I - Water and pH Flashcards
1
Q
Body Weight: % Dry Body Weight
A
40%
2
Q
Body Weight: % Water
A
60%
3
Q
Body Weight: % ICF
A
40% (2/3 of water)
4
Q
Body Weight: % ECF
A
20% (1/3 of water)
5
Q
Body Weight: % Interstitial Fluid
A
15% (3/4 of ECF)
6
Q
Body Weight: % Blood Plasma
A
5-7% (1/4 of ECF)
7
Q
Which elements can water for hydrogen bonds with?
A
-S, -O, -N
8
Q
Both an acid and a base
A
Amphoteric
9
Q
Has both hydrophilic and hydrophobic parts
A
Amphipathic
10
Q
Donates protons
A
Acid
11
Q
Accepts protons
A
Base
12
Q
pH =
A
-log [H+]
13
Q
pOH =
A
-log [OH-] or 14 - pH
14
Q
Normal pH of blood
A
7.35-7.45
15
Q
pH where reaction happens optimally
A
pKa (50% protonated, 50% unprotonated)
