Worked Chemistry Problems

This is a collection of worked general chemistry and introductory chemistry problems, listed in alphabetical order. I have included printable pdf chemistry worksheets so you can practice problems and then check your answers.

Alphabetical Index of Problem Types

• Accuracy Review
• Acid-Base Titration
• Angle Between Two Vectors
• Aqueous Solution Dilutions
• Atomic Mass & Isotopic Abundance
• Atomic Mass from Atomic Abundance
• Atomic Weight Calculation
• Average of a Set of Numbers
• 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 Chemical Equations - Example
• Balancing Redox Equations - Tutorial
• Bond Energies & Enthalpies
• Boyle's Law
• Boyle's Law - Example #2
• Calorimetry & Heat Flow
• Carbon-14 Dating
• Celsius to Kelvin Temperature Conversion
• Charles' Law
• 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
• Diamagnetism
• Dilutions from Stock Solutions
• Electron Configuration
• Empirical Formula
• Enthalpy Change - Enthalpy Change of a Reaction
• Enthalpy Change - Enthalpy Change of a Reaction of a Given Mass
• Enthalpy Change - Enthalpy Change of Water
• Experimental Error
• Heats of Formation
• Henderson-Hasselbalch Equation
• 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 of Liquid from Density
• Mass Percent Composition
• Mass Percent Composition Example #2
• Mass Relations in Balanced Equations
• Mean of a Set of Numbers
• Molality
• Molar Mass
• Molarity
• Mole - Gram Conversions
• Mole Relations in Balanced Equations
• Molecular Formula from Simplest Formula
• Molecular Mass Calculations
• Nernst Equation
• Neutralizing a Base with an Acid
• Normality
• Paramagnetism
• Percent Compostion by Mass
• pH Calculation
• pH Calculation - Example #2
• pH of a Strong Acid
• pH of a Strong Base
• pH of a Weak Acid
• Phosphate Buffer Preparation
• pOH Calculation
• Precision Review
• Predicting Formulas of Compounds with Polyatomic Ions
• Predicting Formulas of Ionic Compounds
• Prepare a Solution (Molarity)
• Pressure Conversion - kPa to mm Hg
• Pressure Conversion - mm Hg to kPa
• Protons & Electrons in Ions
• Rate of Radioactive Decay
• Reactions in Aqueous Solution
• Scientific Notation
• Significant Figures
• Simplest Formula from Percent Composition
• Temperature Conversions
• Temperature Conversions - Kelvin to Celsius & Fahrenheit
• Titration Concentration
• Uncertainty
• Unit Cancelling - English to Metric
• Unit Cancelling - Metric to Metric
• Unit Conversions
• Vector Scalar Product

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

Recent Chemistry Features