Unit 6 Lesson Plans- Moles & Stoichiometry
2015-2016 Honors
Lesson
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Objective
Notes- Measuring Matter Elements
- How do scientists count the number of atoms, molecules,
and formula units?
- What is Avogadro’s number?
- How can particles be converted to moles and how can moles
be converted to particles?
- What is molar mass? What are the units for molar mass?
- How can moles be converted to mass and how can moles be
converted to moles?
Notes- Particle to Mass Conversions
- How can a particle be converted to mass? Can that
conversion be done in one step?
- Can a mass be converted to a particle in one step? How
many steps does it take?
- How can the molar mass be calculated for compounds?
- Do the conversion equations change when calculated for a
compound versus an element?
Mole Activity
- How can the mass of a substance be converted first into
moles and then into atoms?
- What is the molar mass of an element versus the molar mass
of a compound?
- What units must accompany mole conversions?
Quiz- Molar Mass Conversions
- How can moles be converted to mass of a compound?
- How can mass be converted to particles of a compound?
Moles in a Burning Candle Activity
- How can you determine the moles of wax used in a burning
candle?
- How can you calculate the particles of wax used?
- Can you determine how long it would take the candle to
burn completely?
Notes of Formula of a Hydrate
- How are hydrates named?
- What is a hydrate and how can the number of waters in a
hydrate be calculated?
- What are the steps to solving hydrate problems?
Lab # 14- Formula of a Hydrate Lab
- Can you determine the moles of water in a mole of hydrated
compound?
- How many waters are contained in hydrated Magnesium
sulfate?
- How can a hydrate be anhydrated?
Homework (due dates)
- Mole Conversion WS
Per 4- in class
Per 6- 2/8
Per 8- in class
- Particle Mass/Molar Mass
WS
Per 4- 2/5
Per 6- 2/9
Per 8- 2/8
- Quiz Moles
Per 4- 2/9
Per 6- 2/11
Per 8- 2/9
- Finish Mole Activity
Per 4- 2/9
Per 6- 2/11
Per 8- 2/9
- Finish Candle Activity
Per 4- 2/10
Per 6- 2/12
Per 8- 2/10
- Finish Lab #14
Per 4- 2/11
Per 6- 2/17
Per 8- 2/12
76
77
78
79
80
81
Notes- Percent Composition, Empirical and Molecular
Formulas
-What is percent composition? What is the formula for
percent composition?
-What is an empirical formula?
-How can an empirical formula be calculated?
-What is the difference between an empirical and a molecular
formula?
-How can a molecular formula be calculated?
Empirical Formula Activity
- Can an empirical formula of a compound be determined in
the lab?
- If the empirical formula is calculated in the lab will the mole
ratio come out to be a whole number? Why not?
- Can the percent of each element in that compound be
determined? If the percent is not what it should be could a
percent error be determined?
What could cause the percent to be off?
Moles Review
- What is percent composition and how is it calculated to
equal exactly 100%?
- How can moles be converted to atoms and how can moles
be converted to mass?
- What is an empirical formula? What is a molecular formula?
How can both be calculated from percents?
- What is a hydrate and how can hydrates be calculated?
- Mini Mole Test
- What is a hydrate and how can a hydrate be calculated and
named?
- How are empirical and molecular formulas related?
- How are mole conversions done?
- Notes- Stoichiometry
- What is Stoichiometry?
- How are moles and mass related in stoichiometry?
- What is a mole ratio and how are they determined?
- What is a mole to mole conversion? How many steps is that
type of conversion?
- What is a mass to mole conversion and how is it different
than a mole to mole?
- What is a mass to mass and what are the three steps required
to calculate this type of problem?
- What is the most important step for all three of these types
of problems?
- Stoichiometry Practice- Practice WS 2
Go Over Stoichiometry WS
- How is a mole to mole calculated and how is it different
from a mole to mass?
- Why is labeling so important in these types of problems?
- How can these problems be done without memorization of
equations but rather with logic?
- Empirical & Molecular
WS
Per 4- 2/17
Per 6- 2/19
Per 8- 2/17
Finish Empirical Activity
Per 4- 2/18
Per 6Per 8- 2/18
- Study Mini Mole Test
Per 4- 2/19
Per 6- 2/22
Per 8- 2/22
- Stoichiometry WS
Per 4- 2/23
Per 6- 2/23
Per 8- 2/23
- Stoichiometry WS 3
Per 4- 2/24
Per 6- 2/25
Per 8- 2/24
Quiz Stoich
Per 4- 2/24
Per 6- 2/25
Per 8- 2/24
82
83
84
85
Go over Stoich WS 3
A- Stoichiometry Quiz
- How can mole ratios be determined for a balanced chemical
equation?
- Can the three types of stoichiometry problems be
distinguished and calculated?
- Can a stoichiometry problem be solved without first writing
a balanced chemical equation?
- What is a hydrocarbon combustion reaction?
B- S’more Activity
- What is stoichiometry and can it be applied to calculate how
many S’mores can be made from a set amount of materials?
- What is a limiting reactant? Can students learn what the
concept of a limiting reactant is by making S’mores?
- What is an excess reactant and was is the excess in this
S’mores making activity?
Notes- Limiting Reactants
- What is a limiting reactant? What is an excess reactant?
- What are the steps needed to calculate the limiting reactant?
- Once the limiting reactant is found what other calculations
can be done?
- How can the left over excess reactant be calculated?
- How are these calculations related to real life chemistry?
Notes- Percent Yield
- How is percent yield calculated and how is it different from
percent error?
- How is percent yield used in limiting reactant equations?
- How can the theoretical be calculated from a basic
stoichiometry and then be plugged into a percent yield
problem?
Start Percent Yield WS
A- Lab #15- Aluminum Foil Lab
- What products result when a single replacement reaction
occurs between aluminum foil and copper (II) chloride?
- Is there another sign of a chemical reaction besides a
temperature change?
- How is it possible to calculate the mass that should have
resulted from this experiment?
- How close was the results achieved to the results that should
have been achieved?
B- Smarties Percent Composition Activity
- Can students find the percent composition of each color
candy in a Smarties package?
- How do students find the correct masses for the “Smarties”
compound?
- How can the correct molecular formula be found for the
“Smarties” compound?
- Can students apply the percent composition concept to all
compounds?
- Finish Activity
Per 4- 2/25
Per 6- 2/26
Per 8- 2/26
- Limiting Reactant WS#1
Per 4- 2/29
Per 6- 2/29
Per 8- 2/29
Finish Percent Yield WS
Per 4- 3/1
Per 6- 3/2
Per 8- 3/1
- Finish Lab #15
Per 4Per 6on test
Per 8-
-Smarties Activity
Per 4- 3/2
Per 6- 3/3
Per 8- 3/3
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88
Stoichiometry Review
- What are the three types of stoichiometry and how can they
can be calculated?
- What is a limiting reactant and how can it be calculated?
- How can the theoretical yield of a product be calculated
once the limiting is determined?
- How can the theoretical yield be applied to the experimental
and what does that number imply about the lab results?
Mini Test Stoichiometry
- How can the type of stoichiometry problem be determined?
- How can percent yield be calculated without the theoretical
yield being given?
- How can a limiting reactant problem be determined without
the problem specifically saying find the limiting reactant?
- How can a mole ratio be determined?
Egg Activity
-What happens when an egg white is mixed with sodium
bicarbonate and citric acid?
- What real world application are we testing?
- How can calculate the moles of material used? The percent
composition of elements in the materials used?
- How can you graph your results?
- Study Stoichiometry Test
Per 4- 3/4
Per 6- 3/4
Per 8- 3/4
- Finish Activity
Per 4- 3/8
Per 6- 3/9
Per 8- 3/9