Download Exam 1 Format and Review

Chemistry 1A Exam 1: Chapters 1-4
Main Focus: Chapters 2-4
The following provides a GENERAL overview of the topics covered on our first lecture
exam. Not all of the topics listed are guaranteed to appear on the exam. Also, some
topics not listed may be included
The exam will focus on the (1) key course concepts, (2) lecture notes, (3) online
homework assignments, and (4) additional recommended text problems (in syllabus).
The exam will test not only your problem solving skills, but also your conceptual
understanding of the material and your ability to integrate concepts.
Questions on the exam will be in the format of multiple choice, short answer, fill-in, and
numerical problems. You DO NOT need a SCANTRON. You do need to bring a
calculator and pen or pencil.
You will be provided with the Periodic Table, Solubility Guidelines and the Activity
Series. Any conversion factors between metric and English units that you may need
will also be provided.
You MUST ARRIVE ON TIME. The exam will be passed out promptly at the beginning of
class and conclude at 1 hour and 15 minutes later. The exam time will not be extended
for those who arrive late.
Chapter 1
This chapter should have been mostly review for you of topics studied in a prerequisite course. You will
be required to report numerical answers to the correct number of significant figures, but there will not be
any questions directed solely on significant figures. Some topics were covered already on lab quizzes, so
will not be covered in detail for the lecture exam.
Topic List:
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Matter-classification and properties
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Heat (extensive) and temperature (intensive)
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Heat transfer-Kinetic Molecular Theory
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Metric System-A must that you are able to convert between common metric prefixes (pico to Mega is
recommended)
•
Dimensional Analysis-An essential skill for further success in chemistry! This skill will be required as part
of numerical problems related to topics in chapters 2-4.
Chapter 2
This chapter should also have been mostly review for you of topics studied in a prerequisite course. We
will not focus on the historical time-line of the discovery of atomic structure, but be familiar with the
contributions of various people and their discoveries (see text and class notes).
Topic List:
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Dalton’s Atomic Theory
•
Atomic Structure-Nuclear atom, protons, neutrons, electrons, isotopic notation
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Mass Spectra-Isotopes, analysis of mass spectra
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Atomic mass calculations using isotopic masses and percent abundances
•
Periodic Table-Groups, periods, metals, nonmetals, alkali metals, halogens, noble gases, transition
metals
•
•
Formulas-Empirical, molecular, condensed structural, structural
Organic nomenclature and structure-Hydrocarbons, alkanes (know methane, ethane and propane),
alcohols (know alcohol functional group, methanol, ethanol and propanol), carboxylic acid functional
group (know the condensed structural and structural formula)
Inorganic nomenclature-An essential skill! There will NOT be questions solely about nomenclature of
inorganic compounds. However, you may need to write a formula from a name in the context of problems
from chapters 3 and/or 4. Also, the ability to write correct formulas is essential for predicting products of
chemical reactions, a topic covered in both chapters 3 and 4.
•
Chapter 3
Many of the topics in this chapter should have been somewhat familiar to you from a prerequisite course.
In chemistry 1A we review, refine and expand upon topics and skills covered in an introductory class.
Topic List:
•
Chemical equations-Balancing
•
Types of reactions-combination, decomposition and combustion (Refer to class notes for what is
expected.)
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Formula weights and molar masses
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Molar mass, Avogadro’s Number and the mole-Conversions between mass, moles and numbers
•
•
Percent composition of compounds-calculated from formula, mass data or combustion analysis data
Determination of empirical and molecular formulas from mass data, percent composition or combustion
analysis data
Stoichiometric calculations-Calculating amounts, in grams or moles, of reactants and products for a
reaction. Limiting reactant calculations, theoretical yield and percent yield.
•
Chapter 4
A few of the topics in this chapter should have been somewhat familiar to you from a prerequisite course.
In chemistry 1A we review, refine and expand upon topics and skills covered in an introductory class.
Topic List:
•
Aqueous solutions-Electrolytic properties (strong electrolytes, weak electrolytes and nonelectrolytes)
•
Acids and bases-definitions, strong and weak acids and bases, ionization reactions of acids (weak and
strong) and of weak bases (ammonia) in water
•
Recognizing types of compounds from their formulas: acids, bases, ionic compounds, molecular
compounds
•
Types of reactions-Recognizing and predicting products of precipitation, acid-base, acid-base with gas,
and redox (single replacement) reactions
You will be given the Solubility Guidelines and the Activity Series to refer to during the exam. You
must know the definition of oxidation and reduction and be able to assign oxidation numbers to
elements and to binary ionic compounds. Our main focus will be on predicting if a reaction will occur
or not and then writing the molecular (complete) equation for reactions.
•
Net ionic equations-There will NOT be a strong focus on net ionic equations, but expect to be asked to do
a limited number of “simple” net ionic equations. We have a lab quiz that covers net-ionic equations
in detail.
•
Molarity-Calculating molarity of a solution; converting between molarity, moles and volume; dilution
calculations
Solution stoichiometric and chemical analysis calculations-In this chapter we expand upon the
stoichiometric calculations we studied in chapter 3 by adding the concepts of molarity and volume.
Limiting reactant calculations, theoretical yield and percent yield are included. Refer to class notes and
homework problems for examples.
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