SCH3U
UNIT 3 OUTLINE
–
QUANTITIES IN CHEMICAL REACTIONS
Chapters Covered: 6 and 7.
Overall Expectations:
 Analyze processes in the home, the workplace, and the environmental sector that use chemical quantities
and calculations, and assess the importance of quantitative accuracy in industrial chemical processes;
 investigate quantitative relationships in chemical reactions, and solve related problems;
 demonstrate an understanding of the mole concept and its significance to the quantitative analysis of
chemical reactions.
LESSON
TEXT REFERENCE + LEARNING GOALS
DESCRIPTION + HOMEWORK
1
Unit 3 Introduction
Focus on STSE and “Are You Ready?”
Diagnostic Quiz  “Clickers”
Learning Goals: To explore green chemistry in a
quantitative approach. To perform, observe, and
communicate indirectly the quantitative salt content of
common foods.
Success Criteria: I can take part in a class discussion
regarding the quantitative aspects in green chemistry. I
can successfully answer 70% of the questions in the
diagnostic quiz. I can carry out a chemical test to
compare the salt content of common foods.
2
6.1 Qualitative and Quantitative Analysis
3
Learning Goals: To compare and classify between
qualitative and quantitative analysis.
Success Criteria: I can compare between qualitative
and quantitative analysis, and classify examples as
qualitative or quantitative analysis.
6.2 Explore an Issue in Chemical Quantities
4
Learning Goals: To explore the issue of using salt in
food items.
Success Criteria: I can identify and analyze the risks in
using salt and adding salt to various food items.
1.4 Average Atomic Mass
Learning Goals: To understand what atomic mass is
and to calculate the average atomic mass of elements.
Success Criteria: I can calculate the average atomic
mass of elements using the isotopic abundance.
5
6.3 The Mole – A Unit of Counting
6.4 Molar Mass
Learning Goals: To demonstrate an understanding of
the mole concept and its importance in Chemistry.
Success Criteria: I can show an understanding of the
mole concept by relating it to elements and chemical
reactions, and relating it to an amount of entities.
Read pages 254-255.
Reflect on Q. #1-4 on page 255.
Mini-Investigation: “Comparing Salty
Snacks”. Questions A-F p. 259.
HW: Read page 258.
Reflect on “Starting Points” #1-4.
Q. 1-15 on page 256-257.
Read pages 260-263.
Q. #1-6 page 263.
Read pages 264-265. Reflect on the
issues and analyze for possible
solutions.
HW: Read pages 25-29.
Q. #1 page 27.
Q. #1-10 page 29.
HW: Read pages 266-270.
Q. #1-6 page 270.
Read pages 271-277.
Q. #1-11 page 277.
SUCCESS
CRITERIA
LESSON
TEXT REFERENCE + LEARNING GOALS
6
6.5 Mass and Number of Entities
7
Learning Goals: To calculate quantities of entities
using the unit “mole”.
Success Criteria: I can use Avogadro’s Constant and
the unit “mole” to calculate quantities of atoms, ions,
molecules, and other items.
6.6 The Composition of Unknown Compounds
8
Learning Goals: To calculate the percentage
composition of substances by using lab data and chemical
formula.
Success Criteria: I can calculate the percentage
composition of substances using lab data and/or chemical
formula.
6.7 Empirical Formulas
6.9 Molecular Formulas
Learning Goals: To determine the chemical
composition (empirical and molecular formulas) of
substances using percentage composition.
Success Criteria: I can use calculations to determine
the empirical and molecular formulas of different
substances using percentage composition.
9
10
11
6.8 Chemistry JOURNAL
Learning Goals: To read a Chemistry Journal on “Drug
Contaminated Currency”, and to gain more knowledge on
Mass Spectroscopy.
Success Criteria: I have (more) knowledge about how
chemistry is used in the real world and how Mass
Spectroscopy is used to determine for an unknown
substance.
Hydrates
Learning Goals: To learn nomenclature of hydrates
and to calculate for the chemical formula of hydrates.
Success Criteria: I can name and write chemical
formulas of hydrates. I can also calculate for the
chemical formula of an unknown hydrate from lab data.
HW: Read pages 278-283.
Q. #1-9 page 283.
Investigation 6.6.1: “Popping
Percentage Composition”
HW: Read pages 284-288.
Q. #1-8 page 288.
HW: Read pages 289-293.
Q. #1-10 page 293.
HW: Read pages 296-300.
Q. #1-9 page 300.
HW: Read pages 294-295.
Q. #1-6 page 295.
LAB HANDOUT!
REFERENCE: Investigation 6.9.1
“Determining the Formula of a
Hydrate” page 304-305.
7.1 Stoichiometry: Mole Ratios in Chemical Equations
Learning Goals: To review balancing equations. To
make the connection between the coefficient in a
balanced chemical equation and The Law of Conservation
of Mass (LCM) as mole ratios.
Success Criteria: I can balance chemical equations
more efficiently. I can use the coefficients in the
balanced equation to verify the LCM, and to relate the
coefficients as mole ratios between substances in the
chemical equation.
12
DESCRIPTION + HOMEWORK
7.2 Mass Relationships in Chemical Equations (ie.
HW: Read pages 314-320
Q. #1-9 page 320.
SUCCESS
CRITERIA
LESSON
TEXT REFERENCE + LEARNING GOALS
DESCRIPTION + HOMEWORK
Mass-to-Mass Problems)
Learning Goals: To use Stoichiometry to calculate for
the mass of another substance in a balanced chemical
equation given the mass of one of the substances.
Success Criteria: I can calculate the mass of any
substance given the mass of another substance in a
balanced chemical equation using Stoichiometry.
13
7.3 Which Reagent Runs Out First?
7.4 Calculations Involving Limiting Reagents
Learning Goals: To understand what a limiting reagent
is and to determine the limiting reagent in a chemical
reaction. To calculate the mass of a product using
information of the limiting reagent.
Success Criteria: I can define and identify the limiting
reagent in a chemical reaction, and I can calculate the
mass of product from the limiting reagent using
Stoichiometry.
14
HW: Read pages 321- 324.
Q. #1-10 page 325.
HW: Read pages 326-329.
Q. #1-7 page 330.
HW: Read pages 331-334.
Q. #1-11 page 335.
7.5 Percentage Yield
Lab Handout: “Percentage Yield”
Learning Goals: To define and identify between
theoretical yield, experimental yield, and percentage
yield. As well, to calculate for the various yields in a
chemical reaction.
Success Criteria: I can differentiate between
theoretical yield, experimental yield, and percentage
yield. I can carry out Stoichiometric calculations to
determine for theoretical, experimental, and percentage
yields in a chemical reaction. I can also carry out an
experiment to determine the Percentage Yield of a
chemical reaction.
15
p. 307-312
p345-351
p. 354-362
16
HW: Read pages 336-338.
Q. #1-14 page 339.
Chapter 6 Self-Quiz Questions +
Review Questions
Chapter 7 Self-Quiz Questions +
Review Questions
** REVIEW Unit 3 **
*** TEST: UNIT 3 ***
SUCCESS
CRITERIA