Acids Bases

Question 1

Acts as both a base and acid

Answer 1

amphoteric (or amphiprotic)

Question 2

Common amphoteric substance

Answer 2

H20

HCO3 (bicarbonate)

Question 3

produce hydrogen ions (H+) when they dissolve in water

are also electrolytes, because they produce H+ in water.

Answer 3

Arrhenius Acid

Question 4

Acids with a hydrogen ion (H+) and a polyatomic ion are named by changing the end of the name of the polyatomic ion from

Answer 4

ate to ic acid

or

ite to ous acid

Question 5

Acids with a hydrogen ion (H+) and a nonmetal (or CN−) ion are named with the prefix hydro and end with ic acid

Answer 5

e.g., hydrochloric acid

Question 6

Arrhenius bases

Answer 6

produce hydroxide ions (OH−) in water

Also electrolytes

Question 7

According to the Brønsted–Lowry theory, an acid is a substance that ____ H+

Answer 7

donates

Question 8

According to the Brønsted–Lowry theory, a base is a substance that ____ H+

Answer 8

accepts

Question 9

Water ___ H+ when it reacts with a stronger base

Answer 9

donates

Question 10

Water ___ H+ when it reacts with a stronger acid

Answer 10

accepts

Question 11

Hydrofluoric acid, HF, is the only ___ that forms a weak acid

Answer 11

halogen

Question 12

Weak acids only ___ in water

Answer 12

partially dissociate

Question 13

A strong acid completely ___ in aqueous solutions

Answer 13

ionizes (100%)

Question 14

Strong bases form from

Answer 14

metals of Groups 1A (1) and 2A (2).

Question 15

Strong acids have ___ conjugate bases that do not readily accept H+.

Answer 15

weak

Question 16

In any acid–base reaction, there are two acids and two bases…

Answer 16

However, one acid is stronger than the other acid, and one base is stronger than the other base

Question 17

Weak acids have ____ Ka values, while strong acids have ___ Ka values

Answer 17

small

very large

Question 18

pH = −log[H3O+]

Answer 18

pH

Question 19

carbonic acid

Answer 19

h2CO3

Question 20

bicarbonate

Answer 20

HCO3-

Question 21

Carbonic is closely associated with levels of ___

Answer 21

CO2

Question 22

CO2 level rise, then carbonic acid rises, producing more ___ and leads to acidosis

Answer 22

H30+

Question 23

A buffer solution contains a combination of acid–base conjugate pairs, a weak acid, and ___ of its conjugate base

Answer 23

a salt

has equal concentrations of a weak acid and its salt.

Question 24

If you breath fast, CO2 is expelled more quickly, and equilibrium shifts to lower _____, thus raising pH

Answer 24

H30+

and becoming more basic

Question 25

If someone with kidney issues fails to produce sufficient amounts of HCO3-, buffering capacity is reduced and more ____, lowering the pH

Answer 25

H30+

and becoming more acidic