General Chemistry I - CHEM 123

Pre-class Reading Assignment 

1

8/30 W (A)

Welcome, Distribute Lab Manual;
Online Resources;

Intro - Rings, Stars and Trees;

Atoms, Molecules and Element;

Copper and Water

 Beginning Survey

2

9/1 F

review syllabus; 

mixtures; solutions;

Physical methods in separation; Demos:  chromatography of pens,
bio molecules (Dextran, Hb, Ala - Demo);
acetone, H₂0, N₂

Chem. vs physical processes:  electrolysis

Introduction to Owl  -

Chapt 1:  Matter and Measurements (Due 9/3)

Only some of the questions are required.  You should do optional ones for practice.

3

9/5 TU

Laws of Matter; Avogadro's Hypothesis;

Dalton's Atomic Theory; Laws vs Theories;

Atomic Mass scale; The Divisible Atom:  cathode rays/demo; elephants and mosquitoes; e/m

Questions for end of Matter and Measurement

Handout on Dimensional Analysis - last page, turn in one per group

4

9/7 TH

Quiz. 

The Divisible Atom:  cathode rays/demo; elephants and mosquitoes; e/m

Millikan Oil Drop, calculation of e;
Plum-Pudding model;

Rutherford, nuclear atom; planetary model;

isotopes: Hydrogen and carbon;  weighted average;

Atomic Masses; first ionization energy – shells subshells;

Bonding: ionic bonds;

2:  Matter and elements (those required and due on 9/8

HW: Water Formula/Masses

5

9/11 M

Bonding: ionic, covalent, nonpolar covalent; FON and electronegativity;
Counting Electrons:  formal charge; partial charge; octet/duet rule;

Lewis Structures

Read:
Bonding

Ch 7:
243-58

HW:  Isotopes of chlorine;
Read naming compounds on your own.  Review the rules, do the problems; We will cover this only briefly in class.

6

9/13 W

Review Lewis Structures; Salts, Acids, Acid reactivity and Lewis structures;

Pushing electrons: Rx. Mechanisms;

polyatomic or molecular ions;

Ch 7:
243-58

2:  Matter and elements (those required and due on 9/13

Lewis Structure Worksheet

7

9/15 F

Review Lewis Struct; Mol. Ions from oxyacids;

Salts of molecular ions;

NH₄⁺; OH^-

Lewis Structure and:

- chem. reactivity

- solubility

Chapt 3 - the mole

sig figs; dimensional analysis

Chapt 10, pg 381-391;

Chapt 3,

pg 75-83; 

3:  MOLECULES, IONS, AND COMPOUNDS
those required and due on 9/15

Finish Lewis Structure sheets

Chapt 2 Problems Finished

Quiz:  Lewis Structure

8

9/19 TU

Quiz: Lewis Structure - Oxyacid

Balance Equations; Mass conservation; Simple Stochiometry; Excess/Limiting Reactants

Chapt 3,

pg 83-91

4:  CHEMICAL EQUATIONS AND STOICHIOMTERY
those required and due on 9/19

Quiz:  Lewis Structures and Rx Mech.

HW:  Moles from Mass and Volume

Examples of Stoichiometry:  1-4

9

9/21 TH

Review assignment: stoichiometry; % composition; empirical equations;  combustion analysis;

Molarity

Chapt 3

92-104

Stoichiometry problems 1;

Available from 8:30 am on.

10

9/25 M (B)

All Chapter 3

Empirical Equations/Element. Analy.; Key

Prelab 3;

Stoichiometry Problems 2 - solutions; Key

Key: PS3

11

9/28 Th

TEST 1 | 

STUDY GUIDE:  TEST 1: CHAPTERS 1-3

12

10/2 M

What's in the Beaker; Electrolytes; Precipitation Reactions; Molecular, Ionic, and Net Ionic Equations; Solubility Rules (See pg 120, 121; also OLSG)

Chapt 4

pg 116-125

none

13

10/4 W

Qz: MC from Test 1;
lab titrations of vinegar;

Acid/Base Rx.

Strong and Weak Acids and bases; conjugate acids/bases;

Mechanisms; Strengths; pKas; CO₂

Chapt 4

116-125

What's in the Beaker (handed out in class)

14

10/10 TU

Qz: ppt rx;

Acid/Base. Rx's;  Resonance;

;Start Redox reactions

Chapt 4

finish chapter

5:  REACTIONS IN AQUEOUS SOLUTION
those required and due on 10/10

Acid Strength worksheet

15

10/12 TH

Redox reactions;

Strength oxid agent/reducing agent (EN, Core Charge)

oxidation #;  balance redox eq. - acid

Chapt 4

finish chapter

5:  REACTIONS IN AQUEOUS SOLUTION
those required and due on 10/12

Challenge Problem: Ethanol, Acetic Acid and resonance

16

10/16 M

Balance redox equations base;
activity series
 

Intro to Quantum Chemistry:
Laws motion, force, fields; E and F;
Coulombs Law, Newton's Law of gravity; waves: λ, ν, c, amplitude; superposition; light as EM wave; 3 letter equations

5:  REACTIONS IN AQUEOUS SOLUTION
those required and due on 10/16

Name that Reaction;

17

10/18 W

superposition, diffraction, x-ray crystallography;

photoelectric effect; Force, Energy, and work; Gravitation/Electric force; element  absorption/emission spectra;

Balancing redox equation sheet; HCl04 problem - review Lewis structure, acids.

Problem Set 4;

18

10/20 F

Problem with planetary model:  discrete energies, radii, instability;

Rydberg Eq; Bohr Equation/1st quantized H atom; ΔE=Ephoton=hν calculations;

wave/particle duality: deBroglie relationship;   Bohr atom;

Forces, Energy, Work sheet

Bohr problem; Photoelectric Effect Problem;

19

10/24 TU (C)

Wave mechanics; Modified Bohr atom;

Schrodinger Equation;  Math Functions; quantum numbers;  Copenhagen Interpretation; Orbitals; Electron Configurations; 

7:  ATOMIC STRUCTURE
those required and due on 10/24

20

10/26 TH

Recent quantum experiments; Quantum quotes; Zeff; Periodic properties; Start Periodic Trends

7:  ATOMIC STRUCTURE
those required and due on 10/26

Answer Key: Problem Set 5

21

10/30 M

Periodic Trends; Energy Transitions: photoelectric effect, UV/Vis absorption/emission; ESR, NMR; ionic bonds; Lattice Energy, Born-Haber cycle; Rx;s

7:  ATOMIC STRUCTURE
those required and due on 10/30Periodic Trends

22

11/1 W

Rxs; Review

Study Guide:  Test 2

Answer Key: Problem Set 6

23

11/3 F

TEST 2

TEST 2 - chapt 4-6 (tentative)

24

11/7 TU

GP:  difficult test questions

Covalent Bond; Lewis Structures 2

Chapt 7, pg 

244-263 (review)

25

11/9 TH

Bond Energy, Quant Mechanical Explanation covalent bond; Trends in Bond Energies

Lewis Structures; VSEPR; Polarity, Dipoles

Lewis Structures 2

26

11/13 M

VSEPR, Electronegativity,

Hybridization, Molecular Orbital

Chapt 7; 271-284

9:  BONDING/MOL STRUCT
those required and due on 11/13

Electron Pair and Molecule Geometry,

Molecular Polarity

27

11/15 W

Qz: VSEPR

Molecular Orbitals

9:  BONDING/MOL STRUCT
those required and due on 11/15

In class activity - MOs

28

11/17 F (D)

Molecular Orbital Theory
Gas Laws: Boyle's, Charlie's, Avogadro's, Ideal
Kinetic Molecular Theory
Meaning of temperature; Review differences between empirical/theoretical, laws/theories

9:  BONDING/MOL STRUCT
those required and due on 11/17

10:  HYBRIDIZATION AND MOLECULAR ORBITALS
those required and due on 11/17

MO Handout (passed out in class) - Do Page 3

Chapt 9: 341-351;
 

29

11/21 TU

Energy, Energy Conservation, Internal Energy, State Functions. PV Work, ΔE = q + w.  Signs of q, W, E; Enthalpy, ΔH; First Law

10:  HYBRIDIZATION AND MOLECULAR ORBITALS
those required and due on 11/21

Chapt 7 Ans Key

30

11/28 TU

Review ΔH; Heat Capacity; Coffee Cup Calorimetry.

Chapt 8: 297-314

31

11/30 TH

Standard State,  Hess's Law,

Standard enthalpy formation

Calculation ΔH rx's from: calorimetry,  ΔH_f^o, bond energies

Chapt 8: 314-320

Worksheet: Calculation ΔH for combustion of glucose, hexane

32

12/4 M

Born/Haber Cycles; Review Chapt 7/8

Chapt 8 Ans Key

33

12/6 W

TEST 3

6:  Energy and chemical reactions
those required and due on 12/06
Study Guide:  Test 3

34

12/8 F

35

12/12 TU

Concept Inventory - Conceptual Question: Bridging the nanoscopic and macroscopic

36

12/14 TH

Bridging the symbolic and mathematical:

Equations to know and love

Final Review Concepts

Final Exam:  Wed, December 20.  11:00-1:00 pm.  (last day of finals).  Room - ASC 105

Note:  You will not be allowed to bring a graphing calculator into the final exam.  A regular calculator that can do scientific notation will be adequate.