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WorksheetsThermo/Nuclear Review
Total questions: 20
Worksheet time: 21mins
Name
Class
Date
1.
Temperature is directly related to a substance's ______.
a)
kinetic energy
b)
potential energy
c)
stoichiometry
d)
mitochondria
2.
Convert -40 °C to °F
Tf = (9/5)Tc + 32
Tf = (9/5)Tc + 32
a)
-40 °F
b)
32 °F
c)
0 °F
d)
273.15 °F
3.
Convert 98.6 °F to Kelvin
Tc = (5/9)(Tf-32)
TK = Tc + 273.15
Tc = (5/9)(Tf-32)
TK = Tc + 273.15
a)
37 K
b)
310.1 K
c)
32 K
d)
0 K
4.
Heat flows from _____ to _____.
a)
hot, cold
b)
cold, hot
c)
left, right
d)
right, up
5.
Which scenario has greater heat transfer:
a. Between 0 °F and 10 °F
b. Between 0 °F and 25 °F
a. Between 0 °F and 10 °F
b. Between 0 °F and 25 °F
a)
a
b)
b
6.
Internal energy involves the _____ of a molecule's particles.
a)
Potential energy
b)
Kinetic energy
c)
Chemical energy
d)
All of them
7.
An isobaric process has no change in _____.
a)
pressure
b)
work
c)
internal energy
d)
heat
8.
An isochoric process has no change in _____ and W = 0.
a)
pressure
b)
volume
c)
internal energy
d)
heat
9.
An isothermal process has no change in _____ and ΔU = 0.
a)
pressure
b)
volume
c)
internal energy
d)
temperature
10.
An adiabatic process has no ___ transfer and ΔQ = 0.
a)
pressure
b)
volume
c)
internal energy
d)
heat
11.
An increase in the temperature of a gas _____ its internal energy.
a)
increases
b)
decreases
c)
doesn't change
12.
When work is done on a system with no heat added, its temperature _____.
a)
increases
b)
decreases
c)
stays the same
13.
The 2nd Law of Thermodynamics states that systems trend towards a(n) _____ in their entropy.
a)
increase
b)
decrease
14.
A system gains 1500 J of heat while 2200 J of work is done BY the system on the surroundings. What is the change in internal energy?
ΔU = Q + W
ΔU = Q + W
a)
-700 J
b)
3700 J
c)
700 J
d)
-3700 J
15.
Fill in the missing blank:
a)
Calcium-42
b)
Argon-42
c)
Potassium-43
d)
Helium-4
16.
What type of decay is occurring?
a)
Alpha
b)
Beta
c)
Gamma
d)
Tooth
17.
What type of radiation is most penetrating?
a)
Alpha
b)
Beta
c)
Gamma
d)
Tooth
18.
How many half-lives does it take for a substance to go from 100 g to 12.5 g?
a)
1
b)
2
c)
3
d)
4
19.
How much work has been done on or by a system when internal energy increases by 55 J in an adiabatic process?
ΔU = Q + W
ΔU = Q + W
a)
55 J
b)
-55 J
c)
0 J
d)
Not enough information
20.
How much heat has entered or left the system when 500 J of work has been done on the system in an isothermal process?
ΔU = Q + W
ΔU = Q + W
a)
-500 J
b)
500 J
c)
0 J
d)
Not enough information
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