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Q1 Gen Chem > Lesson 1 > Flashcards

Lesson 1 Flashcards

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1
Q

____ is made up of atoms or molecules

A

Matter

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2
Q

The ______ of these molecules determines the state of matter.

A

arrangement

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3
Q

_____ can change be between states when the temperature or pressure is changed. State changes of matter are physical rather than chemical.

A

Matter

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4
Q

more then one set of intensive properties, and thus more than one phase

A

heterogeneous matter

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5
Q

uniform intensive properties throughout single phase only

A

homogeneous matter

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6
Q

heterogeneous and homogeneous matter is divided into two:

A

mixture and pure substance

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7
Q

pure substances have 2 kinds:

A

elements and compounds

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8
Q

mixture has 2 kinds:

A

homogeneous and heterogeneous

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9
Q

-simplest type of Matter that is composed of one kind of atom

A

element

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10
Q

-composed of two or more elements combined chemically

A

compound

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11
Q

mixture in a single phase

A

homogeneous

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12
Q

more then one set of intensive properties, and thus more than one phase

A

heterogeneous

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13
Q

different physical separation techniques

A

washing, filtration, distillation, chromatography

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14
Q

____ can also be done with organic solvents when there is a mixture with soluble impurities and insoluble compound.

A

washing

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15
Q

insoluble solids like noble metals and compounds like silica can be _____ with water until all the other impurities leave them.

A

washed

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16
Q

insoluble solids like noble metals and compounds like ____ can be washed with water until all the other impurities leave them.

A

silica

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17
Q

____ is a good for separating an insoluble solid a liquid.

A

filtration

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18
Q

An _____ substance is one that does dissolve

A

insoluble

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19
Q

sand, for example, can be separated from a mixture of and water using ______. because sand does not dissolve in water.

A

filtration

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20
Q

-a process that depends on differences in the volatility of the components.

A

distillation

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21
Q

_____ (how readily substances become gases)

A

volatility

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22
Q

-the most volatile component vaporizes at the lowest temperature, and the vapor passes through a cooled tube (a condenser), where it condenses back into its liquid state.

A

distillation

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23
Q

-employ a system with two phases (states) of matter: a mobile phase and a stationary phase. The stationary phase is a solid, and the mobile phase is either a liquid or a gas.

A

chromatography

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24
Q

it works because some of the colored substances dissolve in the liquid better than others, so they further up the paper.

A

chromatography

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25
Q

The stationary phase is a ____, and the mobile phase is either a ____ or ____.

A

solid; liquid or a gas

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26
Q

chemical name of alcohol

A

ethanol

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27
Q

ethanol

A

alcohol

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28
Q

C2H6O

A

ethanol / alcohol

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29
Q

ethanol

A

C2H6O

30
Q

The type of alcohol found in
alcoholic beverages - and also
some thermometers.

A

ethanol-alcohol

31
Q

Antiperspirant

A

Aluminum chlorohydrate

32
Q

Aluminum chlorohydrate

A

Al2Cl(OH)5

33
Q

Al2Cl(OH)5

A

aluminum chlorohydrate

34
Q

Al2Cl(OH)5

A

antiperspirant

35
Q

Used in deodorants and
antiperspirants.

A

antiperspirant/ aluminum chlorohydrate

36
Q

________ refers to a group of salts of which the
molecular formula given is an example.

A

Aluminum chlorohydrate

37
Q

aspirin

A

Acetylsalicylic acid

38
Q

acetylsalicylic acid

A

C9H8O4

39
Q

C9H8O4

A

acetylsalicylic acid

40
Q

____ is a registered trademark owned by Bayer; the generic term is acetylsalicylic acid (ASA)

A

Aspirin

41
Q

Aspirin is a registered trademark owned by Bayer; the generic term is ________ (ASA)

A

acetylsalicylic acid

42
Q

Baking powder

A

sodium bicarbonate

43
Q

NaHCO3

A

sodium bicarbonate

44
Q

sodium bicarbonate

A

NaHCO3

45
Q

NaHCO3

A

baking powder

46
Q

Used in baking where it reacts with other ingredients, releasing carbon dioxide (CO2), helping dough rise

A

sodium bicarbonate / baking powder / NaHCO3

47
Q

bleach laundry

A

Sodium hypochlorite

48
Q

Sodium hypochlorite

A

NaClO

49
Q

NaClO

A

sodium hypochlorite

50
Q

NaClO

A

bleach

51
Q

Common "domestic" bleach is often a solution of approx ____% sodium hypochlorite (NaClO) with "oxygen" and other chemicals.

A

3–6

52
Q

Common "domestic" bleach is often a solution of approx 3–6% _______ (NaClO) with "oxygen" and other chemicals.

A

sodium hypochlorite

53
Q

Common "domestic" bleach is often a solution of approx 3–6% sodium hypochlorite ______ with "oxygen" and other chemicals.

A

(NaClO)

54
Q

Egg shells

A

calcium bicarbonate

55
Q

calcium bicarbonate

A

CaCO3

56
Q

CaCO3

A

calcium bicarbonate

57
Q

CaCO3

A

egg shells

58
Q

Natural product. Part of hens' eggs not usually eaten or used in cooking.

A

egg shells

59
Q

Natural product. Part of hens' eggs not usually eaten or used in cooking.

A

calcium bicarbonate

60
Q

Natural product. Part of hens' eggs not usually eaten or used in cooking.

A

CaCO3

61
Q

Moth
balls (traditional)

A

naphthalene

62
Q

C10H8

A

naphthalene

63
Q

naphthalene

A

C10H8

64
Q

Due to the flammability of
naphthalene, modern mothballs use 1,4-dichlorobenzene as main
ingredient. Both have the strong, pungent odour associated with mothballs

A

mothballs

65
Q

Due to the flammability of
naphthalene, modern mothballs use 1,4-dichlorobenzene as main
ingredient. Both have the strong, pungent odour associated with mothballs

A

naphthalene/ C10H8

66
Q

MSG

A

monosodium glutamate

67
Q

monosodium glutamate

A

MSG

68
Q

C5H8NNaO4

A

monosodium glutamate

69
Q

monosodium glutamate

A

C5H8NNaO4

70
Q

Naturally occurring nonessential amino acid. Used as a
food additive & commonly
marketed as a flavour enhancer.

A

monosodium glutamate / MSG / C5H8NNaO4

Q1 Gen Chem (5 decks)

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