pH

Question 1

What does pH measure?

Answer 1

acidity

Question 2

What is the unit for pH?

Answer 2

-log10[H+]

Question 3

What is pH and equilibrium between?

Answer 3

H+ and OH-

Question 4

How many parts are there to the pH scale?

Answer 4

14

Question 5

What is neutral on the pH scale?

Answer 5

around 7

Question 6

What is the acidic range on the pH scale?

Answer 6

when you start dropping below 7

Question 7

What is the alkaline range on the pH scale?

Answer 7

start going above 7

Question 8

What has a pH of 0?

Answer 8

battery acid

Question 9

What has a pH of 1?

Answer 9

stomach acid

Question 10

What has a pH of 2?

Answer 10

lemon juice

Question 11

What has a pH of 3?

Answer 11

orange juice

Question 12

What has a pH of 4?

Answer 12

acid rain

Question 13

What has a pH of 5?

Answer 13

black coffee

Question 14

What has a pH of 6?

Answer 14

urine

Question 15

What has a pH of 7?

Answer 15

‘pure’ water

Question 16

What has a pH of 8?

Answer 16

sea water

Question 17

What has a pH of 9?

Answer 17

baking soda

Question 18

What has a pH of 10?

Answer 18

milk of magnesia

Question 19

What has a pH of 11?

Answer 19

ammonia

Question 20

What has a pH of 12?

Answer 20

soapy water

Question 21

What has a pH of 13?

Answer 21

bleach

Question 22

What has a pH of 14?

Answer 22

drain cleaner

Question 23

What will acids do with their protons?

Answer 23

will donate one or more

Question 24

What will alkaline do with their protons?

Answer 24

accept one or more protons

Question 25

What is a strong acid?

Answer 25

fully dissociate to release all potential acidity

Question 26

What is an example of a strong acid?

Answer 26

hydrochloric acid

Question 27

What do weak acids do?

Answer 27

partially dissociate

Question 28

What is an example of a weak acid?

Answer 28

acetic acid

Question 29

What do we use to calculate pH of weak acids?

Answer 29

acidity constant Ka

Question 30

What is pH often controlled by in the environment?

Answer 30

weak acids

Question 31

When does carbonic acid form?

Answer 31

dissociation of CO2 into ocean

Question 32

What is the acidity constant?

Answer 32

Ka

Question 33

What is the water constant?

Answer 33

Kw

Question 34

What makes rainwater acidic?

Answer 34

CO2 dissolves into water creating carbonic acid (weak)

Question 35

What is a weak acid?

Answer 35

One which partially disassociates or deproteinates

Question 36

What is stochiometry?

Answer 36

amount of substance involved in a reaction and how it should be balanced on both sides of the equation