P1-2 Matter Flashcards
(86 cards)
1
Q
Study of matter
A
Chemistry
2
Q
Anything that occupies space and has mass
A
Matter
3
Q
Formula for weight
A
Mass x pull of gravity
4
Q
Amount of matter present in the material
A
Weight
5
Q
Two properties of mater
A
Intrinsic
Extrincic
6
Q
9 intensive properties of matter
A
Boiling point Color Concentration Density Freezing point Melting point Optical activity pH Sublimation temperature
7
Q
Mass dependent property of matter
A
Extrinsic
8
Q
5 extrinsic properties of matter
A
Heat content Pressure Temperature Weight Volume
9
Q
Changes that matter undergoes
A
Physical
Chemical
10
Q
Change in phase
A
Physical change
11
Q
Evidence of chemical change
A
Absorption of heat Emission of light Evolution of gas Formation of a precipitate Generation of electricity Production of mechanical energy
12
Q
Four physical states
A
Solid
Liquid
Gas
Plasma
13
Q
Two other names of plasma
A
Mesophase
Liquid crystals
14
Q
What does plasma crystal resembles?
A
Crystalline lattice
Anisotropic refraction of light
15
Q
Ordered arrangement of atoms
A
Crystal lattice
16
Q
Meaning of LCD
A
Liquid crystal display
17
Q
Two main types of liquid crystals
A
Smetic
Nematic
18
Q
Soap like liquid crystals
A
Smectic
19
Q
Thread-like liquid crystals
A
Nematic
20
Q
Six distinct crystal system
A
Cubic Tetragonal Hexagonal Rhombic Monoclinic Triclinic
21
Q
CN: cubic crystal system
A
Sodium chloride
22
Q
CN: tetragonal crystal system
A
Urea
23
Q
CN: hexagonal crystal system
A
Iodoform
24
Q
CN: rhombic crystal system
A
Iodine
25
CN: monoclinic crystal system
Sucrose
26
CN: triclinic crystal system
Boric Acid
27
Two kinds of matter accdg to composition
Pure
| Mixture
28
Two classifications of pure matter
Elements
| Compounds
29
Two classifications of mixture
Homogeneous
| Heterogeneous
30
Three kinds of homogeneous mixture
Solution
Suspension
Colloids
31
Two laws that supports compounds
Law of definite proportion
| Law of multiple proportion
32
Simplest form of matter
Element
33
Can element be decomposed by physical and chemical means?
Naur
34
Substance composed of two or more elements united chemically
Compound
35
Can compounds be changed into simpler substances?
Naur
36
What is law of definite proportion?
States that the elemental composition of a pure compound is always the same regardless
37
What is law of multiple proportions?
Elements combines in different ratios of whole numbers to form different compounds
38
Composed if two or more elements which are not chemically combined
Mixture
39
Mixture classification of two or more distinct phases
Heterogeneous
40
Mixture classification with one phase only
Homogeneous
41
Kind of homogenous mixture which is uniformed
Solution
42
Solute + solvent =
Solution
43
Status of atoms, molecules and ions of the substance in a solution
Dispersed
44
Homogenous dispersion insoluble in liquid
Suspension
45
Other name of suspension
Coarse mixture
46
Finely divided solid materials distributed in a liquid. What kind of homogenous mixture?
Suspension
47
Contain particles bigger than those in solutions but smaller than those in suspension
Colloids
48
What effect that colloids exhibit?
Light scattering effect
49
Four properties of colloids
Adsorption
Brownian Movement
Electricity charge
Tyndall effect
50
Property behind light scattering effect
Tyndall effect
51
Responsible for zigzag movement if colloidal particles
Brownian movement
52
Author of Law of Conservation of Mass
Antoine Van Lavoisier
53
Total mass of reactant is equal to the total mass of products or mass is either created nor destroyed in any transformation of matter
Law of conservation of mass
54
Gas to solid
Deposition
55
Endothermic: energy is
Absorbed
56
Exothermic: energy is
Released
57
Solid to gas
Sublimation
58
Difference of liquefaction and condensation
Liquefaction may increasing pressure
59
Liquid to solid, room temperature
Solidification
60
Separation of immiscible substances
Decantation
61
Evaporation and condensation
Distillation
62
Process of separation of mixtures
```
Centrifugation
Chromatography
Decantation
Distillation
Filtration
Functional crystallization
Magnetic separation
Sorting
```
63
Separation for metals
Magnetic separation
64
Separation mechanically
Sorting
65
Solid to liquid separation
Filtration
66
Speeding ho of settling process into precipitate
Centrifugation
67
6 processes involved in chemical mixture
```
Combustion
Fermentation
Hydrolysis
Neutralization
Reduction
Saponification
```
68
Reaction between an allali and fats forming soap
Saponification
69
Bacteria turning into alcohol
Fermentation
70
Rxn of water on salt forming acid and base
Hydrolysis
71
Acid and base to form salt and water
Neutralization
72
Two factors affecting hydrolysis
pH of soln
| Temperature
73
Oxygen is removed from compound or H is added
Reduction
74
Reaction of oxygen and other substance
Combustion
75
Union of two light atoms to form a bigger molecule
Nuclear fusion
76
Splitting of a heavy atom
Nuclear fission
77
5 types of chemical reaction
```
Decomposition/Analysis
Direct Union/Synthesis
Double Displacement/Metathesis
Redox
Single Replcement
```
78
What type of chemical reaction is combustion
Direct union
79
Type of chemical reaction that involves the formation of elementa
Direct Union
80
Metal oxides: basic or acidic
Basic
81
Nonmetal oxides: acidic or basic
Acidic
82
Type of chemical reaction that breakdowns complex substances into simpler substances
Decomposition
83
Causing chemical change by passing electricity through conducting solution
Electrolysis
84
Reducing agent: oxidation or reduction?
85
Oxidation or reduction: high oxidation state
86
Least reactive metal
Au
