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Gian's Big Deck 🥵 > General Chemistry 1 > Flashcards

General Chemistry 1 Flashcards

1
Q

Refers to the amount of matter in an object.

A

Mass

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2
Q

What is density?

A

It is the measure of mass per unit volume.

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3
Q

Measure of the 3D space.

A

Volume

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4
Q

State of matter which is slightly compressible and has high density.

A

Liquid

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5
Q

Differentiate Bose-Einstein Condensate and Plasma

A

BEC has very low kinetic energy while Plasma has very high.

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6
Q

How would you describe “gasses” in terms of its heat expansion and density?

A

Gasses has high heat expansion and very low density.

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7
Q

How will you define Plasma? Give examples of matter in this state.

A

It is produced when gasses are heated to the point where the gasses become charged

Examples: Lightning, Stars, Sun, and Neon Lights

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8
Q

What is the process of turning solid into gas, then gas to solid?

A

Solid to Gas: Sublimation

Gas to Solid: Deposition

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9
Q

State the phase change that may occur when Gas to Liquid happens

A

Condensation

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10
Q

TRUE OR FALSE: CLOUDS ARE LIQUID

A

TRU

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11
Q

How would you define Pure Substances?

A

It cannot be separated through physical means since its a sample of matter with both definite and constant composition and distinct chemical properties.

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12
Q

What type of pure substance can be chemically decomposed? Define and give examples.

A

Compounds - substance containing 2 or more of different elements that are bonded.

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13
Q

What are Mixtures?

A

It is made by mixing substances together even though its not chemically bonded.

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14
Q

Differentiate Homogeneous from Heterogeneous

A

Homogenous are composed of 2 or more compounds that exists only in one phase. Heterogeneous is a combination of compound that exists in two or more phase which is distinguishable for each other.

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15
Q

State the phase change that may occur when Liquid turns in to Gas

A

Vaporization

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16
Q

State the phase change that may occur when Gas turns in to Plasma

A

Ionization

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17
Q

State the phase change that may occur when Plasma turns in to Gas

A

Recombination

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18
Q

State the phase change that may occur when Solid turns in to Bose Einstein Condensate

A

Cooling and Compression

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19
Q

What is the process of turning solid into liquid, then liquid to solid?

A

Melting and Freezing

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20
Q

It is a type of heterogenous mixture which can scatter light or also known as Tyndall effect.

A

Colloid

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21
Q

What are the similarities of Solutions and Colloids?

A

Particles don’t separate on standing and can’t be separated by filtration.

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22
Q

Air is what kind of mixture?

A

Homogeneous

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23
Q

What are Solids?

A

State of matter in which the particles are
very close to each other. Solid object have a
definite shape and volume.

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24
Q

What are Liquids?

A

State of matter in which the particles are
neither close nor too far from each other. Liquids
have a definite volume but indefinite shape.

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25
Q

What are Gasses?

A

State of matter in which the particles are
very far from each other. Gases have indefinite
shape nor volume

26
Q

Compounds are substances containing two or

more of different “blank” that are chemically bonded with each other

A

Elements

27
Q

What are Elements?

A

Elements are the
simplest form of matter with unique physical and chemical properties and it may
contain one or two atoms of the same elements that are bonded together

28
Q

What are the three types of Compounds

A

Acid, Base, and Salt

29
Q

What property does Heat conductivity belong to?

A

Physical - Intensive

30
Q

What property does Electrical capacity belong to?

A

Physical - Extensive

31
Q

What are the Physical properties among the following?

  1. Malleability
  2. Corrosiveness
  3. Heat conductivity
  4. Ability to decompose
  5. Height
  6. Boiling Point
  7. Color
  8. Mass
  9. Flammability
  10. Density
A

Malleability, Heat conductivity, Height, Boiling Point, Color, Mass, and Density

32
Q

Define physical properties

A

Characteristics of a substance that can be observed or measure without changing its composition or identity.

33
Q

Define chemical properties

A

Chemical properties refers to the ability of a substance to undergo a specific chemical change which results to the production of a completely new substance.

34
Q

Name a chemical change that an iron may go through

A

Rusting or Corrosion

35
Q

Property of matter that can be affected by the amount of substance

A

Extensive Property

36
Q

Is Ability to Rot an extensive or intensive property?

A

Walang tamang sagot, physical properties lang ang classified under extensive and intensive :>

37
Q

Property of matter wherein characteristics do not depend on the amount of matter present but on the composition of the sample.

A

Intensive Property

38
Q

Why is boiling point considered an Intensive Property?

A

Boiling point of water remains 100°C

even if you have 10-mL, 9L, or a large pool.

39
Q

TRUE OR FALSE
The following are extensive properties:
height, length, width, shape, and heat
capacity, and heat conductivity

A

False - HEAT CONDUCTIVITY IS AN EXTENSIVE PROPERTY

40
Q

What is the difference of Property and Change

A 
Property = Characteristics/Traits
Change = Phenomena/Event
41
Q

What is Physical Change?

A

Phenomena that alters the state of the materials without changing its composition

42
Q

A phenomena that alters the composition of the substance creating a new substance with a different set of properties

A

Chemical Change

43
Q

TRUE OR FALSE?

Cutting of hair, grinding of nuts, molding of clay, and cracking an egg are some examples of physical change.

A

True

44
Q

What is Evaporation?

A

The process of separating homogenous mixtures that contains a volatile and a nonvolatile substance.

45
Q

Technique to separate out heterogeneous of immiscible substances using their difference in density with respect to gravity

A

Decantation

46
Q

What is Filtration?

A

technique to separate out heterogeneous mixtures of insoluble solid + liquid substances using their difference in size and gravity

47
Q

What is Sieving

A

process of separating a solid-solid mixture using a

mesh which makes use of their difference in size/shape.

48
Q

What is Winowing?

A

Separate solid + solid mixture (heterogeneous) using wind and different weight

49
Q

It is used to separate mixtures containing metals with the use of magnetism (must be ferromagnet)

A

Magnetism

50
Q

Technique that uses centrifugal force to separate substance based on shape and density of particles viscosity of the medium

A

Centrifugation

51
Q

Process of separating mixtures of dissolved substances by passing it in solution or suspension or as a vapor through a medium in which components move at different rates.

A

Paper Chromatography

52
Q

It is a two phase change process wherein it separated out homogeneous mixtures containing two miscible substances using their difference in volatility

A

Distillation

53
Q

Boiling Water: Evaporation; Rice and Water (pag magsasaing):

A

Decantation

54
Q

Separation technique that uses porous barrier that traps the bigger and larger solids

A

Sieving

55
Q

Both substance can be harnessed in Distillation - True or False

A

True (2 phase)

56
Q

Paper Chromatography: Chromatography; Coffee:

A

Filtration

57
Q

Give an example of winnowing

A

Yung mga magsasaka tinatanggal palay from bigas

58
Q

3 types of Elements

A

Metals, non-metals, and metalloid

59
Q

It asks the question whether it is affected by the amount of substance

A

Extensive/Intensive

60
Q

The composition is uniform althroughout

A

Homogeneous

61
Q

CUTE BA KO

A

YES

62
Q

Device used in Centrifugation

A

Centrifuge

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