General Chemistry Cheat Sheets are PDF files written to be your reference guide for the key terms, concepts, and equations that may get buried in the overwhelming amount of material. The notes are not simply equations and formulas as they are accompanied by brief explanations, strategies, and some problem-solving examples. These study guides are beautifully crafted, powerful extract of information as a final touch before the test. General chemistry study guides will also help you prepare for AP, MCAT, PCAT, DAT, ACS, and other tests. The notes cover most of the chapters you will see in a typical undergraduate course. If purchased the bundle, you will receive the new guides as an e-mail as soon as they are published.
What is Included in Each Set?
General Chemistry Summary Guides Include
1. Significant Figures – 2 Pages
A summary study guide on understanding and counting significant figures. Rounding off to the correct number of significant figures, the rules for using significant figures in mathematical operations such as addition/subtraction and multiplication/division. The rules for significant figures expressed in scientific notation.
2. Atoms, Molecules, and Ions – 6 Pages
Atomic Structure, The Periodic Table, Names of Ions, Metals That Form Cations with Different Charges, Formulas and Names of Common Polyatomic Ions, Binary Compounds, Monoatomic Ions, Polyatomic Ions, Naming Ionic Compounds, Naming Hydrates, Naming Acids, Naming Bases, Formula from the Name. Worksheets on atomic particles, naming compounds, and writing formulas.
3. Mass, Mole, and Stoichiometry – 4 Pages
Atomic and Molecular Mass, Mole and Molar Mass, Calculating Moles from the Mass, Number of Atoms From Moles, Number of Atoms From the Mass, Number of Atoms in a Molecule, Percent Composition, Empirical Formula, Determining the Empirical and Molecular Formulas, Chemical Reactions and Chemical Equations, Balancing Chemical Equations, Indicating the States of Reactants and Products, Reaction Stoichiometry, Mass Calculations using Reaction Stoichiometry, Limiting Reactant/Reagent, Percent Yield
4. Reactions in Aqueous Solutions – 5 Pages
Solutions, The Solubility of Ionic Compounds, Electrolytes, and Nonelectrolytes, How to Write Dissociation Equations, Predicting the Products of a Reaction, Molecular, Ionic, and Net Ionic Equations, Solution Concentration, Concentration of Ions, Dilution, Stoichiometry of Reactions in Aqueous Solutions, Definitions of Acids and Bases, Acid–Base Titrations, Oxidation States, Rules for Assigning Oxidation Numbers, Determining Oxidation States, Oxidation-Reduction (Redox) Reactions, Balancing Redox Equations in Acidic and Basic Solutions
5. Gases – 2 Pages
Pressure, Pressure units, Gas Laws, Ideal Gas Law, Combined Gal Law and strategies to solve gas problems, Density and Molar mass of gases, Diffusion, Effusion, and Graham’ law for effusion and molar mass, Real Gases and the Van der Waals equation.
6. Thermochemistry – 2 Pages
Key Terms and Concepts in Thermochemistry, system, surroundings, internal energy, and its relation to heat and work, state functions, Enthalpy, exothermic and endothermic reactions, and their application in calculating the heat of reaction, Hess’s law, Heat Capacity, and Specific Heat, Specific heat capacity, Calorimetry, reactions under constant pressure, Bomb calorimetry, reaction when the volume is constant, Standard Enthalpies, Enthalpy of Reaction from Standard Enthalpies, Chemical Equations and Hrxn, Hess’s Law, Strategies an Examples of Problem-solving in Thermochemistry.
7. The Quantum-Mechanical Model of the Atom – 4 Pages
A summary study guide covering the key concept of the structure of atom such as the Bohr’s model of the hydrogen atom, the Photoelectric Effect, Electron Configurations, Quantum Numbers, Aufbaus’ Principle, Pailis’ Exclusion Principle, and HInd’s Rule with some worked examples.
8. VSEPR Theory – 2 Pages
VSEPR (valence shell electron pair repulsion) theory predicts the geometry of atoms and molecules. In this study guide, you will find the cleanest strategy and graphics for predicting the main electron and molecular geometries.
Get all the geometries, hybridizations, and bond angles in one place!
9. Colligative Properties – 2 Pages
Colligative (collective) properties – vapor pressure lowering, boiling point elevation (Tb), freezing point depression (Tf), and osmotic pressure (∏) together with example problems are summarized in this study guide
10. Chemical Kinetics – 5 Pages
Reaction Rate, Average Rate, Instantaneous Rate, Differential rate laws for the relationship of reaction and rate and concentration, Integrated Rate Laws for the relationship of concentration and time, Determining the rate laws using the initial rate method and graphing the data from integrated rate laws, Reaction Mechanism, Energy Diagram, Elementary Steps, Rate-Determining Step, Activation Energy, Catalysis, The Arrhenius Equation and some strategies and examples for problem-solving.
11. Chemical Equilibrium – 4 Pages
Reversible Reactions, Dynamic Equilibrium, Homogeneous and Heterogeneous equilibria, Equilibrium Constant (K), Key Facts About K, Equilibrium Constant and the Chemical Equation, Equilibrium Constants in Terms of Pressure, Kp, K for Heterogeneous Equilibria, The Direction of Reaction and Quotient (Q), ICE Tables, Le Châtelier’s Principle, How the equilibrium is affected when; the Concentrations are changed, The Pressure is changed, The Temperature is changed.
12. Thermodynamics – 5 Pages
Spontaneous and Nonspontaneous Processes, Thermodynamics vs Kinetics, Entropy and Spontaneity, Gibbs Free Energy, Correlating ΔG with ΔH and ΔS; how to determine if the reaction is spontaneous or not based on the enthalpy and entropy change, what role does temperature play in this, Predicting Entropy Change, Standard Entropy Change, Standard Free-Energy Changes, Free Energy change and the Hess’s Law, ΔG of a Reaction under Nonstandard Conditions, Relationship between ΔGo and Equilibrium Constant, The Temperature Dependence of K, Strategies, and Examples of Problem-solving in Thermodynamics
13. Acids and Bases – 7 Pages
Acid-Base theories, Strong and Weak Acids, Acid Strength and pKa, Factors that Affect the Acid Strength, Dissociation of Water, The pH Scale, Calculating the pH of a Strong Acid, The pOH Scale, Calculating the pH of Weak Acids, Weak Bases, and Base Ionization Constants, Calculating the pH of Weak Bases, Calculating the pH of Polyprotic Acids, Relationship Between Ka and Kb, Calculating the pH of Salts, Salts That Yield Acidic Solutions, Salts That Yield Basic Solutions, Salts That Contain Acidic Cations and Basic Anions, Buffer Solutions, How to Calculate the pH of a Buffer, The Common Ion Effect, The Henderson–Hasselbalch Equation, How to Prepare a Buffer with a Certain pH, Correlation of pKa and pH
14. Acid-Base Titrations and Titration Curves – 4 Pages
This study guide summarizes the key concepts of acid-base titrations, and titrations curves, for strong and weak acid-base pairs. Calculating the pH at different stages of the titration, equivalence point, half the equivalence point, the correlation of the pH and pKa, and the features specific to each type of titration.
15. Solubility Equilibria and Ksp – 3 Pages
The solubility product constant (Ksp), molar solubility, calculating solubility from Ksp and vice versa. The common ion effect, and the effect of pH on solubility with examples. How to determine if there will be a precipitate forming with a given concentration of ions.
16. Nuclear Chemistry – 3 Pages
Review of Atomic Structure, Radioactivity and Nuclear Reactions, Transmutation, Alpha decay, Beta decay, Gamma radiation, Balancing Nuclear Equations, Positron Emission and Electron Capture, Nuclear Stability, Neutron to Proton Ratio and determining the type of nuclear reaction based on the band of stability, Magic Numbers, Rates of Radioactive Decay and Radiocarbon Dating, Energy Changes in Nuclear Reactions – why nuclear reactions are enormously exothermic, Nuclear Fission and Nuclear Fusion, Mass Defect and Nuclear Binding Energy with example calculations.
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General Chemistry 1 and 2 Study Guides
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