Chem Trashketball:
Semester 1 Benchmark
Review
Let’s Play
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Gas Laws
Solutions
Molar Mass
Stoichiometry
and Units
Challenge
100
100
100
100
200
200
200
200
200
400
300
300
300
300
600
400
400
400
400
800
500
500
500
500
???
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Gas Laws for 100 Part 1
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A bag of hot cheetohs was opened and in a
short period of time the cheetoh smell was
detected
across
the room. on
Thisthe
is due
to:
Most
of the
elements
Table
100
are of this type, exhibiting
A being
heavier
than
air
and
sinking
to
the
floor.
properties of luster, electrical
B being lighter than air and rising to the ceiling.
conductivity, ductility, and
C moving from low concentration to high
malleability.
concentration.
D moving randomly and diffusing across the
room.
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Gas Laws for 100 Part 2
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A rugby ball is inflated with air to a
pressure of 16 pounds per square inch. The
reasonofthis
pressure
can beon
measured
is:
Most
the
elements
the Table
100
are of this type, exhibiting
A collision
of
air
molecules
with
the
sides
of
properties of luster, electrical
the ball.
conductivity, ductility, and
B air molecules leaking out of the rubber.
malleability.
C the diffusion
of air with the rubber.
D sinking of air molecules to the bottom of
the ball.
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Gas Laws for 200 – Part 1
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Which of the following is true about the
temperature 0 K?
200
A It’s the temperature that water freezes.
The unreactive, Group 18 elements.
B It is the lowest possible temperature.
C It is the temperature where all objects
would cease to exist.
D It is the highest possible temperature.
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Gas Laws for 200 – Part 2
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A sealed syringe holds 22.4 L of gas at
2.00 atm, 0.0 C. If the syringe is
allowed to expand to 44.8 L what is the
final pressure assuming the final
The unreactive, Group 18 elements.
temperature is 273 C?
200
A 0.500 atm
C 2.00 atm
B 1.00 atm
D 4.00 atm
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Gas Laws for 300 – Part 1
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Standard Temperature and Pressure
(STP) is defined as 0 C and 1 atm.
Another way to say this is:
300
Elements 90-103
A -273 K and 15 atm.
B 0 K and 760 kPa.
C 273 K and 760 mmHg.
D -273 C and 760 Torr
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Gas Laws for 300 – Part 2
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Methane gas and oxygen were released
at opposite ends of a glass tube. The
gases will move toward the middle of
the tube because the molecules are:
Elements 90-103
A) Afraid of the air molecules.
B) attracted to each other.
C) in constant random motion.
D) moving to a higher concentration.
300
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Gas Laws for 400 – Part 1
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EXTRA EASY
What is the approximate temperature in
Kelvin of a room that is 5 C?
The highly-reactive, Group 1
A -5 K
elements.
B 55 K
C 234 K
D 278 K
400
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Gas Laws for 400 – Part 2
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EXTRA HARD
7 L of oxygen gas and 23 L of helium
gas, both at 0 oC and 1.0 atm, are
pumped into a big ‘ol 10 L tank. What is
The highly-reactive, Group 1
the total pressure of the two gases in the
elements.
tank, at 273 oK?
400
A 0.042 atm
C 2.0 atm
B 3.0 atm
D 6.0 atm
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Gas Laws for 500 – Part 1
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Where polar bears live, the temperature
can get as low as –55 C. In Kelvin, this
temperature would be
The highly-reactive, Group 17
A 172 K.
elements.
B 208 K.
C 292 K.
D 308 K.
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Gas Laws for 500 – Part 2
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When blowing stuff up in the lab, the
gas produced is measured at a
temperature of 1143 K. What is this
temperature in Celsius?
The highly-reactive, Group 17
elements.
A 870 C
B 906 C
C 1380 C
D 1416 C
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Gas Laws for 500 – Part 3
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Mr. Astor heated a can to force some the
air out of the can. When the can is
flipped into water and cooled, it will
crush because the pressure inside has
The highly-reactive, Group 17
__________ due to __________
elements.
molecules colliding against the surface.
500
A increased; more
C increased; fewer
B decreased; more
D decreased; fewer
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Solutions for 100 – Part 1
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What is the dissolving medium in a
This broad classification of
solution?
elements consist of insulators,
and are generally gases or brittle
A solvent
solids at room temperature.
B suspension
C solute
D colloid
100
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Solutions for 100 – Part 2
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The salt that is dissolved in water to
makebroad
a solution
is called theof
This
classification
elements consist of insulators,
A sediment.
and are generally
gases or brittle
B at
parts
per million.
solids
room
temperature.
C solute.
D solvent.
100
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Solutions for 100 – Part 3
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In an aqueous solution, the dissolved
particles
are the
This broad
classification
of
elements consist of insulators,
A solute.
and are generally
gases or brittle
solvent.
solids at B
room
temperature.
C solubility.
D salivation.
100
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Solutions for 200
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58.5 grams of sodium chloride (NaCl)
are dissolved in water to make 1000 mL
of solution. What is the molarity (M) of
the NaCl?
These “stair-step”
elements exhibit
properties of both insulators and
A 0.0585 M
conductors.
B 0.50 M
C 1.0 M
D 6.5 M
200
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63 mg of botullin toxin (botox) were
detected in 7 L of water. What is the
concentration of the toxin? (Hint: 1 L =
how many grams?)
Elements 58-71.
A 9 ppm
B 63 ppm
C 441 ppm
D 9,000 ppm
300
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Solutions for 400 – Part 1
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Thermometers are made from mercury
and solid titanium. A typical composition
is
6.9Group
grams mercury
and 75.0
grams
The
11 elements
were
oftenof
titanium.
The
mercury times
is called
used in
historical
asthe
currency.
A solvent.
B solution.
C solute.
D dissolving medium.
400
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Solutions for 400 – Part 2
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A solution contains 8 g of
methanol(CH3OH) dissolved in 500 mL
of water. The molar concentration is
_____.
The Group 11 elements
were often
used in historical times as
Acurrency.
0.016 M
B 0.0032 M
C 0.500 M
D 4.0 M
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Solutions for 500
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Daily Double! Bonus 500 points for getting
this correct.
What is the best determiner of
intermolecular
forces?
The Group
11 elements
were often
used in historical times as
A density
B solubility
currency. C melting point
D molecular mass E stoichiometry
F aquafina
G Mr. Astor H molarity
400
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Molar Mass for 100 – Part 1
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What is the molar mass of Perchloric
acid (HClO4)?
This Russian scientist is credited
with inventing the Table, around
A 15 grams
the year 1870.
B 52 grams
C 99 grams
D 100 grams
100
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Use the periodic table to calculate the
molar mass of potassium hydroxide
This Russian (KOH).
scientist is credited
with inventing the Table, around
A 3 g 1870.
the year
B 15 g
C 32 g
D 56 g
100
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How many moles are in 132 grams of
carbon dioxide (CO2)?
Mendeleev based his Table on this
1 mole
propertyAof
the elements.
B 2 moles
C 3 moles
D 4 moles
200
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Molar Mass for 300
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1.8 1024 molecules of oxygen would
contain approximately how many
moles?Henry Moseley
The British scientist
modified Mendeleev’s Table,
3
using this A
property
of the
B4
elements.
C 32
D 128
300
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400
This principle states that the
What
properties
is the molar
exhibited
massby
ofelements
NH3(OH)2
repeat at regular intervals.
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Using his Table, Mendeleev was
What are the units of Molar Mass,
able to predict the properties of
and when do we use them during
these substances, without having
stoichiometry problems?
any prior knowledge about them.
500
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Stoichiometry for 100
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100
What
are the
units
Molarity
The
general
term
thatof
refers
to the
size of (M)
a neutral
? atom.
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Stoichiometry for 200
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100
What
are the standard
units
thatto
wethe
use
The general
term that
refers
for pressure,
and temperature?
size volume,
of a neutral
atom.
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Grams (g) is the basic unit of mass.
When you put a small m in front of the
The general term that refers to the
g, what is that unit called?
size of a neutral atom.
Example: mg
Another example is mL
100
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In the balanced equation, H2 + Cl2
2HCl, 2.0 g of hydrogen (H2) would
require how many grams of chlorine
(Cl2) to completely react?
The general term that refers to the
size of a neutral atom.
A 2.0 grams
B 35.5 grams
C 37.5 grams
D 71.0 grams
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How many grams of nitrogen are
needed to produce 68.1 grams of
ammonia (NH3).
N2 + 3H2 2NH3
The general term that refers to the
size of a neutral atom.
A 28 grams
B 56 grams
C 112 grams
D 224 grams
100
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200
What is the mass of 3 moles of Helium,
The general term that refers to the
He?
size of a cation or an anion.
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200
If all
atomicterm
and molecular
motion
The
general
that refers
to the
stopped,
thea substance
be at:
size of
cation orwould
an anion.
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A sample of gas occupies 300 mL at
STP. What is the temperature if the gas
The general term that refers to the
expands to 1800 mL at a pressure of
size of a cation or an anion.
0.500 atm?
200
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Ammonia (NH3) can be produced by the
reaction of hydrogen and nitrogen
in term
the equation
below.
The shown
general
that refers
to the
3Ha2 cation
+ N2 or
2NH
size of
an3 anion.
If 84.1 grams of N2 react completely
with H2, how many grams of ammonia
are produced?
200
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After playing this review game,
what score do I expect to get on
my benchmark?
Write
Your
Across
the
entire
Table,
Bonus Question:Periodic
Is Mr. Astor:
this
is
the
direction
in
which
Final
Challenge
A. The best teacher ever
electronegativity
increases.
Wager
B. The greatest
teacher alive
C. Really good at chemistry TIME’
S
D. Really good at everything UP!
Game Over
STUDY FOR YOUR
TEST.
“Failing to prepare is preparing to
fail.”