Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.


1.

If
the volume of a cylinder is reduced from 8.0 liters to 4.0 liters, the pressure of the gas in the
cylinder will change from 70 kilopascals to a.  35 kilopascals.  c.  140 kilopascals.  b.  105
kilopascals.  d.  560
kilopascals.     


2.

If
the volume of a cylinder is reduced from 18.0 liters to 9.0 liters, the pressure of the gas in the
cylinder will change from 85 kilopascals to a.  42.5 kilopascals.  c.  1530 kilopascals.  b.  127.5
kilopascals.  d.  170
kilopascals.     


3.

If
the volume of a cylinder is reduced from 20.0 liters to 10.0 liters, the pressure of the gas in the
cylinder will change from 139 kilopascals to a.  69.5 kilopascals.  c.  2780 kilopascals.  b.  208.5
kilopascals.  d.  278
kilopascals.     


4.

If
the volume of a cylinder is reduced from 12.0 liters to 6.0 liters, the pressure of the gas in the
cylinder will change from 70 kilopascals to a.  140 kilopascals.  c.  105 kilopascals.  b.  35
kilopascals.  d.  840
kilopascals.     


5.

If
the volume of a cylinder is reduced from 18.0 liters to 9.0 liters, the pressure of the gas in the
cylinder will change from 101 kilopascals to a.  151.5 kilopascals.  c.  1818 kilopascals.  b.  50.5
kilopascals.  d.  202
kilopascals.     


6.

At a
temperature of 280 K, the gas in a cylinder has a volume of 20.0 liters. If the volume of the gas is
decreased to 10.0 liters, what must the temperature be for the gas pressure to remain
constant? a.  140
K  c.  560
K  b.  273
K  d.  5600
K     


7.

At a
temperature of 270 K, the gas in a cylinder has a volume of 24.0 liters. If the volume of the gas is
decreased to 12.0 liters, what must the temperature be for the gas pressure to remain
constant? a.  135
K  c.  273
K  b.  6480
K  d.  540
K     


8.

At a
temperature of 266 K, the gas in a cylinder has a volume of 20.0 liters. If the volume of the gas is
decreased to 10.0 liters, what must the temperature be for the gas pressure to remain
constant? a.  273
K  c.  532
K  b.  133
K  d.  5320
K     


9.

At a
temperature of 200 K, the gas in a cylinder has a volume of 24.0 liters. If the volume of the gas is
decreased to 12.0 liters, what must the temperature be for the gas pressure to remain
constant? a.  4800
K  c.  400
K  b.  273
K  d.  100
K     


10.

At a
temperature of 228 K, the gas in a cylinder has a volume of 20.0 liters. If the volume of the gas is
decreased to 10.0 liters, what must the temperature be for the gas pressure to remain
constant? a.  4560
K  c.  273
K  b.  456
K  d.  114
K     

Completion
Complete each sentence or
statement.


11.

A(an)
____________________ has a definite volume and a definite shape.


12.

The
state of matter that exists only at extremely low temperatures is called a BoseEinstein
____________________.


13.

Materials can be classified as solids, liquids, or gases based on whether their shapes
and ____________________ are definite or variable.


14.

A
material with a shape that remains unchanged when it is moved from one container to another is a(an)
____________________.


15.

The
____________________ theory of matter states that all particles of matter are in constant
motion.


16.

The
motion of one particle of a gas is unaffected by the motion of other particles of the gas unless the
particles ____________________.


17.

____________________ between the particles of a gas and the walls of the container
cause pressure in a closed container of gas.


18.

The
pascal is the SI unit for____________________.


19.

Reducing the volume of a gas ____________________ its pressure if the
____________________ of the gas and the number of particles are constant.


20.

A
graph representing Charles’s law shows that the ____________________ of a gas increases at the
same rate as the ____________________ of the gas.


21.

The
combined gas law describes the relationship among the ____________________, ____________________, and
____________________ of a gas when the number of particles is constant.


22.

If
you are using Charles’s law to find the volume of a gas at a certain temperature, the
temperature must be expressed in ____________________.


23.

If
you know the volume and pressure of a gas and the pressure changes, you can find the new pressure by
multiplying P_{1} by V_{1} and ____________________ this number by
V_{2}.


24.

The
phase change that is the reverse of deposition is ____________________.


25.

At
sea level, water ____________________ at 100°C.


26.

When
water boils, some of its molecules have enough _________________________ to overcome the attraction
of neighboring molecules.


27.

Water
boils when its vapor pressure becomes equal to ___________________ pressure.


28.

During vaporization, a substance changes from a(an) ____________________ to a(an)
____________________.


29.

Evaporation is the process that changes a substance from a liquid to a gas at
temperatures below the substance’s ____________________ point.


30.

During a(an) ____________________ change, a system absorbs energy from its
surroundings.
