exam3-reviewsheet - SI
Review
Sheet
–
Exam
3
...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: SI
Review
Sheet
–
Exam
3
 Matching:
 
 1. 2. 3. 4. 5. 6. 7. 8. Wave
 
 
 Mole
 
 
 Density
 
 Buoyant
force
 Pressure
 
 Bernoulli
effect
 Temperature
 
 Specific
heat
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 a.
Inversely
proportional
to
volume
 b.
Directly
proportional
to
volume
 c.
1
cal/g
K
for
liquid
water
 d.
Pressure
decreases
with
increased
velocity
 e.
Contains
6.022*1023
molecules
or
atoms
 f.
1.00
g/cm3
for
liquid
water
 g.
Propagates
energy
and
momentum
 h.
Mass
times
gravity
of
a
displaced
fluid
 True/False:
 
 9. The
Bernoulli
principle
is
used
to
calculate
the
buoyant
force
on
an
object
 submerged
in
a
fluid.
 10. Two
objects
are
in
thermal
equilibrium
if
they
have
the
same
temperature.
 11. Roofs
flying
off
in
hurricanes,
the
lift
on
airplane
wings,
and
curveballs
all
relate
to
 the
Bernoulli
effect.
 12. Mixtures
adhere
to
the
law
of
definite
proportions
because
they
always
combine
in
a
 fixed
ratio.
 13. Two
moles
of
any
compound
always
contain
12.044*1023
molecules.
 14. The
concept
of
“e
pluribus
unum”
relates
to
the
idea
that
many
submicroscopic
 particles
can
contribute
to
a
macroscopic
property
like
temperature
or
pressure.
 15. An
object
floating
in
freshwater
experiences
the
same
buoyant
force
as
it
would
 floating
in
saltwater.
 16. The
Kelvin
scale
is
called
an
absolute
temperature
scale
because
it
is
based
on
the
 behavior
of
water.
 Multiple
Choice:
 17. The
net
force
on
a
sunken
object
is
always
equal
to:
 a.
the
buoyant
force
on
the
object
 b.
the
mass
of
water
displaced
by
the
object
 c.
the
object’s
weight
minus
the
buoyant
force
 d.
zero
Newtons
 e.
none
of
the
above
 18. The
fact
that
a
fireball
rises
is
due
to
the
concept
of:
 a.
thermal
equilibrium
 b.
convection
 c.
the
Bernoulli
effect

 d.
conduction
 19. You
observe
that
your
car
tires
are
flatter
when
it
is
colder
outside.

This
is
because:
 a.
pressure
drops
because
there
is
less
force
over
the
same
contact
area
 b.
volume
increases
which
causes
pressure
to
drop
 c.
lower
temperature
means
less
pressure
so
tire
volume
decreases
to








 compensate
 d.
the
average
kinetic
energy
of
the
air
particles
outside
increases
 e.
as
the
temperature
decreases,
the
volume
increases
 SI
Review
Sheet
–
Exam
3
 
 Problems:
 
 Aluminum
 Liquid
butane
 Density
 2.7
g/cm3
 0.60
g/cm3
 Specific
Heat
 0.17
cal/gK
 0.54
cal/gK
 
 20. How
many
grams
of
water
are
in
1
mole
of
water?

How
many
molecules
of
water
 are
in
7.8
moles
of
water?
 21. A
28
kg
child
sits
on
a
tricycle.

If
the
pressure
in
each
tire
is
500
Pa,
what
is
the
 contact
area
of
each
tire?
 22. In
a
closed
container
with
a
fixed
volume,
the
temperature
is
increased
from
24°C
to
 82°C.

What
will
happen
to
the
pressure?

If
the
initial
pressure
is
0.7
atm,
find
the
 final
pressure.
 23. 1
atm
is
equal
to
101,325
Pascals.

How
far
down
should
a
diver
go
underwater
to
 experience
a
pressure
of
1
atm?

 24. A
425
cm3
block
of
aluminum
is
submerged
in
water.

Find
the
buoyant
force.
 25. A
425
cm3
block
of
aluminum
is
submerged
in
liquid
butane.

Find
the
net
force.
 26. Calculate
the
thermal
equilibrium
temperature
of
10
g
of
aluminum
at
30°C
 submerged
in
75
g
of
liquid
butane
at
‐22°C.
 27. High
speed
winds
in
a
hurricane
cause
the
outside
air
pressure
to
drop
from
a
 normal
1
atm
to
0.96
atm.

If
your
roof
has
an
area
of
215
m2,
what
is
the
pressure
 differential
between
the
inside
and
the
outside
of
the
house?

What
is
the
outward
 force
of
the
air
inside
the
house
on
the
roof?
 
 
 Water
 Ice
 Aluminum
 Specific
Heat
 1
cal/gK
 0.5
cal/gK
 0.17
cal/gK
 Melting
Point
 0°C
 Latent
Heat
of
Melting
 79.8
cal/g
 327.5°C
 76.7
cal/g
 
 28. How
much
heat
is
required
to
completely
melt
a
17
g
block
of
aluminum
at
298
K?
 29. How
much
heat
is
needed
to
raise
the
temperature
of
a
30
g
block
of
ice
from
263
K
 to
283
K?
 30. The
speed
of
sound
is
340
m/sec.

If
the
wavelength
of
a
sound
wave
is
0.3
m,
what
 is
the
frequency?
 31. The
speed
of
light
is
3.0*108
m/sec.

If
the
frequency
of
an
electromagnetic
wave
is
 4.3*1014
Hz,
what
is
the
wavelength
in
nanometers
(10‐9
m)?
 
 ...
View Full Document

This note was uploaded on 08/30/2011 for the course PSC 1121 taught by Professor Velissaris during the Spring '08 term at University of Central Florida.

Ask a homework question - tutors are online