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WorksheetsIntro to Chem Unit 3 Review
Total questions: 32
Worksheet time: 56mins
Name
Class
Date
1.
Temperature in Chemistry is defined as
a)
How hot or cold something is
b)
The total energy of a substance
c)
The average kinetic energy of a substance
d)
Being the same as heat
2.
Heat in Chemistry is defined as
a)
How hot or cold something is
b)
The total energy of a substance
c)
The average kinetic energy of a substance
d)
Being the same as temperature
3.
Which of the following is not a unit of temperature?
a)
Celsius
b)
Kelvin
c)
Joules
d)
Fahrenheit
4.
What unit of temperature refers to absolute zero?
a)
Celsius
b)
Fahrenheit
c)
Joules
d)
Kelvin
5.
When pressure increases, what happens to the volume?
a)
It goes down
b)
Stays the same
c)
It goes up
d)
Not enough information to tell
6.
When temperature increases, what happens to the volume?
a)
It goes down
b)
It stays the same
c)
It goes up
d)
Not enough information to tell
7.
As pressure goes down, what happens to the temperature?
a)
It goes down
b)
It stays the same
c)
It goes up
d)
Not enough information to tell
8.
Which state of matter is based on the flow of electrons and ions such as lightning, fluorescent lights, and the sun?
a)
Gas
b)
Liquid
c)
Solid
d)
Plasma
9.
Melting is an
a)
Endothermic reaction
b)
Exothermic reaction
10.
Condensation is an
a)
Endothermic reaction
b)
Exothermic reaction
11.
What is this titled in chemistry?
a)
Phase Equilibrium Diagram
b)
Phase Change Diagram
c)
Phase Charge Diagram
d)
Phase Concept Diagram
12.
What is this titled in chemistry?
a)
Phase Equilibrium Diagram
b)
Phase Change Diagram
c)
Phase Charge Diagram
d)
Phase Concept Diagram
13.
Temperature always flows from
a)
High to Low
b)
Low to High
c)
East to West
d)
West to East
14.
Something with a high specific heat
a)
Changes temperature rapidly
b)
Changes temperature slowly
c)
Is always very hot
d)
Is always very cold
15.
Which of the following has the lowest specific heat?
a)
Water
b)
Sand
c)
Air
d)
Metal
16.
Which state of matter only has definite volume, and adjusts its shape depending on the container it is in?
a)
Gas
b)
Liquid
c)
Solid
d)
Plasma
17.
Which of the following is the melting point of water?
a)
0 C
b)
32 C
c)
373 K
d)
212 F
18.
Which of the following is the boiling point of water?
a)
273 K
b)
212 F
c)
0 C
d)
0 F
19.
Going from a liquid to a solid is called
a)
Melting
b)
Freezing
c)
Evaporation
d)
Condensation
20.
Going from gas to solid is called
a)
Evaporation
b)
Condensation
c)
Deposition
d)
Sublimation
21.
If given water at a pressure of 10 atm and a temperature of 50 C, what state of matter would it be in?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
22.
When going from right to left at the 2nd plateau, what phase change is occurring?
a)
Deposition
b)
Sublimation
c)
Condensation
d)
Evaporation
23.
What mass of water can be heated from 25.0° C to 50.0° C by the addition of 2825 J? (The specific heat of water is 4.18 J/g*C)
(q = m*c*ΔT)
(q = m*c*ΔT)
a)
27.0 g
b)
72.0 g
c)
295,000 g
d)
2,900 g
24.
What is 150 degrees K converted to C?
a)
-123 C
b)
423 C
c)
225 C
d)
315 C
25.
What is -15 degrees C converted to F?
a)
-15 F
b)
-5 F
c)
5 F
d)
15 F
26.
What is 59 degrees F converted to K?
a)
45 K
b)
245 K
c)
288 K
d)
298 K
27.
What did the salt do to help make ice cream in the lab performed in class?
a)
The salt allowed the ice to freeze more, which then added heat to the ice cream mixture causing it to evaporate.
b)
The salt combined with the sugar which reacted to produce a colder substance.
c)
The salt allowed the ice to melt, which then pulled heat from the ice cream mixture causing it to freeze.
d)
The salt was not necessary to perform the experiment.
28.
Boyle's Law: You have a gas that has a pressure of 2 atm and a volume of 10L. What would be the new volume if the pressure was changed to 1 atm?
a)
5 L
b)
20 L
c)
10 L
d)
1 L
29.
Charles' Law: You have a gas that has a temperature of 288 degrees K and a volume of 5 L. What would be the new volume if the temperature changed to 350 K?
a)
5 L
b)
10.15 L
c)
4.11 L
d)
6.08 L
30.
G-L Law: You have a gas that has a pressure of 4.5 atm and a temperature of 45 degrees C. What would be the new pressure if the temperature changed to 100 degrees C?
a)
10 atm
b)
5.3 atm
c)
20 atm
d)
2.6 atm
31.
Exothermic reactions...
a)
Absorb energy
b)
Release energy
c)
Release Color
d)
Absorb Color
32.
Endothermic reactions...
a)
Absorb energy
b)
Release energy
c)
Release Color
d)
Absorb Color
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