Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

HAZMAT > Unit 2 Chemistry > Flashcards

Unit 2 Chemistry Flashcards

1
Q

Gas

A

Any Material that has no definitive volume or shape. Gases have a boiling point of less than 68

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Liquid compresses gas

A

Gas packaged under pressure is partially liquid at temperatures above 58 degrees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Boiling Point

A

the temperature at which the liquid changes into a gas or vapor at is max rate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Vapor Pressure

A

the pressure the vapor of a liquid exerts on its container when the vapor and liquid are in equalilibrium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Materials with a high vapor pressure will have a ______ boiling point

A

Low

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Materials with low vapor pressure will have ____ boiling point

A

High

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Atomic Structure

A

Protons
Neutrons
Electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Protons

A

particles found in the center of the atom having a positive charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Neutrons

A

Particles found in nucleus, have no charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Electrons

A

Particles found in the space surrounding the nucleus, have a negative charge.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Steps for Developing a Chemical Hazard profile

A

Identify hazard class
Evaluate the potential energy and chemical reactivity
Determine physical state based on boiling and melting point
Evaluate fire hazard
Evaluate health hazard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How to identify if a chemical has potential energy release

A

Hazard class 1
Reactive w/other chemicals( hazard class 4,5,8)
Polymerization ( Hazard class 2,3)
Chemically unstable
Radioactivity class 7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Flash Point

A

Min temperature to which a material must be raised to allow for combustion in presence of ignition source

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Fire point

A

Sustained combustion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Flammable range

A

percentage of vapor in air in which ignition will occur.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Ignition temperature

A

Min temperature a material must be heated to in order to imitate self sustained combustion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Vapor Dispersion

A

Certain materials can be dispersed or moved using water spray, fans, blowers, or compressed air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Vapor Suppression

A

Foam can be used to suppress vapors and other flammable materials

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

PPE Selection Factors

A

Person
Mission
Environment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

NFPA 1994

A

Standard on Protective Ensembles for First Responders to CBRN Terrorism Incidents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Permeation

A

Process by which a chemical moves through protective clothing on a molecular level

22
Q

Breakthrough time

A

time elapsed for initial contact on the outside of PPE to first detection of chemical on inside surface

23
Q

Permeation rate

A

amount of a chemical which passes through a given area of clothing per unit of time

24
Q

Factors that influence permeation

A

Temperature
Thickness of protective material
concentration of Chemical
Multi-component liquids

25
Q

Penetration

A

flow of a chemical through closures, seams, pinholes or other imperfections in PPE

26
Q

Potential areas of penetration

A

seams
exhalation valves
hand and foot joints
face shield assemblies

27
Q

Degradation

A

The actual destruction of material

28
Q

Signs on degradation

A

discoloration
stiffness
bubbling
tackiness
cracking/crazing

29
Q

Types of heat injuries

A

heat rash
heat cramps
heat exhaustion

30
Q

Heat rash

A

may result from continuous exposure to heat or humid air

31
Q

heat cramps

A

caused by heavy sweating, muscle spasms and pain in hands feet and abdomen

32
Q

heat exhaustion

A

pale cool moist skin
heavy sweating
dizziness
nausea
fainting

33
Q

Heat stroke

A

temperature regulation fails and the body temp rises to critical levels

34
Q

Ionic Bond

A

combines metal elements with non metal

35
Q

Roentgen (R)

A

A measure of the ionization of molecules in cubic centimeter of air

36
Q

Rad (Radiation Absorbed Does)

A

The basic unit of absorbed dose of ionizing radiation

37
Q

Covalent bonding

A

combines two non metal elements

38
Q

Saturated HydroCarbons

A

2x as many hydrogen atoms as they do carbon atoms

39
Q

Unsaturated HydroCarbons

A

alkenes and alkenyne

40
Q

alkene

A

carbons that attach with a double covalent bond

41
Q

alkeyne

A

attach w/a triple covalent bond

42
Q

Aromatic Hydrocarbons

A

smell good, lowest amount of hydrocarbo

43
Q

Halogenated Hydrocabon

A

hydrogen is replaced w/halogen atom

44
Q

TRACEM

A

Thermal
Radiation
Asphyxiation
Chemical
Etiological
Mechanical

45
Q

organic acid

A

contains carbon

46
Q

contact hazards

A

chemical burns
thermal burns
frostbite

47
Q

TWA

A

time weighted average 40 hours per week

48
Q

STEL

A

Short term exposure limit
15 min period continuously

49
Q

C

A

Ceiling

50
Q

LD50

A

lethal dose for 50% of test population

51
Q

LC50

A

lethal concentration kill 50% in a specific time period

52
Q
A

HAZMAT (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions