If two objects are in thermal
equilibrium with each other
a) They are at the same pressure
b) They have the same volume
c) They are not in contact with each other
d) They are not exchanging heat
e) Their temperatures cannot be
measured
Which of the following places the
temperatures in the correct rank, highest
to lowest?
a) 50 X, 50 W, 50 Y
b) 50 X, 50 Y, 50 W
c) 50 W, 50 X, 50 Y
d) 50 Y, 50 W, 50 X
e) 50 Y, 50 X, 50 W
Four metal plates all made of the same
material are increased in temperature by
the same amount. Rank the height
increase from most to least.
a) 1, 2, 3, 4
b) 1 and 4 tie, 2 and 3 tie
c) 1, 4, 2 and 3 tie
d) 2 and 3 tie, 1, 4
e) All tie
A certain amount of heat Q is applied to a 1
gram sample of 3 different materials, producing
a different temperature increase DT in each.
Which has the greatest specific heat?
a) Material A: DT = 1 C
b) Material B: DT = 2 C
c) Material C: DT = 3 C
d) All have the same specific heat
e) We can’t tell from the information
given
Through which material will there be the most
heat transfer via conduction?
a)
b)
c)
d)
e)
solid iron
wood
liquid water
air
vacuum
Through which 2 materials will there be the
most heat transfer via convection?
a)
b)
c)
d)
e)
solid iron and wood
wood and liquid water
liquid water and air
vacuum and solid iron
vacuum and air
Through which 2 materials will there be the
most heat transfer via radiation?
a)
b)
c)
d)
e)
solid iron and wood
wood and liquid water
liquid water and air
vacuum and solid iron
vacuum and air
If a fixed amount of gas at constant temperature
undergoes a increase in volume, what
happens to the pressure?
a)
b)
c)
d)
e)
It goes up
It goes down
It stays the same
It depends on the value of R
It depends on the number of moles
If a fixed amount of gas at constant pressure
undergoes an increase in volume, what
happens to the temperature?
a)
b)
c)
d)
e)
It goes up
It goes down
It stays the same
It depends on the value of R
It depends on the number of moles
Consider two rooms of a house, room A and
room B. If the (otherwise identical)
molecules in room A have twice as much
average kinetic energy than the ones in B,
how does the temperature of room A
compare to the temperature of room B?
A)
B)
C)
D)
E)
TA = T B
T A = 2 TB
TA = ½ T B
TA = √2 TB
TA = (3/2) TB
If the (otherwise identical) molecules in room A have
twice as much average kinetic energy how does
the rms velocity of the molecules in room A
compare to the rms velocity of the molecules in
room B?
A)
B)
C)
D)
E)
vA = vB
vA = 2 vB
vA = ½ vB
vA = √2 vB
vA = (3/2) vB
As a pot of water boils, the temperature of the
water,
A)
B)
C)
D)
E)
Increases
Decreases
Stays the same
Fluctuates unpredictably
It depends on the temperature of the stove
Water condenses out of the air onto a cold piece
of metal. Due to this condensation, the
temperature of the air around the metal,
A)
B)
C)
D)
E)
Increases
Decreases
Stays the same
Fluctuates unpredictably
It depends on the temperature of the metal
The temperature of a solid is held constant and
the pressure is lowered. When the pressure
gets very close to zero the solid will,
A)
B)
C)
D)
E)
Become a gas
Become a liquid
Stay a solid
Be at the triple point
Be at the critical point
Ten joules of heat are added to a cylinder of gas
causing the piston at the top to rise. How
much work does the piston do?
A)
B)
C)
D)
E)
0 Joules
5 Joules
10 Joules
-10 joules
You cannot tell from the information given
Which of the processes in the diagram produces the
least work?
A)
B)
C)
D)
E)
1
2
3
4
All are the same
Which of the processes in the diagram has the least
change in internal energy?
A)
B)
C)
D)
E)
1
2
3
4
All are the same
Which of the processes in the diagram involves the least
heat?
A)
B)
C)
D)
E)
1
2
3
4
All are the same
Which of the following engines would be useful
and possible to build?
A)
B)
C)
D)
E)
One with work equal to zero
One with work greater than input heat
One with input heat equal to zero
One with input heat greater than work
One with output heat equal to zero
Lets say you wanted to cool your house on a
hot day so you buy a refrigerator, plug it in
and open the door. Assume your house is
insulated. What happens to the
temperature of the house?
A)
B)
C)
D)
E)
It increases
It decreases
It stays the same
It depends on the COP of the refrigerator
You cannot tell from the information given
When water condenses out of the air onto a cold
surface, the entropy of the water,
A) Increases, since entropy always increases
B) Decreases, but that is OK since the 2nd law
does not apply to phase changes
C) Decreases, but that is OK since the entropy
of the air increases
D) Increases, since phases changes always
increase entropy
E) Remains the same
Water is heated on a stove. Which of the
following temperature changes involve the
greatest entropy change of the water?
A)
B)
C)
D)
E)
T increased from 20 to 25 C
T increased from 40 to 45 C
T increased from 80 to 85 C
T increased from 90 to 95 C
All are equal
If you put a drop of ink in a bowl of
water, what happens to the entropy?
A)
B)
C)
D)
It increases
It decreases
It stays the same
It depends on the temperature of the
water
E) It depends on the heat transferred
If the ink in the tinted water comes together in a
dot, what happens to the entropy?
A)
B)
C)
D)
E)
It increases
It decreases
It stays the same
It depends on the temperature of the water
It depends on the heat transferred