MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) When a bimetallic strip is heated, the strip wilJ bend toward the side
1.)
_C
__
A)
with the higher temperature.
~
with the lower temperature.
(!;)with
the smaller coefficient of linear expansion.
0)
with the larger coefficient of linear expansion.
E) depends of the method of heating
2)
A
weather balloon contains 12.0m
3
of hydrogen gas when
it
is released from a location at which
2)
_B
__
the temperature
is 22°C and the pressure is 101 kPa.
It
rises to a location where the temperature is
30°C and the pressure is 20 kPa.
H
the balloon is free to expand so that the pressure of the gas
inside is equal
10
the
am
ient pressure, what is the new volume of the balloon?
A)
82.6 m
3
B 49.9 m
3
C)
2.38 m
3
D)
14.0 m
3
E)
4.16 m
3
H
+
213 ,_\
S ~
2~
1, I
'::>
B) 187K
C)
46 K
I
PHY 220 Classical Physics Il Chapter 1720 test Al Summer 2011
NamelI.f'C
i
1 Boo<..;\..,.,'CJ=\S~__
,
3) Converl14°C to
K.
A) lOOK
0)
474K
(@287K
4) Th~umber
of molecules in one mole of a substance
is the same for all substances.
) depends on the atomic weight of the substance.
C)
depends on the molecular Weight of the substance.
D)
depends on the density of the substance.
E) depends on the temperature of the
substance,
@A
gas consists of particles of ~
3.00
x
10
26
kg. What is the pressure
in
a gas of these particles if
there are 2.00
x
1025particles per cubic meter of gas and the rms speed of the particles is 400
m/s?
A)
1.01
x
UP
N/m
2
B)4.80
x
10
4
N/m
2
~1.60
x
104 N/m
2
t!l3.20
x
104 N/m
2
E)
9.60
x
104 N/m
2
6) What is the mean free path for the molecules
in
an ideal gas when the pressure
is
100 kPa and the
temperature
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 Summer '11
 Corteville
 Thermodynamics, Heat, higher temperature

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