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Behavior of Gases - KMT

Total questions: 82

Worksheet time: 2hrs 45mins

Name
Class
Date
1.

Pressure is caused by:

a)

Gas molecules colliding with surfaces

b)

Gas molecules reacting with each other

c)

Gas molecules colliding with each other

d)

Gravity

2.

"STP" in chemistry is the abbreviation for:

a)

Stone Temple Pilots

b)

Standard Temperature and Pressure

c)

Scientifically Treated Petroleum

d)

Space Test Program

3.

Who discovered the barometer?

a)

Baron Von Meter

b)

Blaise Pascal

c)

Daniel Gabriel Fahrenheit

d)

Evangelista Torricelli

4.
Gases are compressible.
a)
True
b)
False
5.

The measure of the average kinetic energy of the particles in a substance is the

a)

temperature

b)

heat

c)

thermal energy

d)

kinetic energy

6.

The force of a gas's outward push divided by the area of the walls of the container is the gas's:

a)

pressure

b)

voulume

c)

temperature

d)

surface tension

7.
Which factor can affect gas pressure?
a)
Temperature 
b)
Volume
c)
The Amount of Gas
d)
All of the answers are correct
8.

At a constant pressure, if the temperature is increased, what happens to the volume?

a)

Increases

b)

decreases

c)

stays the same

9.
What happened to the volume between the two steps?
a)
volume increased
b)
volume decreased
c)
volume stayed the same
10.
What happened to the pressure between the two steps?
a)
pressure increased
b)
pressure decreased
c)
pressure stayed the same
11.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
12.
Which container will have lower pressure?
a)
left
b)
right
c)
they both have the same pressure
13.
Which of the following would increase the pressure on a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
14.
Charles' Law States...
a)
As Pressure goes up volume goes down
b)
As Pressure goes up temperature goes up
c)
As Volume goes up temperature goes up 
d)
As Pressure goes down volume goes down 
15.
Which law?
a)
Charles 
b)
Boyle
c)
Hunsecker
d)
Newton
16.

Which of the following is NOT a part of the kinetic molecular theory of gases?

a)

Gases move in random, constant, straight-line motion

b)

Gases are separared by great distances

c)

Gases are attracted to each other

d)

Gases transfer energy when they collide

17.

Which of the following is NOT a part of the kinetic molecular theory?

a)

Gas particles are separated by large distances relative to their size

b)

Gas particle move in random and stright-line motion

c)

Gas particles have no attractive forces

d)

Gas particles stay close together and collide often

18.

Which of the following is NOT a unit for temperature?

a)

Kelvin, K

b)

Celsius, C

c)

Grams, g

d)

Farenheit, F

19.

Which of the following measures the kinetic energy of particles?

a)

pressure

b)

temperature

c)

volume

d)

density

20.

Which of the following measures the amount of space a substance takes up?

a)

pressure

b)

temperature

c)

volume

d)

density

21.

Convert 100 C to Kelvin (K).

a)

273 K

b)

373 K

c)

173 K

d)

100 K

22.

Convert 30 C to Kelvin (K).

a)

103 K

b)

203 K

c)

303 K

d)

403 K

23.

Convert 293 K to Celsius (C).

a)

20 C

b)

10 C

c)

-20 C

d)

-10 C

24.

Convert 473 K to Celsius (C).

a)

73 C

b)

173 C

c)

273 C

d)

200 C

25.

According to the kinetic molecular theory, a gas consists of molecules in constant fixed motion.

a)

True

b)

False

26.

According to kinetic molecular theory-Gas molecules influence each other only by collision; they exert no other forces on each other.

a)

True

b)

False

27.

According to the kinetic molecular theory, all collisions between gas molecules are inelastic; all kinetic energy is lost.

a)

True

b)

False

28.

According to the kinetic molecular theory, the volume actually occupied by the molecules of a gas is negligibly small; the vast majority of the volume of the gas is empty space through which the gas molecules are moving.

a)

True

b)

False

29.

In the KMT, pressure is the force exerted against the wall of a container by the continual collision of molecules against it.

a)

True

b)

False

30.

The total kinetic energy of a collection of gas molecules is inversely proportional to the absolute temperature of the gas.

a)

True

b)

False

31.

Real gases (in real life), like to have high temperatures and low pressures. They like to be warm and free flowing.

a)

True

b)

False

32.

Gases like to be in very cold conditions and highly pressurized (just like you).

a)

True

b)

False

33.

The first postulate of the KMT is that all matter is made up of

a)

tiny particles

b)

molecules

c)

cells

d)

mass

34.

According the KMT, the particles are in

a)

different states

b)

organized patterns

c)

constant motion

d)

various containers

35.

According to the KMT, increasing the temperature of particles will

a)

give off energy

b)

increase motion

c)

decrease volume

d)

increase pressure

36.

According to the KMT, the particles of the different states of matter differ in what two key aspects?

a)

volume and mass

b)

density and extention of interactions

c)

temperature and freedom of motion

d)

freedom of motion and extent of interactions

37.

In a solid, what keeps each particle trapped in the same small volume and with the same surrounding particles.

a)

strong attractions between particles

b)

ionic bonds

c)

lack of particle motion

d)

low temperatures

38.

What does increasing the temperatureof a solid lead to?

a)

increased mass of particles

b)

decreased space between particles

c)

decreased velocity of particles

d)

increased velocity of particles

39.

What is happening when a solid is becoming a liquid?

a)

The particles decrease in motion, collapsing the organized structure.

b)

The increased movement of particles pushes them completely out of position, collapsing the organized structure.

c)

The particles increase in motion, causing the organized structure to flatten into a smaller shape.

d)

A particle party!

40.

How doe the particles in a liquid behave?

a)

Neatly organized without any movement.

b)

Move around trapped in a small volume and with the same surrounding particles.

c)

Move fast enough to break attractions and pushing other particles out of the way.

d)

Move freely in a straight line until they collide with another particle.

41.

How doe the particles in a gas behave?

a)

Neatly organized without any movement.

b)

Move around trapped in a small volume and with the same surrounding particles.

c)

Move fast enough to break attractions and pushing other particles out of the way.

d)

Move freely in a straight line until they collide with another particle.

42.

If the particles are moving fast enough to complete break the attraction pulling it back towards other particles, what process is occuring?

a)

sublimation

b)

melting

c)

freezing

d)

evaporation

43.

When particles in a gas collide, they change

a)

direction and velocity

b)

velocity and temperature

c)

direction and volume

d)

volume and temperature

44.

In which state of matter are the particles the farthest apart?

a)

gas

b)

liquid

c)

solid

45.

A syringe is filled with air to 60 mL at 1 atmosphere. Then the syringe is sealed and compressed to 20 mL. What is most likely to happen?

a)

Syringe warms up

b)

Volume is increasing

c)

Pressure is increasing

d)

Pressure is decreasing

46.

A flask filled with CO2 is heated from 10°C to 40°C. The starting pressure was 98 kPa. What is the most possible behavior of the gas?

a)

Pressure increases

b)

Pressure decreases

c)

Volume increases

d)

Volume decreases

47.

A balloon is filled with 1,5 L of air at 20°C, then placed in a freezer until it reaches a temperature of 5°C. What is the most possible result of this?

a)

Volume reduces

b)

Volume increases

c)

Pressure reduces

d)

Pressure increases

48.

Which is a fundamental assumption of the kinetic molecular theory?

a)

All atoms are composed of subatomic particles

b)

The particles of matter move in predictable paths

c)

No energy is lost when particles collide with one another

d)

Particles of matter never come into contact with one another

49.

Which relationship is shown in the graph?

a)

Boyle's Law

b)

Charles' law

c)

kinetic molecular theory

d)

definition of thermal energy

50.

Gases have...

a)

A definite shape and volume

b)

A definite shape but no definite volume

c)

No definite shape but a definite volume

d)

No definite shape or volume

51.

1. What is the name given to a gas whose particles follow the three assumptions of the kinetic molecular theory?

a)

Real Gas

b)

Noble gas

c)

Ideal gas

d)

Diatomic gas

52.

The first postulate of the KMT is that all matter is made up of

a)

tiny particles

b)

molecules

c)

cells

d)

mass

53.

As volume of the gas in this container increases, pressure will

a)

decrease.

b)

remain the same.

c)

increase.

d)

I don’t know

54.

What temperature scale must all temperature measurements be converted to?

a)

Celsius

b)

Fahrenheit

c)

Kelvin

d)

Does not matter

55.

Which of the following measures the kinetic energy of particles?

a)

pressure

b)

temperature

c)

volume

d)

density

56.

Which of the following measures the amount of space a substance takes up?

a)

pressure

b)

temperature

c)

volume

d)

density

57.

You forgot to bring your basketball inside after playing a game with your friends. When the sun went down, the temperature dropped and it got cold outside. What do you think happened to the pressure of the air inside the ball?

a)

It increased

b)

It decreased

c)

It stayed the same

58.
Which is a quality that only gasses display
a)
Spread out to fill all available space
b)
Take the shape of their container
c)
Can't be compressed
d)
All of these
59.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
60.
Gas molecules can easily be compressed  because ___________. 
a)
gas molecules are soft
b)
gas molecules are far apart
c)
gas molecules follow the shape of the container
61.
Pressure is caused by ______.
a)
gravity.
b)
gas molecules colliding with each other.
c)
gas molecules colliding with surfaces of the container.
d)
gas molecules reacting with each other.
62.
You decide to make a balloon animal. As the balloon is being twisted, it increases the pressure inside of the balloon. What happens to the volume?
a)
It increases
b)
It decreases
c)
It stays the same
63.
A balloon will pop in the atmosphere because..
a)
Pressure goes down volume goes up
b)
Pressure goes up volume goes down
c)
temperature goes down volume goes up
d)
volume goes down temperature goes down
64.
How could you make the stopper pop out of the flask?
a)
Decrease pressure
b)
Decrease temperature
c)
Increase volume
d)
Increase temperature
65.
Gas particles have the ________ kinetic energy because they move the fastest.
a)
least
b)
most
66.
In which state does matter completely fill its closed container?
a)
Gas
b)
Liquid
c)
Solid
d)
Ice
67.

When Martin pushes down on the handle of his bicycle pump, the air pressure within the pump _______.

a)

increases

b)

decreases

68.
Pressure is the effect of
a)
the weight of all the air above pressing down
b)
water vapor in the atmosphere
c)
greenhouse gases
d)
solar radiation
69.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
70.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
71.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
72.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
73.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
74.
Dalton's Law states...
a)
that at a constant temperature the volume of a confined ideal gas varies inversely with its pressure.
b)
that the total pressure exerted by the mixture of non-reactive gases is equal to the sum of the partial pressures of individual gases
c)
how gases tend to expand when heated
d)
that the density of an ideal gas at constant pressure varies inversely with the absolute temperature of the gas.
75.
Which equation represents Dalton's Law?
a)
e=mc2
b)
PV=nRT
c)
P1/T1=P2/T2
d)
Ptotal=P1, P2, P3...
76.
Dalton's law of...
a)
Partial Pressure
b)
Thermodynamics
c)
Ideal Gas
d)
Physics
77.
Three gases, Ar, N2 and H2 are mixed in a 500L container. Ar has a pressure of 255 torr, N2 has a pressure of 228torr and H2 has pressure of 752torr. What is the total pressure in the container?
a)
483torr
b)
270torr
c)
1235torr
78.
Calculate the partial pressure of H2 at 20oC when the vapor pressure of water is 17.5torr. The total pressure of the gases is 750torr.
a)
767.5torr
b)
732torr
c)
42.86torr
79.
A mixture of hydrogen, nitrogen, and water vapor has a total pressure of 864 mmHg. The partial pressure of hydrogen is 220 mmHg and that of nitrogen is 410 mmHg. What is the partial pressure of water vapor?
a)
234 mmHg
b)
1.37 mmHg
c)
2.64 mmHg
d)
1, 494 mmHg
80.

A container holds a mixture of two different gases. The oxygen in a container exerts 80 mmHg of pressure on the inside of the container. The total pressure inside the container is 120 mmHg. What is the pressure of the other gas in the container?

a)

200 mmHg

b)

80 mmHg

c)

40 mmHg

d)

120 mmHg

81.

What is the total pressure of a mixture of gases where the pressure of gas 1 is 2.0 atm, the pressure of gas 2 is 1.0 atm, and the pressure of gas 3 is 0.5 atm?

a)

2.5 atm

b)

3.5 atm

c)

0.5 atm

d)

4 atm

82.

The total pressure of a mixture of oxygen and nitrogen gas is 400.0 kPa. What is the partial pressure of nitrogen if the pressure of oxygen is 150.0 kPa?

a)

400.0 kPa

b)

550.0 kPa

c)

250.0 kPa

d)

101.3 kPa

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