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Ch 13-14 Concepts Review

Total questions: 37

Worksheet time: 2hrs 9mins

Name
Class
Date
1.
The ideal gas law is an equation that relates the  what  variables to a constant of R.
a)
volume, pressure, temperature
b)
volume, temperature, pressure, amount of gas particles
c)
volume, pressure
d)
volume, temperatue
2.
If the temperature of a gas increase, the pressure...
a)
Decreases
b)
Increases
c)
Does not change
3.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
4.

What does the variable "n" represent in the ideal gas law?

a)

pressure

b)

volume

c)

moles

d)

the gas constant

e)

temperature

5.

What does the variable "R" represent in the ideal gas law?

a)

pressure

b)

volume

c)

moles

d)

the gas constant

e)

temperature

6.
What will happen to the volume of a gas under constant temperature if the pressure increases?
a)
Increase
b)
Decrease
c)
Nothing
d)
Explosion!
7.
What is 50 C in Kelvin?
a)
223
b)
323
c)
100
d)
50
8.
How are pressure and volume related?
a)
Directly
b)
Indirectly
c)
They aren't related
9.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
10.
The energy of an object as it is in motion is defined as
a)
Kinetic Theory
b)
Kinetic energy
c)
Potential energy
d)
Electric energy
11.
The higher the average kinetic energy the __________________ 
a)
the higher the volume
b)
the higher the mass
c)
the higher the temperature
d)
the higher the density
12.
Absolute zero is 
a)
0 K
b)
where there is no molecular movement
c)
the coldest temperature possible
d)
all of these
13.
Heat is the movement of ______.
a)
radiation
b)
thermal energy
c)
cold
d)
fire
14.
Thermal energy ALWAYS moves from _____ to _____.
a)
solid to liquid
b)
ice to water
c)
hot to cold
d)
solid to gas
15.
If an object has particles that are moving very slowly, the object's temperature is probably ______.
a)
hot
b)
small
c)
cold
d)
big
16.
The flow of thermal energy from warmer objects to cooler objects is called ______.
a)
heat
b)
movement
c)
friction
d)
energy
17.
___________ is measured by the unit Joules.
a)
Heat energy
b)
Temperature
c)
Specific heat
18.
What  is the formula to calculate heat energy required to raise the temperature of any substance?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ½mv
d)
m=QC
19.
All changes in the state of matter of a substance requires
a)
vibration
b)
water
c)
permission
d)
energy
20.
What is the freezing point for this substance?
a)
60 °C
b)
40 °C
c)
80 °C
d)
100 °C
21.
The amount of heat required to raise the temperature of one gram of a substance by one degree Celsius is ________
a)
Heat energy
b)
Specific heat
c)
convection
d)
thermal energy
22.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
23.
Thermal energy added during a phase change...
a)
increases the temperature of the substance
b)
decreases the temperature of the substance
c)
doesn't change the temperature of the substance
d)
is lost to the environment
24.
What occurs on the flat lines of the heating curve?
a)
temperature increase
b)
temperature decrease
c)
phase change
d)
dead water
25.

Which equation would I use on a flat line on the heating curve?

a)

q = m ∙ c ∙ ∆T

b)

q = m ∙ c ∙ ∆L

c)

q = m ∙ ∆T

d)

q = m ∙ L

26.

Which equation would I use on a slanted line on the heating curve?

a)

q = m ∙ c ∙ ∆T

b)

q = m ∙ c ∙ ∆L

c)

q = m ∙ ∆T

d)

q = m ∙ L

27.
If the torque required to loosen a nut on the wheel of a car has a magnitude of 60.0 N• m, what minimum perpendicular force must be exerted by a mechanic at the end of a 45.0 cm wrench to loosen the nut?
a)
.666 Nm
b)
 133.3 N
c)
66.7 N
d)
13.3 Nm
28.
A state of equilibrium is also seen below. Each of the cars weighs the same  9800 N. Despite the fact that there is only one car on the left-hand side that is 9 m from the fulcrum, the torques balance because, the car on the left-hand side, is ____meters from the fulcrum, compared to the cars on the right-hand side.
a)
4.5 m
b)
3 m
c)
1 m
d)
2 m
29.
A seesaw is unbalanced with two people of different masses sitting equal distances from the center. Which of the following will result in equilibrium?
a)
The larger person moving further away from the center.
b)
Moving the smaller person closer to the center.
c)
Moving the smaller person further from the center.
d)
Making the larger person do nothing.
30.
What direction is the torque acting with respect to post A?
a)
clockwise
b)
Counter clockwise
c)
Neither Direction
d)
Depends on the mass of the diver
31.

Hot coffee is stirred with a spoon, the spoon gets hot due to

a)

conduction.

b)

convection.

c)

radiation.

32.

Near the ceiling of a room the air is warmer. The warm air rises because of

a)

conduction.

b)

convection.

c)

radiation.

33.

The metal skewer gets so hot that your drop your marshmallow in the campfire. The marshmallow fell because of

a)

conduction.

b)

convection.

c)

radiation.

34.

A huge rock at the state park gets so hot during the day that you can't sit on it. The rock is so hot due to

a)

conduction.

b)

convection.

c)

radiation.

35.
Which direction will the heat flow while this person holds a hot cup of tea?
a)
from the cup to her hand
b)
from her hand to the cup
c)
no heat is transferred
36.
Which of the following is the best example of conduction?
a)
A light bulb warming a lampshade
b)
An egg cooking in a frying pan
c)
Water boiling in a pot
d)
Gases circulating in the atmosphere
37.

Which of the following is an example of convection?

a)

When you are making soup and the water is rising and lowering.

b)

When the AC or heater changes the temperature.

c)

When a car engine turns hot after being turned on.

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