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Chemistry Review (Ch 12 Sec 1 and 2) Flashcards | StudBud
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Chemistry Review (Ch 12 Sec 1 and 2)
Who discovered air pressure?
Gas particles have patterned motion.
Chemistry Review (Ch 12 Sec 1 and 2)
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Ch 12 review
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Answers
1
Gas particles have patterned motion.
False
True
2
Who discovered air pressure?
Ludwig Boltzmann
Evangelista Toricelli
None of the above
James Maxwell
3
What type of particles make up gases?
Small
None of the above
Large
Medium
4
Diffusion is where particles move from an area of low concentration to high concentration.
False
True
5
Who developed Graham's law of effusion?
James Maxwell
Thomas Graham
Issac Newton
Marcus Graham
6
Why is there less air pressure at higher altitude?
There is no gravitational force
There is more gravitational force
Gravity has nothing to do with air pressure
There is less gravitational force
7
If a closed container of gas is cooled down the pressure decreases.
False
True
8
What type of energy do particles have?
Potential
Radioactive
Elastic
Kinetic
9
What happens when gases are expanded?
Pressure does not exist
Pressure is the same
Pressure increases
Pressure decreases
10
Even though gases behave similarly at room temperature they may have vastly different?
Compositions
Behaviors
11
What determines the chemical properties of matter?
the number of atoms present and their arrangment
the structure atoms present and their arrangement
the type of atoms present and their arrangement
12
What is the SI unit of pressure?
Kelvin
Torr
mmHg
Pascal
13
What did Evangelista Toricelli invent?
The thermometer
Air pressure
The barometer
Kinetic Energy
14
Will gases fill a space if another gas is present?
Yes
No
15
Are there more particles or less particles associated with higher air pressure?
More
Less
16
Under which condition is air pressure higher?
Low altitude
High altitude
17
What keeps mercury up inside a barometer?
Air pressure
Water pressure
Elemental pressure
All of the above
18
Does the number of gases matter when calculating total pressure using Dalton's law?
No
Yes
19
Why do gases have low density?
they have strong bonds between them
they have a lot of space between them
they are close together
they have weak bonds between them
20
What are the three states of matter?
Liquid, Sublimation, Gas
Solid, Liquid, Vaporization
Gas, Solid, Liquid
Solid, Melting, Gas
21
What did Evangelista Toricelli notice that lead to his discovery of air pressure?
Water would not flow uphill
All of the above
Gases would not flow uphill
Mercury would not flow uphill
22
Who developed the kinetic molecular theory?
James Maxwell
Issac Newton
None of the above
Evangelista Toricelli
23
1 atm is equal to:
760 torr
760 mmHg
All of the above are correct
101.3 kPa
24
What happens to the energy in an elastic collision?
It is lost
It is destroyed
It is transferred
It is created
25
When gases exit through a small opening it is called...
Osmosis
All of the above
Diffusion
Effusion
26
Gas particles move until they have no energy.
True
False
27
Who is the most awesome teacher?
Mr. Kendall (History)
Mrs. Teague (Spanish)
Ms. Strickland (Math)
Mr. Teague (Chemistry)
28
Who else developed the kinetic molecular theory?
Evangelista Toricelli
Issac Newton
Ludwig Boltzman
None of the above
29
What substance did Toricelli use to invent the barometer?
Mercury
Cesium
Bromine
Carbon
30
What happens when gases are compressed?
Pressure increases
Pressure does not exist
Pressure decreases
Pressure remains the same
31
According to Graham's law what does the rate of effusion or diffusion depend on?
The composition of particles
The mass of the particles
None of the above
The speed of the particles
32
Individual gas particles exert a lot of pressure on their container.
True
False
33
There are great distances between gas particles.
False
True
34
Gas particles move until the collide with their container or another gas particle.
False
True
35
Does the number of moles influence the partial pressure of a gas?
No
Yes
36
Does the temperature of the gas influence the partial pressure of a gas?
No
Yes
37
Pressure is...
The compound per unit area
The attraction per unit area
The force per unit area
The molecules per unit area
38
What three categories describe the behavior of gases?
Compression and Expansion
Low Density
Diffusion and Effusion
All of the above
39
Gases have strong attractive and repulsive forces.
False
True
40
What is the pressure at sea level according to the Toricellian barometer?
760 torr
760 mmHg
760 kPa
760 atm
41
What is the total pressure of a gas?
The sum of all the gases mixed together
The sum of the lightest gases mixed together
The sum of the heaviest gases mixed together
The sum of some of the gases mixed together
42
If a closed container of gas is heated the pressure decreases.
True
False
43
What are the three parts of the kinetic molecular theory?
Size, motion, and behavior
Motion, energy, and kinetics
Size, motion, and energy
Composition, motion, and energy
44
How will gas particles distribute in a space?
Around half of the space
Evenly
None of the above are correct
Focused in one point
45
Does the container size influence the partial pressure of a gas?
No
Yes
46
What is an elastic collision?
a collision that occurs between solids and liquids
a collision where no kinetic energy is lost
a collision where kinetic energy is lost
None of the above are correct
47
Gas will not fill a space that it is in.
True
False
48
Does the identity of a gas influence the partial pressure of a gas?
Yes
No
49
What is density?
mass per unit area
area per unit mass
volume per unit area
mass per unit volume
50
Temperature is a measure of the average potential energy of particles.
False
True
