This is a collection of worked general chemistry and introductory chemistry problems. I've ordered them two ways. The first list is in alphabetical order. The second list presents the problems in approximately the same order as you might find them in a chemistry text. I have included printable pdf chemistry worksheets so you can practice problems and then check your answers.
Alphabetical Index of Problem Types
- Aqueous Solution Dilutions
- Atomic Mass & Isotopic Abundance
- Atomic Mass from Atomic Abunance
- Avogadro's Number - Finding Mass of a Single Atom
- Avogadro's Number - Mass of a Known Number of Molecules
- Avogadro's Number - Finding Number of Molecules in a Known Mass
- Balancing Chemical Equations - Tutorial
- Balancing Redox Equations - Tutorial
- Bond Energies & Enthalpies
- Boyle's Law
- Calorimetry & Heat Flow
- Carbon-14 Dating
- Concentration and Molarity - Determine a Concentration From A Known Mass of Solute
- Concentration and Molarity - Preparing a Stock Solution
- Concentration and Molarity - Finding Concentration of Ions in an Aqueous Solution
- Electron Configuration
- Empirical Formula
- Enthalpy Change
- Heats of Formation
- Ideal Gas Example Problem
- Ideal Gas Law
- Ideal Gas - Constant Pressure
- Ideal Gas - Constant Temperature
- Ideal Gas - Constant Volume
- Ideal Gas Example Problem - Partial Pressure
- Ideal Gas Example Problem - Unknown Gas
- Isotopes and Nuclear Symbols
- Law of Multiple Proportions
- Limiting Reactant & Theoretical Yield
- Mass - Energy Relations in Nuclear Reactions
- Mass Percent Composition
- Mass Relations in Balanced Equations
- Molality
- Molarity
- Mole - Gram Conversions
- Mole Relations in Balanced Equations
- Molecular Formula from Simplest Formula
- Molecular Mass Calculations
- Neutralizing a Base with an Acid
- Percent Compostion by Mass
- pH Calculation
- pH of a Strong Acid
- pH of a Strong Base
- pH of a Weak Acid
- Predicting Formulas of Compounds with Polyatomic Ions
- Predicting Formulas of Ionic Compounds
- Pressure Conversions
- Protons & Electrons in Ions
- Rate of Radioactive Decay
- Reactions in Aqueous Solution
- Scientific Notation
- Significant Figures / Uncertainty
- Simplest Formula from Percent Composition
- Temperature Conversions
- Titration Concentration
- Unit Cancelling - English to Metric
- Unit Cancelling - Metric to Metric
- Unit Conversions
Index of Problem Types - Ordered as in a Text
- Scientific Notation
- Temperature Conversions
- Pressure Conversions
- Significant Figures / Uncertainty
- Unit Cancelling - Metric to Metric
- Unit Cancelling - English to Metric
- Unit Conversions
- Law of Multiple Proportions
- Isotopes and Nuclear Symbols
- Protons & Electrons in Ions
- Atomic Mass & Isotopic Abundance
- Atomic Mass from Atomic Abunance
- Molecular Mass Calculations
- Avogadro's Number - Finding Mass of a Single Atom
- Avogadro's Number - Mass of a Known Number of Molecules
- Avogadro's Number - Finding Number of Molecules in a Known Mass
- Mole - Gram Conversions
- Electron Configuration
- Mass Percent Composition
- Percent Compostion by Mass
- Empirical Formula
- Simplest Formula from Percent Composition
- Molecular Formula from Simplest Formula
- Predicting Formulas of Ionic Compounds
- Predicting Formulas of Compounds with Polyatomic Ions
- Balancing Chemical Equations - Tutorial
- Mole Relations in Balanced Equations
- Mass Relations in Balanced Equations
- Limiting Reactant & Theoretical Yield
- Concentration and Molarity - Determine a Concentration From A Known Mass of Solute
- Concentration and Molarity - Preparing a Stock Solution
- Concentration and Molarity - Finding Concentration of Ions in an Aqueous Solution
- Molarity
- Molality
- Aqueous Solution Dilutions
- Reactions in Aqueous Solution
- Calculating pH
- Calculating pH of a Strong Acid
- Calculating pH of a Strong Base
- Calculating pH of a Weak Acid
- Neutralizing a Base with an Acid
- Titration Concentration
- Balancing Redox Equations - Tutorial
- Enthalpy Change
- Heats of Formation
- Bond Energies & Enthalpies
- Calorimetry & Heat Flow
- Ideal Gas Law
- Ideal Gas
- Ideal Gas - Constant Pressure
- Ideal Gas - Constant Temperature
- Ideal Gas - Constant Volume
- Ideal Gas Example Problem - Partial Pressure
- Ideal Gas Example Problem - Unknown Gas
- Boyle's Law
- Carbon-14 Dating
- Rate of Radioactive Decay
- Mass - Energy Relations in Nuclear Reactions
Chemistry Worksheets (pdf to download or print)
- Metric to English Conversions Worksheet
- Metric to English Conversions Answers
- Metric to Metric Conversions Worksheet
- Metric to Metric Conversions Answers
- Temperature Conversions Worksheet
- Temperature Conversions Answers
- Moles to Grams Conversions Worksheet
- Moles to Grams Conversions Answers
- Formula or Molar Mass Worksheet
- Formula or Molar Mass Worksheet Answers
- Practicing Balancing Chemical Equations - Worksheet
- Balancing Chemical Equations - Answers
- Practicing Balancing Chemical Equations - Worksheet #2
- Balancing Chemical Equations - Answers #2
- Practicing Balancing Chemical Equations - Worksheet #3
- Balancing Chemical Equations - Answers #3
- Common Acid Names & Formulas - Worksheet
- Acid Names and Formulas - Answers
- Practice Calculations with Moles - Worksheet
- Mole Calculations - Answers
- Practice Mole Relations in Balanced Equations - Worksheet
- Mole Relations in Balanced Equations - Answers
- Gas Laws
- Gas Laws Answers
- Gas Laws Answers - Shown Work
- Limiting Reagent - Worksheet
- Limiting Reagent - Answers
- Calculating Molarity - Worksheet
- Calculating Molarity - Answers
- Acid & Base pH - Worksheet
- Acid & Base pH - Answers
- Electron Configurations - Worksheet
- Electron Configurations - Answers
- Balancing Redox Reactions - Worksheet
- Balancing Redox Reactions - Answers
By Anne Marie Helmenstine, Ph.D., About.com
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