DISCLAIMER: These handouts provide a “general” outline of the material with practice problems and answers. 
The instructor may present the material differently, so not all of the material in the handouts maybe covered by each instructor, and some instructors may cover material not on the handouts. In addition, instructors may present the content differently; if that occurs, always follow your instructor’s preferred content. Please review your lecture notes, slides, and online text, and compare them to the handouts to note appropriate topics to work through. The material for the introductory courses (103 and 104) is gradually uploaded during the semester; the material for the organic courses (343 and 345) is available all at once.
If you find an error or have a comment on the handouts feel free to reach out to Tony Jacob at atjacob@wisc.edu. Please direct chemistry questions to Piazza or your TA.
If you wish to provide feedback, there are links available for the organic resources all the time; for the introductory chemistry courses a link near the end of the semester will be provided. We always appreciate feedback so thank you in advance!
Here’s another useful tool: A semester calendar for spring 2023! That way you can add all your assignments for each class in the boxes using a different colored pen for each course.
This is an accordion element with a series of buttons that open and close related content panels.
Chemistry 103
Tony’s Help Sheets – Chemistry 103
Instructors may present content differently than in these resources;
if that occurs, always follow your instructor’s preferred content.
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| Intro to Chemistry Concepts | ||
| Help Sheet #1 Intro Terms, SI units, Unit Conversions, Sig Figs, Density, Periodic Table |
Flashcards #1 SI Units Print 2-sided for proper alignment |
Practice Sheet #1 SI Units Conversions with SI Units |
| Flashcards #2 Element Names and Symbols first 36 elements plus a few other common ones; print 2-sided for proper alignment |
Practice Sheet #2 Element Names and Symbols |
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| Atoms, Molecules, and Ions | ||
| Help Sheet #2 Atomic Structure Atomic Structure, Isotopes, Average Atomic Mass, Mass Spectroscopy, Ionic versus Molecular compounds, Naming/Writing Formulas, Polyatomic Ions, Coulomb’s Law |
Flashcards #3 Polyatomic Ions Formulas/Names Print 2-sided from Adobe Reader for proper alignment |
Practice Sheet #3 Monoatomic and Polyatomic Ions |
| Practice Sheet #4 Naming Compounds, Writing Formulas |
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| Chemical Reactions | ||
| Help Sheet #3 Reactions Balancing Rxns, Types of Rxns, Writing Rxns (molecular, complete ionic, net ionic rxns); Electrolytes; Solubility Rules; Redox: Assigning oxidation numbers; What’s oxidized, reduced, oxidizing agent, reducing agent; Metal activity series |
Flashcards #4 Acids and Bases/Names Print 2-sided from Adobe Reader for proper alignment |
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| Module 1 Practice Problems: Intro to Chem Concepts (SI units, D, terms, etc.) Module 2 Practice Problems: Atoms, molecules, and ions (atomic structure, isotopes, mass spec, etc.) Module 3 Practice Problems: Reactions (electrolytes, writing reactions, solubility, etc.) Sets of practice problems for these modules |
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| Stoichiometry | ||
| Help Sheet #4 Stoichiometry (Part I) Mole calculations, Molar mass, Converting between moles/grams/molecules, Mass percent, Empirical and Molecular formulas, Finding unknown metal M |
Help Sheet #5 Stoichiometry (Part II) Reactions and mol calculations, Limiting reagents, Percent yield, Empirical formulas from combustion |
Help Sheet #6 Stoichiometry (Part III) Molarity calculations, Dilution, Solution stoichiometry (titrations); Intro to energy |
| Gases | ||
| Help Sheet #7 Gases (Part I) Gas Laws, D and molar mass, STP, Stoichiometry with gases |
Help Sheet #8 Gases (Part II) Partial Pressure, Kinetic Theory of Gases, Root Mean Square Velocity, Diffusion and Effusion 3/8/23: Answer to Question 13 corrected. |
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| Module 4 Practice Problems: Stoichiometry and Energy (mol, mass%, empirical formula, limiting reagents, %yield, molarity, etc.) 3/8/23: Question 8 clarified. Module 5 Practice Problems: Gases (gas laws, stoichiometry, partial pressure, velocity, etc.) 3/5/23: Answer to Question 13 corrected. Module 6 Practice Problems: Thermochemistry (scaling, exo/endo, system/surroundings, etc.) Sets of practice problems for these modules |
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| Thermochemistry | ||
| Help Sheet #9 Thermochemistry (Part I) Terms; Work; Sign Conventions; Specific Heat Capacity; q = CmΔT; Heat Transfer; Enthalpy of a rxn, ΔHrxn° |
Help Sheet #10 Thermochemistry (Part II) Calorimetry; Phase Changes (ΔHvap°, ΔHfus°) and heating curves; Phase Change + Heat transfer; Hess’s Law; Heat of Formation (ΔHf°) |
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| Light, Matter, and Atomic Structure (Part I) | ||
| Help Sheet #11 Light, Matter, Atomic Structure Light equations; Electromagnetic spectrum; Photoelectric effect; Quantized system and Bohr Model; Energy Level Diagram; Electron Transitions; Duality principle; de Broglie Wavelength |
Help Sheet #12 Light, Matter, Atomic Structure (Part II) Quantum: Wavefunctions; Nodes; Quantum Numbers; Orbitals Shapes; Electron Configurations (only some of electron configuration is on Exam 3): Shorthand notation; Orbital Box Diagram; Charged Transition Elements; Number of unpaired electrons |
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Module 6 Practice Problems: Thermochemistry Module 7 Practice Problems: Light, Matter, and Atomic Structure Sets of practice problems for these modules |
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| More materials will be posted weekly. | ||
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Chemistry 104
Tony’s Help Sheets – Chemistry 104
Instructors may present content differently than in these resources;
if that occurs, always follow your instructor’s preferred content.
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| Help Sheet #1 Chem 103 Review Electronegativity, Lewis Dot Structures, Bond Polarity, VSEPR, Hybridization, Hybrid Orbitals used in a Bond, Intermolecular Forces, Higher Boiling Point, Solubility |
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| Organic Chemistry | ||
| Help Sheet #2 Organic (Part I) Drawing and Naming Molecules, Functional Groups (Part I) |
Practice Sheet #1 ID Functional Groups; Naming Molecules Organic: alkanes, alkenes, alkynes, cyclic, aromatic |
Help Sheet #3 Organic (Part II) Isomers: Constitutional (also called structural); Stereoisomers: Geometric, Optical |
| Practice Sheet #2 Isomers |
Help Sheet #4 Organic (Part III) Functional Groups (Part II); drawing and naming |
Practice Sheet #3 ID Functional Groups; Naming Molecules Organic: alcohols, ethers, aldehydes, ketones, carboxylic acids, esters, amides, amines |
| Flashcards #1 – ID Functional Groups Identifying Functional Groups Print 2-sided with Adobe Reader for proper alignment |
Help Sheet #5 Organic (Part IV) Reactions: Ester and amide formation, ester and amide hydrolysis; Complete hydrolysis |
Practice Sheet #4 Organic Reactions: Ester/amide condensation, ester/amide hydrolysis |
| Chemical Kinetics | ||
| Help Sheet #6 Kinetics (Part I) Average Rates; Initial Rates; Relative Rates; Rate Constant with Units; Evaluating a Rate Law: Initial Rates Method, Description |
Help Sheet #7 Kinetics (Part II) 2/21/23: Error on answer 9d corrected Evaluating a Rate Law: Integrated Rate Laws; Half Life and Half life graphs; Rate versus Concentration |
Help Sheet #8 Kinetics (Part III) Evaluating a Rate Law: Mechanisms; Reaction Coordinate Diagrams; Arrhenius Equation and Graphs |
| Practice Problems for Organic Practice Problems for Kinetics Sets of practice problems for these two modules |
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| Equilibrium | ||
| Help Sheet #9 Equilibrium (Part I) K Expression; Size of K; Kc versus Kp; Le Chatelier’s Principle; How K Changes as Reaction is Changed |
Help Sheet #10 Equilibrium (Part II) Equilibrium Calculations; Reaction Quotient: Q; Phase Diagrams |
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| Acids and Bases | ||
| Help Sheet #11 Acids and Bases (Part I) Definitions; Conjugate A/B; Amphiprotic; Ka, Kb; Strength of A/B and Their Conjugates; Which Way does an A/B Rxn Proceed; Acidity versus Structure |
Help Sheet #12 Acids and Bases (Part II) Autoionization; pH Equations; pH Calculations for SA, SB, WA, and WB; %Ionization; Ka, Kb, pKa, pKb; Which Way does an A/B Rxn Proceed (re-visited); Polyprotic Acids; Lewis acids/bases; Spectator Ions; Salts |
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| Aqueous Equilibria (Part I) | ||
| Help Sheet #13 Aqueous Equilibria (Part I): Buffers ID Buffers; pH of a Buffer; Find pH of Buffer After Adding SA/SB; Buffer Range; Buffer Capacity; Buffer Preparation 3/22/23: Order of content/questions changed slightly |
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| Practice Problems for Equilibrium 3/26/23: Question 1 and its answer corrected. Practice Problems for Acids & Bases Practice Problems for Aqueous Equilibria: Buffers Sets of practice problems for these three modules |
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| Aqueous Equilibria (Part II) | ||
| Help Sheet #14 Aqueous Equilibria (Part II): Titrations Titration Curves: Strong Acid+Strong Base, Strong Acid+Weak Base, Weak Acid+Strong Base; Equivalence Point; Halfway to Equivalence Point; Indicators; pH Calculations of Titrations; Polyprotic Acid Titrations |
Help Sheet #15 Aqueous Equilibria (Part III): Solubility Find Ksp from Solubility; Find Solubility from Ksp; Which Solid is More Soluble?; Common Ion Effect; pH and Solubility; Does a Ppt Form? |
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Chemistry 343
José’s Chemistry 343 Resources
Instructors may present content differently than in these resources;
if that occurs, always follow your instructor’s preferred content.
Chemistry 345
José’s Chemistry 345 Resources
Instructors may present content differently than in these resources;
if that occurs, always follow your instructor’s preferred content.