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INORG CHEM > 1st quiz > Flashcards

1st quiz Flashcards

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1
Q

Anything that has mass and occupies space

A

Matter

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2
Q

Measurement of the amount of matter

A

Mass

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3
Q

made up of atoms

A

Mass

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4
Q

Atoms is building blocks of

A

matter

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5
Q

Smallest amount/unit of life

A

Atom

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6
Q

What is elements

A

simplest form of atom

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7
Q

Does elements can be breakdown into molecules?

A

Yes

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8
Q

What are the states of matter?

A

SOLID, LIQUID, GAS, & PLASMA

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9
Q

H2O molecule are enclose together

A

Solid

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10
Q

has a fixed volume and shape and cannot change

A

Solid

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11
Q

h2o molecule are still enclose but can move around into some extent

A

Liquid

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12
Q

Definite volume, doesn’t have fixed shape

A

Liquid

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13
Q

takes the shape of container or copy the shape

A

Liquid

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14
Q

Doesn’t have definite volume and fixed shape

A

Gas

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15
Q

molecule that can move freely

A

Gas

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16
Q

What are the 5 transitions of matter?

A

Condensation
Freezing
Melting point
Sublimation
Evaporation

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17
Q

Gas- liquid

A

Condensation

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18
Q

Liquid- solid

A

Freezing

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19
Q

Solid- liquid

A

Melting

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20
Q

liquid- gas

A

Evaporation

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21
Q

solid-gas

A

sublimation

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22
Q

Attributes of matter that is independent of its chemical composition

A

Physical Properties

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23
Q

Does physical Propeties constant and can change?

A

Yes

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24
Q

What composes physical properties? MHEDBC

A

Melting point (0 degree celcius)
Hardness
Electrical conductivity
Density
Boiling point (100 degress celcius)
Color

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25
Q

What composes chemical properties? FRAT

A

Flamibility
Reactivity
Acidity
Toxicity

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26
Q

Tendency of matter to combine chemically with other substance.

A

REACTIVITY

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27
Q

Example of reactivity

A
  • KI + iodine crystal = Povidone Iodide
  • Fe + O = Rust
28
Q

Rust doesn’t cause tetanus, what bacteria cause it?

A

Clostridium tetani

29
Q

Tendency of matter to burn

A

Flamibility

30
Q

Refer to a combination of chemical element that may cause harm to the organism.

A

Toxicity

31
Q

measure the acidity and alkalinity

A

pH

32
Q

It is alkaline / basic if

A

8-14

33
Q

It is acid if

A

1- 6.9

34
Q

Neutral ph is

A

7

35
Q

What is INTENSIVE PROPERTIES?

A

-constant
- you can’t change
- do not depend on the matter that is present

36
Q

INTENSIVE PROPERTIES involves: BDMFSC

A

Boiling Point
Density
Melting point
freezing point
specific gravity
conductivity

37
Q

Example of intensive properties

A

water= density is 1g/mL

38
Q

What is EXTENSIVE PROPERTIES?

A

-depends on the amount of matter
-not constant
- it will/ can change

39
Q

EXTENSIVE PROPERTIES involves: WEV

A

Volume
Weight
Energy

40
Q

Physical Changes is

A

changes in physical properties such as size, shape, and density

41
Q

Changes in matter without undergoing a change in composition of the substance

A

Physical Changes

42
Q

Example of physical changes

A
  1. paper-shred= still paper
  2. melt + water = still water
  3. wood-cut= still wood
  4. Blowing Balloon= still balloon
43
Q

Chemical change is

A

change is irreversible

44
Q

Changes in matter undergoes change in its composition and or its structure

A

Chemical Change

45
Q

What change where there is new substance are formed.

A

Chemical Change

46
Q

Example of Chemical Changes

A
  1. wine- go through fermentation
  2. rusting iron
  3. curdling milk
  4. burning of paper
47
Q

What are the 2 classification of matter?

A

Mixture and Pure substance

48
Q

Definition of pure substance

A
  • can’t separate
  • compose of compound + element
  • it’s constant and have definite composition
49
Q

What is compound?

A

combination of 2 or more element in a FIXED PROPORTION

50
Q

What is fixed proportion?

A

has fixed amount

51
Q

Does sulfuric acid can be separated?

A

Yes, through DECOMPOSITION PROCESS

52
Q

T/F: Element cannot separate in simpler substance.

A

True

53
Q

What process can make to separate an element like H2O?

A

ELECTROLYSIS

54
Q

Definition of Mixture?

A

consist of 2 or more different elements /compounds

55
Q

Can separate easily or into its components by physical means

A

Mixture

56
Q

Proportion of components may vary

A

Mixture

57
Q

Mixture can be divided into 2 : __________

A
  1. Homogenous
  2. Heterogenous
58
Q

It is uniform composition throughout mixture

A

Homogenous

59
Q

Components can easily be seen

A

Heterogenous

60
Q

Example of Homogenous

A
  • powdered juice + water
  • vinegar ( acetic acid + h2O)
61
Q

Example of heterogenous

A
  • rice + water
  • oil + water
62
Q

Mixture can be separated through:

A

Rice + water = through DECANTATION
Oil + water = through filtration
Suspension= filtration

63
Q

What are the methods of separation? (3)

A

Distillation
Evaporation
Filtration

64
Q

Process of separating the component of a liquid mixture through selective evaporation and condensation

A

Distillation

65
Q

conversion of liquid to gas

A

Evaporation

66
Q

process which solid particles in a liquid or gaseous fluid removed by the use of filter medium (mesh) that permits fluid to pass through but retains the solid particles.

A

Filtration

INORG CHEM (7 decks)

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