Bio Chem Flashcards
1
Q
earth’s surface is covered by — water
A
71%
2
Q
salt water
A
97%
3
Q
freshwater in glacier and ice caps
A
2%
4
Q
freshwater
A
1%
5
Q
it is the movement of water on earth and in the atmosphere between different states
A
the water cycle
6
Q
gas to liquid
A
condensation
7
Q
liquid to gas
A
evaporation
8
Q
liquid to solid
A
freezing
9
Q
solid to liquid
A
melting
10
Q
gas to solid
A
deposition
11
Q
solid to gas
A
sublimation
12
Q
is any liquid or frozen water that forms in the atmosphere and falls back to the earth
A
precipitation
13
Q
- drink for good health
- pH balance
- antioxidants
A
alkaline water
14
Q
- use for hair and skin
- first aid
- sanitizing surfaces
A
acidic water
15
Q
- most tap water
- little or no effect
- safe for drinking
A
neutral pH water
16
Q
- does not exist in nature
- can become acidic
- lacks essential minerals
- not safe to drink
A
pure water
17
Q
basic and pinaka safe na inumin
A
pH 9 water
18
Q
taste sour
A
acids
19
Q
react with some metals to give off hydrogen gas
A
acids
20
Q
conduct electricity in solution
A
acids
21
Q
taste bitter
A
bases
22
Q
feel slippery
A
bases
23
Q
dissolve fats and oils
A
bases
24
Q
pag may H acid, pag may OH base
A
arrhenius theory
25
proponent of arrhenius theory
svante arrhenius
26
increases the concentration of hydrogen ions in an aqueous solution
arrhenius acid
27
increases the concentration of hydroxide ions in an aqueous solution
arrhenius base
28
proponents of bronsted-lowry theory
johannes nicolaus bronsted
thomas martin lowry
29
conjugate acid-base pair
bronsted-lowry theory
30
a species that donates proton
bronsted-lowry acid
31
a species that accepts protons
bronsted-lowry base
32
proponent of lewis theory
gilbert n. lewis
33
bases donate pairs of electrons and acids accept pairs of electrons
lewis theory
34
is an electron acceptor
lewis acid
35
is an electron donor
lewis base
36
nucleus loving species
nucleophile
37
electron loving
electrophile
38
product of lewis acid and lewis base
adduct
39
proponent for boyle acid base definition
robert boyle
40
litmus paper (acid)
blue to red
41
latin word means sour
acidus
42
litmus paper (base)
red to blue
43
tooth decay begins when the pH of the mouth falls below
5.5
44
most acidic biological fluid
gastric juice
45
most basic biological fluid
pancreatic juice
46
when the pH or pOH is given (concentration ang hinahanap)
antilog (-__)
shiftlog (-__)
47
when the concentration of hydrogen/hydroxide ions is the given (pH/pOH ang hinahanap)
-log (__)
48
pH + pOH = ?
14
49
if pOH is less than 7, it is
basic
50
if pOH is more than 7, it is
acidic
51
if pH is less than 7, it is
acidics
52
if pH is more than 7, it is
basic
53
H2SO4
sulfuric acid
54
HClO4
perchloric acid
55
HBr
hydrobromic acid
56
HCl
hydrochloric acid
57
HI
hydroiodic acid
58
HNO3
nitric acid
59
LiOH
lithium hydroxide
60
NaOH
sodium hydroxide
61
KOH
potassium hydroxide
62
Ca(OH)2
calcium hydroxide
63
Sr(OH)2
strontium hydroxide
64
Ba(OH)2
barium hydroxide
