Quantities in Chemical Reaction Unit #2

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Quantities in Chemical Reactions Unit#3 - Study Guide***
This outline is a brief summary of the knowledge expectations for SCH3U. Students should do
sufficient practice problems to support the classroom lessons and prepare for quizzes/labs/tests.
Key Topics (Chapter 1, 6 & 7, Chemistry 11, Nelson)
1) Are You Ready? (p256 q1-15), review topics-metric conversions, SI units, significant digits,
percent, balanced chemical equations
2) Applications – unit minipresentations (see handouts) (6.1)
3) Isotopes, radioisotopes, average atomic mass calculations (1.4)
4) Mole Calculations - # of particles (atom, ion, molecule), mol/mass/molar mass (6.3, 6.4, 6.5)
5) Percent Composition by mass, Law of Definite Proportion, Empirical & Molecular Formula
(6.6, 6.7, 6.9)
6) Chemical Equation Stoichiometry - mole ratios, mass ratios (7.1, 7.2)
- limiting reagents, reagents in excess, theoretical yields, % yields (7.3, 7.4, 7.5)
Key terms – isotopes, rel. avg. atomic mass, Avogadro’s # (NA), mole (n), molar mass (Mm),
mass (m), molecular formula, empirical formula, Law of Conservation of Mass, Law of Definite
Proportion, % composition by mass, stoichiometric ratios, limiting reagent, reagent in excess,
theoretical yield, actual yield, % yield
Evaluations/Labs/Activities – How Big is Your Mouth or Equivalent activity (TI /5, W-1),
Quiz #1 – mass/mole/particle, % composition, EF, MF (TI /8, AP /5, W-1),
Quiz #2 – Stoichiometry, Limiting reagents & Theoretical yields (Ap /5, TI /5, W-1),
Lab #5 - % composition of a compound (see lab design rubric + 6.9.1 p304,CM, TI, W- 3),
Lab #6 – Mole Relationships in a Chemical Reaction (see lab design rubric + 7.4.1 p341, CM, TI, W- 3)
Unit Test #3 (K, TI, CM, AP, W-5)
Homework Assigned
Chapter 1.4 -Isotopes & Average Atomic Mass
Pg27 Q1, p 29 Q4,9, p 52 Q77, p51 Q 65,67-69, p140 Q58
Chapter 6 – Quantities in Chemical Formulas
Pg258#1-4, pg260#1-6, pg270#1,1-5,7, pg275#1, pg277#1,2,#4-11, pg280#1-4, pg282#1-3, pg283#1-9, pg286-287#1-3,
Pg288#1-8, pg292#1, pg293#2-9, pg298#1, pg300#2, pg300#2-7
Self Quiz p307, Q 1-3, 5-9, 13-15,17
Ch Rev p 308-312, Q 3-10,14,15,17-21,26-29,31-36,38-43,46-50,54-56,59-66,68-77
Chapter 7 - Chemical Equation Stoichiometry
Pg319#1-3, pg320#1-7,9, pg324#1-3, pg325#1-3,5-9, pg330#1-7, pg332#1-4,pg334#1-3,pg335#1-10, pg338#1,2,pg339#1-13
Self Quiz p 345, Q1,2,4-8,11,13,16-20
Ch Rev p 346-350, Q 1,2,4,6,7,9-14,16,20-22,26,33,38,39,42,44-46,48,55-63
Unit 3 Self Quiz p 354-355 Q1,3-10,12-16,20,21,25,26,29-32,33,35
Review p 356-361 Q1,3-8,10-16,20-22,25,28-31,34-41,44-48,51-57,59-61,63-66,74,76,77,79,81,82,88
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