals into a salt with the hydrogen forming H2

Question 10

Some metals ___ ____ react with acids for instance _____

Answer 10

Do not readily

Gold

Question 11

Acid and a metal oxide reaction

Answer 11

Acid+metal oxide (K2O)—–> water and salt

Question 12

Titration

Answer 12

Is when you react a substance in a solution of known concentration with another substance in a solution of an unknown concentration.

Question 13

Equivalence point

Answer 13

The point at titration when the number of miles of OH- adored equals the number of moles of H+ originally in the solution- is when the titration is complete.

Question 14

Indicator

Answer 14

Is a dye that indicates acidity of the solution.

Question 15

Acids and bases can be categorized as ____ or ____

Answer 15

Strong

Weak

Question 16

Strong acids ______ ionize in a _____

Answer 16

Completely

Solution

Question 17

Double arrow indicates

Answer 17

Partial ionization

Question 18

[H3O+] =

Answer 18

1.0 Molarity/concentration

Question 19

Strong acids are (strong/weak) electrolytes

Answer 19

Strong

Question 20

Monoprotic acids

Answer 20

Contain only one ionizable proton (H)

Question 21

Diprotic acid is

Answer 21

An acid that contains two ionizable protons (H2)

Question 22

Weak acids (do/do not) completely ionize in the solution

Answer 22

Do not

Question 23

Double arrow indicates

Answer 23

Partial ionization

Question 24

Weak acids are

Answer 24

Weak electrolytes

Question 25

The degree to which an acid is strong or weak depends on the attraction between the anion and the H+

Answer 25

Internalize

Question 26

A strong attraction between the anion and cation of the acid results in ______ ionization

Answer 26

Partial

Question 27

A weak attraction between the cation and the anion results in ______ ionization

Answer 27

Complete

Question 28

In terms of molarity a strong acid will have an ____ concentration of H3O while in weak acids the concentration will be ____ than the general molarity

Answer 28

Equal | Less

Question 29

Weak acids make _____ strong bases while strong acids make _____ bases

Answer 29

Strong | Weak

Question 30

Strong base [OH-] = [Na+]=

Answer 30

1. 0 M 1. 0 M 1 to 1 ratio for the given molarity

Question 31

Amphoteric

Answer 31

Means that the substance can act as an acid or a base

Question 32

Product constant for water =

Answer 32

Kw

Question 33

Kw= [H3O+][OH-] | 25C

Answer 33

1.0E-14

Question 34

In a neutral solution

Answer 34

1.0E10-7

Question 35

In an acidic solution [H3O+]_[OH-]

Answer 35

H3O+]>[OH-]

Question 36

In a basic solution H3O+]_[OH-]

Answer 36

H3O+]<[OH-]

Question 37

Ph scale is to _____ while POH scale is to ______

Answer 37

Acids | Bases

Question 38

To calculate PH or POH from Molarity of the respective acid or base simply use _____

Answer 38

-log(H3O)= PH Or -log(OH) = PH

Question 39

To find H3O or OH Molarity from a PH or POH value, simply______

Answer 39

10^-PH Or 10^-POH

Question 40

The some of PH and POH are always __, therefore a solution with 3 PH will have ___ POH

Answer 40

14 | 11

Question 41

Buffers

Answer 41

Resist PH changes

Question 42

A buffer reaction is similar to a

Answer 42

Neutralization reaction

Question 43

The difference between normal neutralization and a buffer is

Answer 43

That buffers are almost entirely comprised of an acid and base mixture with little neutral volume

Question 44

To neutralize a buffer, you must add either ____ acid or _____ more base then the literal amount if the buffer

Answer 44

More | More