pH

Question 1

When _____ are in a solution, they release hydrogen ions (H+) into the solution

Answer 1

acids

Question 2

The more __ released, the stronger the acid.

Answer 2

H+

Question 3

becomes (dissociates into) H+ and Cl- in a solution

The stronger the acid, the more readily this happens.

Answer 3

HCl (hydrochloric acid)

Question 4

When _____ are in a solution, they release hydroxide ions (OH-) into the solution

Answer 4

bases

Question 5

becomes (dissociates into) Na+ and OH- in a solution

Answer 5

NaOH (sodium hydroxide)

Question 6

can bind to hydrogen ions. A strong ____ can bind more readily than a weak one.

Answer 6

base

Question 7

average blood pH

Answer 7

7.4

Question 8

blood pH falls below 7.35

Answer 8

acidosis

Question 9

blood pH is above 7.45

Answer 9

alkalosis

Question 10

Death occurs if blood pH goes outside the range of _____ for more than a few seconds

Answer 10

6.8-8.0

Question 11

chemicals which help to minimize pH changes when an acid or base is added to the body fluid

Answer 11

buffers

Question 12

Body fluids (especially blood) contain several _______ which help you to resist pH changes.

Answer 12

buffers

Question 13

_____ release hydrogen ions (H+) into a solution

Answer 13

acids