Jeopardy Mole calculations Stoked about Stoich Mixed Stoichiometry SolutionsAcids/Bases Q $100 Q...
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Transcript of Jeopardy Mole calculations Stoked about Stoich Mixed Stoichiometry SolutionsAcids/Bases Q $100 Q...
JeopardyMole
calculationsStoked
about StoichMixed
StoichiometrySolutions Acids/Bases
Q $100
Q $200
Q $300
Q $400
Q $500
Q $100 Q $100Q $100 Q $100
Q $200 Q $200 Q $200 Q $200
Q $300 Q $300 Q $300 Q $300
Q $400 Q $400 Q $400 Q $400
Q $500 Q $500 Q $500 Q $500
Final Jeopardy
$100 Question
What is Avogadro's #
$100 Answer
6.02 x 10 23
$200 Question
Calculate the molar mass of:
Fe2O3
Round to 2 decimal places
$200 Answer
159.7 g/mole
$300 Question
Calculate mass of 2.5 moles of Fe(NO3)2
$300 Answer
179.87 g/mole
$400 Question
Calculate the percent of water in:
CoCl2 6 H2O
Round to 2 decimal places
$400 Answer
237.93 g/mole = Molar mass
Water =45.45%
$500 Question
How many molecules are in2 grams of ammonia?
$500 Answer
7.22 x 10 22
Or7.07 x 10 22
$100 Question
Balance and write 3 mole ratios
__ H2O __ H2 + __ O2
$100 Answer
2 H2O 2 H2 + 1 O2
$200 Question
The ratio of Fe to FeThe ratio of Fe to Fe22OO33 in the in the reaction below isreaction below is
__Fe__Fe22OO33 + __ Al + __ Al __ Fe +__ Al __ Fe +__ Al22OO33
$200 Answer
2 Fe / 1 Fe2O3
$300 QuestionWhich of the following is true about this reaction:
__ H2 + __ AlCl3 __ Al + __ HCl
A)2 molecules of Hydrogen reactB)6 moles of Hydrochloric acid can be producedC)2 liters of aluminum chloride react
$300 Answer
3 H2 + 2 AlCl3 2 Al + 6 HCl
B) 6 moles of Hydrochloric acid can be produces
$400 Question
__ ZnS + __ O2 __ ZnO + __ SO2
a)Balance the equationb)How many moles of Zinc Oxide can be produced from 7.25 moles ofOxygen?
$400 Answer
2 ZnS + 3 O2 2 ZnO + 2 SO2
5 moles of ZnO
$500 Question
__ C6H6 + __ O2 __ CO2 + ___ H2O
A)Balance the equationsB)If I have 2.1 Liters of oxygen, how many
Liters of Carbon dioxide can be made?
$500 Answer
2 C6H6 + 15 O2 12 CO2 + 6 H2O
1.57 Liters - 1.68 Liters
$100 Question
List 2 stoichiometric calculationswhere you DO NOT need
the molar mass
$100 Answer
Mole-Particle, Particle-MoleVolume-Particle, Particle-volume
$200 Question
:4 Fe + 3 O2 2 Fe2O3
How many liters of Oxygen are neededto produce 2 moles of
Iron (III) Oxide?
$200 Answer
67.2 Liters
$300 Question
When an equation is used to calculatethe amount of product that will form
during a reaction, then the valueobtained is called the _______.
$300 Answer
Theoretical yeild
$400 QuestionA student reacts Fluorine with
calcium chloride to produce18.72 grams of calcium fluoride:
CaCl2 + F2 CaF2 + Cl2
If stoichiometric calculations prove20 g should have been produced,
What is the students percent yield?
$400 Answer
93.6 %
$500 Question
__C2H4 + __O2 __CO2 + __H2O
A)Balance the equationB)How many grams of C2H4 are
needed to produce 250 g of water?
$500 Answer
194.6 g
$100 Question
What is the equation forConcentration?
$100 Answer
M = mole / Liters
$200 Question
Calculate the molarity of a solutionwith 7 moles of solvent in 569 mL
of solution
$200 Answer
12.3 M
$300 Question
List the 3 factors thatusually make a substancedissolve faster in a solvent
$300 Answer
Agitation (stirring)Particle sizeTemperature
$400 Question
What is the molarityof a solution containing
75 g of NaCl in 100 mL of
water?
$400 Answer
12.8 M
$500 Question
3 L of 6 M HCl is diluted until the concentration is 0.1 M. What if the new
volume of the dilute solution?
$500 Answer
180 L
$100 Question
Acid or base: LiOH
$100 Answer
Base
$200 Question
What is the [H+] of a neutral solution?
$200 Answer
1 x 10 -7
$300 Question
Predict the products of the following neutralization reaction:
H2SO4 + KOH
$300 Answer
H2SO4 + KOH K2SO4 + H2O
(not balaced)
$400 Question
Calculate the pH of a substance when [H+] = 3.2 x 10 -9
$400 Answer
8.5
$500 Question
A solution has a [H+] of2.5 x10 -5. What is the pOH?
$500 Answer
9.4
Final Jeopardy
Write the balanced neutralization reaction between Hydrochloric acid
and Lead (II) hydroxide
Final Jeopardy Answer
HCl + Pb(OH)2 PbCl2 + H2O
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