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KMT Bank

Total questions: 112

Worksheet time: 3hrs 33mins

Name
Class
Date
1.

A hypothetical gas that perfectly fits all the assumptions of the kinetic molecular theory is known as

a)

real gas

b)

ideal gas

c)

imaginary gas

d)

perfect gas

2.

Which of the following is not true about the volume of a gas?

a)

Most of the volume is empty space.

b)

The volume is occupied by particles in continuous, rapid, random motion.

c)

The volume is about 10 times greater than that occupied by an equal number of particles in the liquid or solid state.

d)

Generally, the volume can be easily changed

3.

Which of the following is an assumption of the kinetic-molecular theory of gases?

a)

Collisions between gas particles are inelastic.

b)

Gases consist of closely spaced particles.

c)

Gas particles move around in an orderly manner.

d)

The temperature of a gas depends on the average kinetic energy of the gas particles.

4.

Which of the following is the equation needed to calculate the kinetic energy, KE, of a moving particle?

a)

KE = 1/2 mv2

b)

KE = 2mv

c)

KE = mv

d)

KE = 1/2 m2v

5.

If a gas has the same temperature throughout, which gas molecule has the highest average velocity?

a)

O2

b)

H2O

c)

H2

d)

Xe

6.

Which condition is necessary for most gases to behave nearly ideally?

a)

high pressure

b)

high temperature

c)

low compressibility

d)

low expansion

7.

Which of the following is not a physical property of gases?

a)

absence of definite volume

b)

large density

c)

high compressibility

d)

fluidity

8.

Rates of effusion of different gases are proportional to their...

a)

polarity.

b)

particle charge.

c)

particle velocities.

d)

compressibility.

9.

Which states of matter are fluid?

a)

gases and liquids

b)

liquids and solids

c)

gases only

d)

liquids only

10.

Which gas deviates the most from ideal behavior?

a)

CH4

b)

H2O

c)

Cl2

d)

He

11.

For a fixed amount of gas at a constant temperature, the volume increases as the pressure...

a)

remains steady.

b)

increases.

c)

decreases.

d)

fluctuates.

12.

The pressure exerted by a gas does not depend on

a)

temperature.

b)

volume.

c)

number of moles present.

d)

the identity of the gas.

13.

The energy of movement is ___.

a)

potential energy

b)

kinetic energy

c)

mechanical energy

14.

The more energy that particles have, the ___ they move.

a)

slower

b)

faster

15.

The force of attraction between molecules is ___.

a)

intermolecular forces

b)

bridge forces

c)

chemical bonds

16.

These properties describe a ___.

a)

solid

b)

liquid

c)

gas

17.

These properties describe a ___.

a)

solid

b)

liquid

c)

gas

18.

These properties describe a ___.

a)

solid

b)

liquid

c)

gas

19.

Collisions in which particles transfer all their kinetic energy to other particles are called ___.

a)

elastic

b)

inelastic

20.

Which one of these is NOT an Ideal Gas Assumption?

a)

Gas particles are hard, round spheres.

b)

Gas particles are strongly attracted to one another.

c)

Gas particles do not take up space.

d)

Gas particles collide perfectly elastically.

21.

Liquid particles have more energy than ___ particles.

a)

solid

b)

gas

22.

The particles of ___ generally have the least amount of energy.

a)

solids

b)

liquids

c)

gases

23.

Which temperature scale is based on the phase changes of water?

a)

Fahrenheit

b)

Celsius

c)

Kelvin

d)

Degrees

24.

Which temperature scale cannot have negative numbers

a)

Fahrenheit

b)

Celsius

c)

Kelvin

d)

Degrees

25.

Forces of attraction or repulsion between molecules are called:

a)

Electronegativity

b)

Covalent Bonds

c)

Ionic Bonds

d)

Intermolecular Forces

26.

Phase of matter where particles are held in place by intermolecular forces

a)

Plasma

b)

Solid

c)

Liquid

d)

Gas

27.

Phase of matter where particles move around each other while being slightly attracted to each other through intermolecular forces

a)

Plasma

b)

Solid

c)

Liquid

d)

Gas

28.

Phase of matter where particles have enough kinetic energy to break intermolecular forces and spread apart greatly

a)

Plasma

b)

Solid

c)

Liquid

d)

Gas

29.

Phase of matter where particles have so much kinetic energy they break down into electrons and ions

a)

Plasma

b)

Solid

c)

Liquid

d)

Gas

30.

A space entirely devoid of matter is called:

a)

A Black Hole

b)

A Vacuum

c)

Outer Space

d)

Pressure

31.

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

32.

In this phase of matter, particles do NOT stop moving. Instead they vibrate in place

a)

Plasma

b)

Solid

c)

Liquid

d)

Gas

33.

The energy of motion is known as ___.

a)

potential energy

b)

kinetic energy

c)

mechanical energy

34.

The pressure of each flask is given in atmospheres (atm). Flask 1 has the lowest pressure, and Flask 4 has the highest. Knowing what causes gas pressure, which of the following statements is true?

a)

Flask 1 contain the most molecules

b)

Flask 2 contain the most molecules

c)

Flask 3 contain the most molecules

d)

Flask 4 contain the most molecules

35.

Which of the following statements is true?

a)

Gases do not move in straight line

b)

Gas particles are spaced so far apart that most of the volume of gas is empty space

c)

Gas particles are not in constant motion

d)

Gas particles attract each other

36.
Of these three states of matter, which one has the most kinetic energy? 
a)
Solid 
b)
Liquid 
c)
Gas
37.

Which of the following is true regarding the kinetic molecular theory of gases?

a)

Gas particles are attracted to one another.

b)

Gases consist of closely spaced particles.

c)

Gas particles move around in an orderly manner.

d)

The temperature of a gas depends on the average kinetic energy of the gas particles.

38.

Adding heat to a solid makes the particles move...

a)

Particles in a solid are not moving

b)

Slower

c)

At the same rate as before the heat was applied

d)

Faster

39.

The particles in a gas are ______ away from each other than the particles in a solid

a)

farther

b)

closer

c)

the same distance

40.

This one is tricky!

The temperature of each flask is given in Kelvin (K). Think about how temperature affects the motion of gas particles. Now think about what causes gas pressure....

Which of the following statements is correct?

a)

Flask 1 has the lowest pressure

b)

Flask 3 has the lowest pressure

c)

Flask 2 has the lowest pressure

d)

Flask 4 has the lowest pressure

41.

Which among the following is NOT true regarding the Kinetic Molecular Theory of gases?

a)

Gases particles move in straight lines.

b)

Gas particles are closely packed and their motion is orderly.

c)

Gas particles are in constant motion.

d)

Gas particles do not attract or repel each other.

42.

Which type of motion in the figure best represents the movement of gas particles?

a)

Motion 1

b)

Motion 2

c)

Motion 3

d)

Motion 4

43.

What happens to matter as its temperature increases?

a)

The average kinetic energy of its particles decreases

b)

The average thermal energy of its particles decreases

c)

The particles gain kinetic energy

d)

The particles lose potential energy

44.
True or false: melting and freezing occur at the same temperature!
a)
True
b)
False
c)
I don't know
45.
At what temperature do nitrogen molecules move fastest?
a)
350 K
b)
300 K
c)
250 K
d)
200 K
46.

Gas 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.

47.
The movement of gas molecules is greatly affected by _________.
a)
the shape of the container
b)
size of the container
c)
temperature of the container
48.

Define entropy

a)

energy of particles

b)

how free particles are to spread out

c)

the way heat relates to other types of energy

d)

friction in action

49.

Define kinetic energy

a)

energy of motion

b)

static energy

c)

stored energy

d)

energy use

50.

Which picture best illustrates the particle arrangement in a solid?

a)
b)
c)
d)
51.

Which picture best illustrates the particle arrangement in a liquid?

a)
b)
c)
d)
52.

Which picture best illustrates the particle arrangement in a gas?

a)
b)
c)
d)
53.

Which best describes the movement of particles in a solid?

a)

free to flow, constant volume

b)

free to flow, volume changes

c)

vibrates in place,

volume changes

d)

vibrates in place, constant volume

54.

Which best describes the movement of particles in a liquid?

a)

free to flow, constant volume

b)

free to flow, volume changes

c)

vibrates in place,

volume changes

d)

vibrates in place, constant volume

55.

Which best describes the movement of particles in a gas?

a)

free to flow, constant volume

b)

free to flow, volume changes

c)

vibrates in place,

volume changes

d)

vibrates in place, constant volume

56.

Which best describes the kinetic energy of particles in a gas?

a)

lowest amount of energy

b)

more energy than solids but less than liquids

c)

more energy than solids or liquids

d)

less energy than solids but more than liquids

57.

Which best describes the kinetic energy of particles in a solid?

a)

lowest amount of energy

b)

more energy than solids but less than gases

c)

more energy than solids or liquids

d)

less energy than solids but more than liquids

58.

Which state of matter has the greatest entropy?

a)

solid

b)

liquid

c)

gas

d)

none, they're all the same

59.

What happens to the temperature of a substance when the volume is constant but heat is continuously added?

a)

it decreases

b)

it stays constant

c)

it increases

60.

How is temperature related to the movement of particles?

a)

directly

b)

indirectly

61.

What happens at absolute zero?

a)

particles move slower

b)

particles stop moving

c)

particles move faster

d)

particles are unaffected

62.

What temperature (in Celsius) is absolute zero?

a)

0

b)

-100

c)

-200

d)

-273

63.

The Kinetic Molecular Theory of Matter is the idea that solids, liquids, and gases can be understood as the motion of what?

a)

electricity

b)

particles

c)

gravity

d)

data

64.

Fill in the blank: Postulate #1 of the KMT states that gases consist of large numbers of tiny particles that are _________ in comparison to their size.

a)

far apart

b)

close together

c)

heavy

d)

light

65.

Fill in the blank: Postulate #2 of the KMT states that the particles of a gas are in constant rapid ________.

a)

degeneration

b)

deceleration

c)

acceleration

d)

motion

66.

All collisions between gas particles and between particles and container walls are what kind of collisions?

a)

inelastic

b)

kinetic

c)

elastic

d)

potential

67.

There are no forces of __________ between gas particles.

a)

attraction

b)

repulsion

c)

reactions

d)

chemicals

68.

What determines the temperature of a gas?

a)

How hot or cold the gas is

b)

The total kinetic energy of the gas particles

c)

The average kinetic energy of the gas particles

d)

The average potential energy of the gas particles

69.

Chemistry is the study of what?

a)

Love

b)

Time

c)

Space

d)

Matter

70.

What is one property of a solid?

a)

Low density

b)

Don't mix well

c)

Compressible

d)

Fluid

71.

What is one property of a liquid?

a)

Compressible

b)

Mix well

c)

low density

d)

tightly-packed particles

72.

The process of a gas becoming a liquid is known as what?

a)

Sublimation

b)

Condensation

c)

Evaporation

d)

Melting

73.
a)
Gases do not move in straight line
b)
Most of the volume of gas is empty space
c)
Gas particles are not in constant random motion
d)
Gas particles attract each other
74.

According to the Kinetic Molecular Theory a liquid's (SELECT ALL THAT APPLY)

a)

particles are held close together by intermolecular forces

b)

particles are in constant motion

c)

particles are vibrating in place and closely packed

d)

particles are not moving

75.

The properties of liquids include (SELECT ALL THAT APPLY)

a)

definite volume

b)

take the shape of the container

c)

can flow

d)

are relatively incompressible

e)

can diffuse and have surfacre tension

76.
Of these three states of matter, which one has the most kinetic energy? 
a)
Solid 
b)
Liquid 
c)
Gas
77.
Solids are described as having a 
a)
definite shape and indefinite volume
b)
indefinite shape and indefinite volume
c)
definite shape and definite volume
d)
indefinite shape and definite volume
78.

Which of the following is an assumption of the kinetic-molecular theory of gases?

a)

Collisions between gas particles are inelastic.

b)

Gases consist of closely spaced particles.

c)

Gas particles move around in an orderly manner.

d)

The temperature of a gas depends on the average kinetic energy of the gas particles.

79.

Which of the following is an assumption of the kinetic-molecular theory of gases?

a)

Collisions between gas particles are inelastic.

b)

Gases consist of closely spaced particles.

c)

Gas particles move around in an orderly manner.

d)

The temperature of a gas depends on the average kinetic energy of the gas particles.

80.

Which states of matter are fluid?

a)

gases and liquids

b)

liquids and solids

c)

gases only

d)

liquids only

81.

1. Kinetic refers to _______________

a)

Force

b)

Energy

c)

Motion

d)

Acceleration

82.
What state of matter consists of tightly packed atoms?
a)
Solid
b)
liquid
c)
gas
d)
plasma
83.
Liquid has a definite ___________, but a variable _____________.
a)
shape, volume
b)
mass, area
c)
smell, taste
d)
volume, shape
84.
Which of the following states of matter has the lowest kinetic energy? 
a)
solid
b)
liquid 
c)
gas
85.
To make a solid become a liquid, you must increase its________________.
a)
mass
b)
density
c)
kinetic energy
d)
potential energy
86.
Gas particles move around at __________ speeds. 
a)
low
b)
slow
c)
high
d)
unknown
87.
Adding thermal energy to matter casues its particles to _________________.
a)
move slower
b)
move faster
c)
melt
d)
feeze
88.
In order to convert to Kelvin, you add ______ to the Celsius measurement.
a)
372
b)
273
c)
237
d)
732
89.

SLOW DOWN FOR MATH

You have a gas that has a pressure of 2 ATM and a volume of 10L.  What would be the new volume if the pressure was changed to 1 ATM?

a)

0.2 L

b)

20 L

c)

It would stay at 10L

d)

15 L

90.
What is 0 Kelvin known as
a)
No such thing
b)
Very cold
c)
Freezing point of Water
d)
Absolute Zero
91.
If the temperature of a gas increase, the pressure...
a)
Decreases
b)
Increases
c)
Does not change
92.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
93.
In the ideal gas law, what does the variable n represent? 
a)
gas constant 
b)
moles 
c)
Temperature 
d)
Volume 
94.

SLOW DOWN FOR MATH

If I have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature?

a)

205 K

b)

200 K

c)

2046 K

d)

2000 K

95.

SLOW DOWN FOR MATH

Consider a sample of oxygen gas at 27° C with a volume of 9.55L at a pressure if 2.97 atm.  The pressure is changed to 8.25 atm and the gas is heated to 125° C.  What’s the new volume? 

___ L

Round to 3 significant figures and use 273 K = 0 C

a)

4.56 L

b)

15.9 L

c)

16.0 L

d)

5.00 L

96.

SLOW DOWN FOR MATH

If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be?

a)

1.75 atm

b)

1.8 atm

c)

1.3 atm

d)

1.29 atm

97.

Collisions in which particles transfer all their kinetic energy to other particles are called ___.

a)

elastic

b)

inelastic

98.

The more energy that particles have, the ___ they move.

a)

slower

b)

faster

99.

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

a)

The pressure will increase

b)

The pressure will decrease

c)

The pressure will remain constant

d)

The pressure will equalize

100.

What is 50 °C in Kelvin?

a)

223

b)

323

c)

100

d)

50

101.
Gas laws involve what three variables?
a)
Solid Liquid Gas 
b)
Speed Velocity Acceleration 
c)
Elements Compounds Mixtures 
d)
Pressure Temperature Volume 
102.

SLOW DOWN FOR MATH - STOICH!

The density of an unknown gas is 2.00 grams per Liter at 3.00 atm and 127oC. What is the molar mass (g/mol) of this gas?

(step 1 - find n (# of moles); step 2 - find g/mol)

a)

6.95 g/mol

b)

21.9 g/mol

c)

0.0914 g/mol

d)

0.288 g/mol

103.

SLOW DOWN FOR MATH

A sample of 0.010 mole of oxygen gas is confined at 127°C and 0.80 atm. What would be the pressure of this sample at 27°C and the same volume?

a)

0.10 atm

b)

0.20 atm

c)

0.60 atm

d)

0.80 atm

104.

Liquid particles have more energy than ___ particles.

a)

solid

b)

gas

105.

As matter changes state from liquid to solid, the atoms have ____ kinetic energy.

a)

more

b)

less

c)

the same

106.

Which of the following is an assumption of the kinetic-molecular theory of gases?

a)

Collisions between gas particles are inelastic.

b)

Gases consist of closely spaced particles.

c)

Gas particles move around in an orderly manner.

d)

The temperature of a gas depends on the average kinetic energy of the gas particles.

107.
To make a solid become a liquid, you must increase its________________.
a)
mass
b)
density
c)
kinetic energy
d)
potential energy
108.

Which states of matter are fluid?

a)

gases and liquids

b)

liquids and solids

c)

gases only

d)

liquids only

109.

Match the following units to their names.

a)

Volume

1.

L

b)

Temperature

2.

K

c)

Pressure

3.

atm

d)

Moles

4.

mol

110.

Which one of these is NOT an Ideal Gas Assumption?

a)

Gas particles are hard, round spheres.

b)

Gas particles are strongly attracted to one another.

c)

Gas particles do not take up space.

d)

Gas particles collide perfectly elastically.

111.
Which of the following would increase the (gas) pressure of a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
112.
Which container will have lower pressure?
a)
left
b)
right
c)
they both have the same pressure

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