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Thanatochemistry > Exam 1 Material > Flashcards

Exam 1 Material Flashcards

(125 cards)

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0
Q

____ is a branch of natural science that is concerned with the description and classification of matter, the changes that matter undergo’s, and the energy that is associated with those changes

A

Chemistry

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1
Q

____ is the chemistry of death, a study of physical and chemical changes in the body that are caused by death

A

Thanatochemistry

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2
Q

____ this is the study of matter that does NOT contain carbon

A

Inorganic Chemistry

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3
Q

The simplest type of matter based on composition are called ____.

A

Elements

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4
Q

____ is the study of compounds which contain the element carbon “C”

A

Organic Chemistry

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5
Q

____ is the chemistry of living organisms, or compounds produced by living organisms.

A

Biochemistry

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6
Q

____ is the chemistry involved in the embalming process, those types of matter and changes in matter related to the disinfection and preservation of human remains

A

Embalming Chemistry

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7
Q

Chemical Measurements

A

Metric Sytem

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8
Q

____ is the standard unit of length in the metric system

A

Meter

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9
Q

____ is the standard unit of volume in the metric system

A

Liter

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10
Q

____ is the standard unit of mass in the metric system

A

Kilogram

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11
Q

____ is the standard unit of heat in the metric system

A

calorie or small calorie

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12
Q

____ is the amount of heat necessary to raise the temp of 1g of water 1 degree Celsius of stp (standard temperature pressure)

A

calorie or small calorie

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13
Q

Scales to measure temperatures are ____, ____, and ____.

A

F (Fahrenheit, may have negative temperatures)

C (Celsius or Centigrade, may have negative temperatures)

K (Kelvin, no negative temps can exist on this scale)

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14
Q

Freezing Points of water of each scale
F ___
C ___
K ___

A

32 degrees F
0 degrees C
273K

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15
Q

Boiling Points of water for each scale
F ____
C ____
K ____

A

212F
100C
373K

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16
Q

____ is anything that occupies space and possesses mass

A

Matter

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17
Q

____ are characteristics which substances can be identified

A

Properties

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18
Q

____ properties of substance in which can be seen without a change of chemical composition

A

Physical

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19
Q

____ are solid, liquid, or gas

A

State of Matter

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20
Q

____ is a measure of how well two substances mix

A

Solubility

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21
Q

____ is the ratio of the mass of a substance to its volume

A

Density

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22
Q

____ is the ratio of densities with water as the standard

A

Specific Gravity

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23
Q

____ are the characteristics that can be observed when a substance reacts with other substances resulting in a change of chemical composisiton

A

Chemical Properties

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24
____ is a rapid oxidation or burning that produces heat and light
Combustion
25
Changes in matter are ____ and ____
Physical Chemical
26
____ changes in the form or state of matter without any change in chemical composition
Physical Changes EX: Changes in State Solvation
27
____ the ability of of dissolving
Solvation
28
____ is a physical property of matter ( solid liquid or gas) condition or phase in the physical composition of a substance at a given temperature and pressure.
State of Matter
29
____ a change in which a new substance or substances are produced that have entirely different properties from the original substance because the chemical composition has changed
Chemical Changes EX: Cremation of Remains Decomposition of Remains Preservation of Remains
30
Physical states of matter are ____ and ____
Gases and Properties
31
____ are state of matter in which the atoms or molecules move about in almost complete freedom from on another, they have no definite shape or volume, they take the shape of their container
Gases
32
____ is the conversion of a solid or gas into a liquid
Liquefaction
33
____ the conversion of the state of matter from a gas to a liquid
Condensation
34
____ the conversion of a liquid to the gaseous state
Vaporization
35
____ the movement of particles in solution from an area of higher concentration to a lesser concentration until equal concentration is achieved.
Diffusion
36
____ are substances that flow easily but do not tend to expand indefinitely
Liquids
37
Viscosity (thickness); surface tension, diffusion, solidification, crystallization, freezing, and boiling are all ____ of ____.
Properties of Liquids
38
____ is a measure of the resistance to flow of a liquid
Viscosity
39
Melting, sublimation, are ____ of ____.
Properties of Solids
40
____ are wetting agents; the force that acts on a surface of a liquid and tends to minimize surface area is
Surface Tension
41
____ is the movement of molecules or other particles in solution from an area of greater concentration until uniform concentration is reached
Diffusion
42
____ the conversion of a liquid or a gas into a solid form
Solidification
43
____ the process by which a substance is given a definite form
Crystallization
44
____ a change of state of matter from a liquid to a solid by the loss of heat
Freezing
45
____ the rapid passage of liquid particles to the vapor state by forming bubbles through the action of heat
Boiling
46
____ the change in state from a solid to a liquid
Melting
47
____ a physical change of state during which a substance changes directly from a solid to a gas
Sublimation
48
____ are the condensed state of matter having a definite shape and volume
Solids
49
____ is a gas that goes through sublimation
Dry Ice
50
____ are simple substances which cannot be decomposed by ordinary chemical means.
Elements
51
____ the simplest part or particle of any element that still retains the property of that element
Atom
52
In H2O the 2 is called a _____
Subscript
53
____ an atomic or molecular species with a positive (cation) or negative (anion) electrical charge; an atom of an element or a group of atoms acting as one unit that has lost or gained an electron or electrons
Ion (Monatomic Ion)
54
Al is the symbol for
Aluminum
55
Br is the symbol for
Bromine
56
Ca is the symbol for
Calcium
57
C is the symbol for
Carbon
58
Cl is the symbol for
Chlorine
59
Cu is the symbol for
Copper
60
F is the symbol for
Flourine
61
He is the symbol for
Helium
62
H is the symbol for
Hydrogen
63
I is the symbol for
Iodine
64
Fe is the symbol for
Iron
65
Hg is the symbol for
Mercury
66
N is the symbol for
Nitrogen
67
O is the symbol
Oxygen
68
P is the symbol for
Phosphorus
69
K is the symbol for
Potassium
70
Na is the symbol for
Sodium
71
S is the symbol for
Sulfer
72
An ____ is an atom that has lost or gained electrons
Ion
73
Every element in its free state is electrically ____
Neutral
74
The maximum capacity of the valence shell is ____.
8
75
The symbol of any element is a single ____ letter, and the maximum symbol for any element is ___ letters
Capital 3
76
Any element that has luster or is shinny and is malleable and ductal; and are good conductors of electricity are ____. Most tend to loose electrons so they are mostly positive.
Metals
77
___ gain electrons and are negative in their ionic state
Non Metals
78
Acids, bases, salts, and oxides are ____
Compounds
79
____ is a combination of two or more substances that is not chemically combined and is not in definite proportion by mass.
Mixture
80
Air, embalming fluid, and blood are different ____.
Types of Mixtures
81
Coefficient # (if present) X Subscript # (if present) X # outside () if applicable is ____.
Compound Equation
82
The ability of a system to do work is ____.
Energy
83
Energy which is stored is ____
Potential Energy
84
Energy of motion is ____.
Kinetic Energy
85
The smallest particle of an element is called the ____.
Atom
86
All atoms are composed of a central ____ with protons and electrons
Neuclues
87
The ____ move around the nucleus in the _____ or "____."
Electrons Orbits "Shells"
88
The identity of elements are my by assignment of an ____ which is identical to the number of protons in the nucleus
Atomic Number
89
____ have no electrical charge; however they serve to offer stability to the ____.
Neutrons Neucleus
90
Atoms may join together to form ____.
Molecules
91
Atoms of the same element which have identical chemical properties but different atomic weights are called ____.
Isotopes
92
For any specific atom, the electrons in the outermost shell are called ____ electrons
Valence
93
Atoms that are electrically charged because of a gain or loss of electrons are called ____.
Ions
94
The net attractive interaction between two atoms in a single molecule creates a _____.
Chemical Bond
95
____ have a strong tendency to change from an unstable form with an incomplete outer shell to a more stable form with a complete outer shell filled with orbitals.
Atoms
96
Those things which hold elements together to form new substances are called ____
Chemical Bonds
97
Compounds in which the atoms are held together by ionic bonds are called ____ compounds
Ionic
98
____ determine an element's chemical property
Valence electrons
99
When electrons are shared between atoms a condition of ____ bonding occurs
Covalent
100
+1 charge is a ____
Proton
101
-1 charge is an ____
Electron
102
0 charge is a ____.
Neutron
103
The number of protons and neutrons ='s _____.
Atomic Weight
104
The ____ of an atom is equal to the number of protons in the nucleus
Atomic Number
105
NH4 with a +1 charge
Ammonium
106
HCO3 with a -1 charge
Bicarbonate
107
OH with a -1 charge
Hydroxide
108
NO3 with a -1 charge
Nitrate
109
NO2 with a -1 charge
Nitrite
110
CO3 with a -2 charge
Carbonate
111
SO4 with a -2 charge
Sulfate
112
PO4 with a -3 charge
Phosphate
113
CN with a -1 charge
Cyanide
114
OCL with a -1 charge
Hypochlorite
115
The abbreviation for an element is a ____
Symbol
116
The abbreviation for a compound is a ____
Formula
117
The abbreviation for a chemical change is a ____
chemical equation
118
A number written to the left or in front of a symbol or formula is called a _____
Coefficient
119
A number written to the right and slightly below a symbol or formula is called a ____.
Subscript
120
In a chemical equation the substance which are on the left side of the equation are call the ____
Reactants
121
In a chemical equation the substance which are on the right side of the equation are called the _____.
Products
122
Formulas are usually expressed as the ____ portion written first and the ____ portion written last.
Metallic Non Metallic
123
_____ usually have positive oxidation numbers, whereas ____ usually has negative oxidation numbers.
Metals Non Metal
124
In the expression of formulas, the products are obtained from the ____; and essense "change partners" that is plus to ___ and minus to ____.
Reactants Minus Plus

Thanatochemistry (6 decks)

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