Bio Chem Flashcards

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1
Q

earth’s surface is covered by — water

A

71%

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2
Q

salt water

A

97%

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3
Q

freshwater in glacier and ice caps

A

2%

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4
Q

freshwater

A

1%

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5
Q

it is the movement of water on earth and in the atmosphere between different states

A

the water cycle

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6
Q

gas to liquid

A

condensation

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7
Q

liquid to gas

A

evaporation

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8
Q

liquid to solid

A

freezing

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9
Q

solid to liquid

A

melting

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10
Q

gas to solid

A

deposition

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11
Q

solid to gas

A

sublimation

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12
Q

is any liquid or frozen water that forms in the atmosphere and falls back to the earth

A

precipitation

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13
Q
  • drink for good health
  • pH balance
  • antioxidants
A

alkaline water

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14
Q
  • use for hair and skin
  • first aid
  • sanitizing surfaces
A

acidic water

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15
Q
  • most tap water
  • little or no effect
  • safe for drinking
A

neutral pH water

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16
Q
  • does not exist in nature
  • can become acidic
  • lacks essential minerals
  • not safe to drink
A

pure water

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17
Q

basic and pinaka safe na inumin

A

pH 9 water

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18
Q

taste sour

A

acids

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19
Q

react with some metals to give off hydrogen gas

A

acids

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20
Q

conduct electricity in solution

A

acids

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21
Q

taste bitter

A

bases

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22
Q

feel slippery

A

bases

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23
Q

dissolve fats and oils

A

bases

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24
Q

pag may H acid, pag may OH base

A

arrhenius theory

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25
Q

proponent of arrhenius theory

A

svante arrhenius

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26
Q

increases the concentration of hydrogen ions in an aqueous solution

A

arrhenius acid

27
Q

increases the concentration of hydroxide ions in an aqueous solution

A

arrhenius base

28
Q

proponents of bronsted-lowry theory

A

johannes nicolaus bronsted
thomas martin lowry

29
Q

conjugate acid-base pair

A

bronsted-lowry theory

30
Q

a species that donates proton

A

bronsted-lowry acid

31
Q

a species that accepts protons

A

bronsted-lowry base

32
Q

proponent of lewis theory

A

gilbert n. lewis

33
Q

bases donate pairs of electrons and acids accept pairs of electrons

A

lewis theory

34
Q

is an electron acceptor

A

lewis acid

35
Q

is an electron donor

A

lewis base

36
Q

nucleus loving species

A

nucleophile

37
Q

electron loving

A

electrophile

38
Q

product of lewis acid and lewis base

A

adduct

39
Q

proponent for boyle acid base definition

A

robert boyle

40
Q

litmus paper (acid)

A

blue to red

41
Q

latin word means sour

A

acidus

42
Q

litmus paper (base)

A

red to blue

43
Q

tooth decay begins when the pH of the mouth falls below

A

5.5

44
Q

most acidic biological fluid

A

gastric juice

45
Q

most basic biological fluid

A

pancreatic juice

46
Q

when the pH or pOH is given (concentration ang hinahanap)

A

antilog (-__)
shiftlog (-__)

47
Q

when the concentration of hydrogen/hydroxide ions is the given (pH/pOH ang hinahanap)

A

-log (__)

48
Q

pH + pOH = ?

A

14

49
Q

if pOH is less than 7, it is

A

basic

50
Q

if pOH is more than 7, it is

A

acidic

51
Q

if pH is less than 7, it is

A

acidics

52
Q

if pH is more than 7, it is

A

basic

53
Q

H2SO4

A

sulfuric acid

54
Q

HClO4

A

perchloric acid

55
Q

HBr

A

hydrobromic acid

56
Q

HCl

A

hydrochloric acid

57
Q

HI

A

hydroiodic acid

58
Q

HNO3

A

nitric acid

59
Q

LiOH

A

lithium hydroxide

60
Q

NaOH

A

sodium hydroxide

61
Q

KOH

A

potassium hydroxide

62
Q

Ca(OH)2

A

calcium hydroxide

63
Q

Sr(OH)2

A

strontium hydroxide

64
Q

Ba(OH)2

A

barium hydroxide