Chem Review Acids,Bases,Salts and PH

Question 1

The common product dissociation or separation of ions of water molecules is..

Answer 1

H+ (Hydrogen ions)

Question 2

Equal amounts of H+ and OH- (hydroxide ion)

Answer 2

Pure water

Question 3

Acids are proton __ donors

Answer 3

(H+)

Question 4

Acids have __ H+ concentration

Answer 4

HIGH

Question 5

what completely dissociate in solution. They have a strong effect on pH.

Answer 5

Strong acids

Question 6

do not completely dissociate in solution; only partial dissociation will occur.

Answer 6

Weak acids

Question 7

what substances that dissociate in water, releasing hydroxide ions (OH-) OR take up (accept)
hydrogen ions (H+).

Answer 7

Bases

Question 8

what is a proton (H+) acceptor

Answer 8

A base

Question 9

which solutions have low H+ concentrations

Answer 9

A BASE

Question 10

What will readily bind any free H+ in solution and have a strong effect on pH.

Answer 10

Strong bases

Question 11

does not completely dissociate in solution; only partial dissociation will occur

Answer 11

Weak Bases

Question 12

is an ionic compound consisting of any cation except H+ and any anion except OH-.

Answer 12

A Salt

Question 13

Salts are examples of

Answer 13

ELECTROLYTES

Question 14

is an inorganic compound that dissociates into ions when placed into a solution. These ions are then able to conduct current.

Answer 14

An electrolyte

Question 15

the concentration of H+ determines

Answer 15

the pH of a solution

Question 16

The pH of a solution will be a value between

Answer 16

0 and 14.

Question 17

A solution with a pH=7

Answer 17

is neutral

Question 18

A neutral solution has an equal number of

Answer 18

H+ and OH- ions

Question 19

Any solution that has an unequal number of H+ and OH- ions will be considered what?

Answer 19

either acidic or basic.

Question 20

If the solution has more H+ than OH-, it will be?

Answer 20

an acidic solution and the pH will be less than 7.

Question 21

the solution has more OH- than H+, it will be

Answer 21

a basic solution and the pH will be greater than 7

Question 22

pH=7 is neutral it has

Answer 22

equal H+ and OH-

Question 23

pH less than 7 is acidic has

Answer 23

more H + than OH-

Question 24

pH greater than 7 is basic has

Answer 24

less H + than OH-

Question 25

pH is a?

Answer 25

log scale not a linear scale

Question 26

A buffer is composed of a

Answer 26

weak acid and a weak base.

Question 27

what helps to minimize the change in the pH of a solution when acids or bases are added

Answer 27

Buffers

Question 28

what resist changes in pH.

Answer 28

Buffers

Question 29

When the pH of a solution ____ the acid of the buffer will dissociate and release H+. This addition of H+ to the solution will help to lower the pH.

Answer 29

increases

Question 30

When the pH of a solution ____, the base of the buffer absorbs H+. This removal of H+ from the solution will help to increase the pH.

Answer 30

decreases,

Question 31

The most important buffer in the body is the

Answer 31

carbonic acid ((H2CO3) / bicarbonate (HCO3-) buffering
system