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Hearne ISD
Science
Course: Chemistry
Unit: Chemical Equations, Oxidation-Reduction Reaction,
Stoichiometry
TEKS/Prerequisites
Assessment
Guiding Questions
Specificity
Conservation of Mass, Chemical Reactions, and The Mole
TEKS:
Guiding questions:
8A, 8B, 8C, 8D
How do you convert
atoms to moles and moles
(8) Science concepts. The student can
to atoms?
quantify the changes that occur during
chemical reactions. The student is
How do you convert from
expected to:
moles to grams and grams
to moles?
(A) define and use the concept of a
mole;
How do you find the
formula mass or the molar
(EOC Supporting Standard)
mass of a compound?
(B) use the mole concept to calculate the
number of atoms, ions, or molecules in a Specificity:
sample of material;
Use and apply the Law
(EOC Readiness Standard)
of Conservation of
(D) use the law of conservation of mass
to write and balance chemical equations;
(EOC Readiness Standard)
Mass
Identify types of
reactions
Designated Six Weeks: Fourth Six Weeks
Days to teach: 28 Days
Vocabulary
Resources/
Weblinks
Days to Teach: 10 days
A sample of tin
contains 3.01 x1023
atoms. The mass of
the sample is
A. 3.01 g.
B. 72.6 g.
C. 59.3 g.
D. 11 g.
Mole
Moles in Lab
Textbook: Chemistry,
Holt, 2015
Avogadro
Avogadro’s number
Molar mass
Atomic mass unit
APPS: I Tunes U – TAS
Chem
Types of chemical
equations
Write a balanced
chemical equation
for the formation of
ammonia from
nitrogen& H
A
Combustion
Single replacement
10H
Double replacement
(10) Science concepts. The student
understands and can apply the factors
that influence the behavior of solutions.
The student is expected to:
(H) understand and differentiate among
acid-base reactions, precipitation
reactions, and oxidation-reduction
reactions
Synthesis
Redox
Decomposition
Law of conservation
Balance
Revised Spring 2014
Instructional
Strategies/ELPS
Hearne ISD
Science
Course: Chemistry
Unit: Chemical Equations, Oxidation-Reduction Reaction,
Stoichiometry
TEKS/Prerequisites
Assessment
Guiding Questions
Specificity
Redox Chemistry
TEKS:
10H
(10) Science concepts. The student
understands and can apply the factors
that influence the behavior of solutions.
The student is expected to:
(H) understand and differentiate among
acid-base reactions, precipitation
reactions, and oxidation-reduction
reactions
(EOC Readiness Standard)
College and Career Readiness
Standards
Revised Spring 2014
Vocabulary
Instructional
Strategies/ELPS
Resources/
Weblinks
Days to Teach: 5 Days
Guiding Questions:
Precipitate reaction
Specificity:
Understand and
differentiate among
acid-base reactions,
precipitation reactions,
and oxidation-reduction
reactions
Text: Modern Chemistry,
Holt, 2015.
Redox reactions
How do you differentiate
between precipitate and
redox reactions?
Oxidation number
If zinc is placed in a
copper sulfate solution,
which of the following
occurs?
A. Zinc is oxidized
B. Copper is the
reducing agent
C. Zinc is reduced
D. Copper is oxidized
E. Chemical reactions
1. Classify chemical reactions by type.
Describe the evidence that a chemical
reaction has occurred.
2. Describe the properties of acids and
bases, and identify the products of a
neutralization reaction.
3. Understand oxidation-reduction
reactions.
5. Understand energy changes in
chemical reactions.
Designated Six Weeks: Fourth Six Weeks
Days to teach: 28 Days
In the reaction
2K + Br2 2K+ +
2Br–, which species
is reduced?
a. K only
b. both K and Br2
c. Br2 only
d. neither K nor Br2
Electroplating Lab
Oxidize
Reduce
Redox Reactions: Lecture
http://academicearth.org/l
ctures/got-electrons-redox
reactions
Redox Reaction Demos:
http://www.youtube.com/
atch?v=4-LA9BxQsdE
Electroplating
ELPS:
http://ritter.tea.state.t
x.us/rules/tac/chapter
074/ch074a.html
3E – QAR
4K – analyze lab data
APPS: I Tunes U – TAS
Chem
A
Hearne ISD
Science
Course: Chemistry
Unit: Chemical Equations, Oxidation-Reduction Reaction,
Stoichiometry
TEKS/Prerequisites
Assessment
Guiding Questions
Specificity
Reaction Stoichiometry
TEKS:
8E
8) Science concepts. The student can
quantify the changes that occur during
chemical reactions. The student is
expected to:
(E) perform stoichiometric calculations,
including determination of mass
relationships between reactants and
products, calculation of limiting
reagents, and percent yield. (EOC
Supporting Standard)
Prerequisites
Dimensional analysis
College and Career Readiness
Standards
G. The Mole and Stoichiometry
1.Understand the mole concept
2.Understand molar relationships in
reactions, stoichiometric calculations,
and percent yield
Revised Spring 2014
Designated Six Weeks: Fourth Six Weeks
Days to teach: 28 Days
Vocabulary
Instructional
Strategies/ELPS
Resources/
Weblinks
Days to Teach: 15 Days
Guiding Questions:
What is the law of
conservation of mass?
Specificity:
Use stoichiometry of
chemical equations to
calculate molar
conversions
• Calculate
Mole ratio
Limiting reactant
• Calculate Percent
Yield
Determine the limiting
reagent of a given
chemical reaction.
If 3 moles of water
undergoes electrolysis,
how many grams of
oxygen and how many
grams of hydrogen are
produced?
Chemical equations
Products
http://eocvideos.weebly.c
m/
Reactants
Percent yield
Stoichiometry
In a lab setting, 2 grams
of potassium chlorate
are decomposed into
1.15 grams of
potassium chloride.
What is its percent
yield?
Textbook: Modern
Chemistry, Holt, 2015.
Limiting reagent
(reactant)
Lab: The
Decomposition of
Potassium Chlorate
ELPS:
http://ritter.tea.state.t
x.us/rules/tac/chapter
074/ch074a.html
4K – Q & A
APPS: I Tunes U – TAS A
Chem
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