Transcript Stoichiometry Jeopardy

Stoichiopardy
Holy
Moley
Let’s talk… Do the 2 or 3
step
mole to mole
Limit my
Percent
Star Wars
Q $100
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Q $500
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Final Chempardy
$100 Question from Holy Moley
This is the branch of chemistry that deals
with mass relationships in compounds
and reactions.
$100 Answer from Holy Moley
What is Stoichiometry?
$200 Question from Holy Moley
In a chemical reaction, these numbers
can be used to determine the mole
ratio of any reactants and/or products.
$200 Answer from Holy Moley
What are coefficients?
$300 Question from Holy Moley
These are the units of molar mass.
$300 Answer from Holy Moley
What are g/mol?
$400 Question from Holy Moley
In the reaction represented by the
equation 2Al2O3  4Al + 3O2, this is
the mole ratio of Aluminum to
Aluminum Oxide.
$400 Answer from Holy Moley
What is 2:1?
$500 Question from Holy Moley
This is the molar mass of Copper(II)
Sulfate.
$500 Answer from Holy Moley
What is a 160 g/mol?
$100 Question from Mole to
Mole
This is the coefficient of hydrogen gas in
the balanced form of the following
reaction:
H2 + O2  H2O
$100 Answer from Mole to Mole
What is 2?
$200 Question from Mole to
Mole
This is the coefficient in front of nitrogen
gas in the correctly balanced form of the
equation:
NH4NO2  N2 + H2O
$200 Answer from Mole to Mole
What is 1?
$300 Question from Mole to
Mole
This is the mole ratio of H2O to CH4 in the
balanced form of the following reaction:
CH4 + O2  CO2 + H2O
$300 Answer from Mole to Mole
What is 2:1?
$400 Question from Mole to
Mole
This is how many moles of LiOH are
required to react 20 moles of CO2 in
the following reaction:
CO2 + 2LiOH  Li2CO3 + H2O
$400 Answer from Mole to Mole
What is 40 moles?
$500 Question from Mole to
Mole
In the balanced form of the following
reaction, this is how many moles of
ammonia are produced when 6 mol of
hydrogen gas reacts completely:
N2 + H2  NH3
$500 Answer from Mole to Mole
What is 4 moles?
$100 Question from 2 or 3 Step
This is the amount of moles that
are contained in 18 grams of
water.
$100 Answer from 2 or 3 Step
What is 1 mole?
$200 Question from 2 or 3 Step
This is the mass of carbon dioxide that is
needed to react with 3.00 mol of H2O in
the following reaction (MM of CO2 = 44
g/mol):
6CO2 + 6H2O  C6H12O6 + 6O2
$200 Answer from 2 or 3 Step
What is 132 g.?
$300 Question from 2 or 3 Step
This is the mass of magnesium
oxide produced from 2 moles of
magnesium in the following
reaction:
2Mg + O2  2MgO
$300 Answer from 2 or 3 Step
What is 81 g.?
$400 Question from 2 or 3 Step
This is the amount of moles of
magnesium oxide that are needed to
produce 125 grams of oxygen gas in the
following reaction:
2MgO  2Mg + O2
$400 Answer from 2 or 3 Step
What is 7.8 g. of MgO?
$500 Question from 2 or 3 Step
This is the mass of aluminum
produced by the decomposition
of 5 g of Al2O3 according to the
following reaction:
2Al2O3  4Al + 3O2
$500 Answer from 2 or 3 Step
What is 2.6 g.
$100 Question from Limit my
Percent
This is the reactant which controls how
much of any product will be made.
$100 Answer from Limit my
Percent
What is the limiting reactant?
$200 Question from Limit my
Percent
This is how you can tell how much
of the excess reactant is left over
after a reaction.
$200 Answer from Limit my
Percent
What you have
-what you need ?
$300 Question from Limit my
Percent
The percent yield tells you a
relationship between the _________
yield and actual yield of a certain
product.
$300 Answer from Limit my
Percent
What is theoretical?
$400 Question from Limit my
Percent
If 75.0 g of CO reacts to produce 68.4 g of
CH3OH, this is the percentage yield of
CH3OH according to the following
reaction:
CO + 2H2  CH3OH
$400 Answer from Limit my
Percent
What is 79.7%?
$500 Question from Limit my
Percent
When 2.00 x 103 g of CaCO3
decomposes according to the following
equation, the actual yield of CaO is 1.05
x 103 g. This is the percent yield.
CaCO3  CaO + CO2
$500 Answer from Limit my
Percent
What is 93.8%?
$100 Question from Star Wars
This is the name of Luke
Skywalker’s sister.
$100 Answer from Star Wars
Who is Leia Organa?
$200 Question from Star Wars
What is the Sith name of the
Emporer?
$200 Answer from Star Wars
Darth Sidious
$300 Question from Star Wars
When disguised as a Bounty Hunter, what
does Leia threaten Jabba the Hut with?
(Ep. VI)
$300 Answer from Star Wars
What is a Thermal Detonator?
$400 Question from Star Wars
This person was the template for the
Clone Army of the Republic.
$400 Answer from Star Wars
Who is Jango Fett?
$500 Question from Star Wars
This is the response given by Han
Solo to Leia saying “I Love You”
before he was frozen in carbonite.
$500 Answer from Potpourri
What is “I Know”?
Final Stoichiopardy
If 16.2 g of Mg are heated with 12.0 g. of H2O
according to the following balance equation,
what are the excess moles of the excess
reactant?
Final Stoichiopardy Answer
What is 0.334 mol of Mg