Worked Chemistry Problem Examples

This is a collection of worked general chemistry and introductory chemistry problems, listed in alphabetical order. Included are printable pdf chemistry worksheets so you can practice problems and then check your answers. You may also browse chemistry problems according to the type of problem. Alphabetical Index of Chemistry Problem Types Absolute ErrorAccuracy ReviewAcid-Base TitrationActivation Energy CalculationAngle Between Two VectorsAqueous Solution DilutionsAtomic Mass OverviewAtomic Mass Isotopic AbundanceAtomic Mass from Atomic AbundanceAtomic Weight CalculationAverage of a Set of NumbersAvogadros LawAvogadros Gas LawAvogadros Number—Finding Mass of a Single AtomAvogadros Number—Mass of a Known Number of MoleculesAvogadros Number—Finding Number of Molecules in a Known MassBalancing Chemical Equations—TutorialBalancing Chemical Equations—ExampleBalancing Redox Reactions—Example and TutorialBalancing Redox Reactions in a Basic Solution—ExampleBalancing Redox Equations—TutorialBohr Atom Energy LevelsBohr Atom Energy ChangeBoiling Point ElevationBond Energies EnthalpiesBond PolarityBoyles LawBoyles Gas LawCalorimetry Heat FlowCarbon-14 DatingCelsius to Kelvin Temperature ConversionCharles Gas LawClausius-Clapeyron EquationConcentration and Molarity Determine a Concentration From A Known Mass of SoluteConcentration and Molarity—Preparing a Stock SolutionConcentration and Molarity—Finding Concentration of Ions in an Aqueous SolutionCovalent Bond ExamplesDaltons Law of Partial Pressuresde Broglie Wavelength CalculationDensity CalculationDensity of a Solid and a LiquidDensity Example Problem—Finding Mass From DensityDensity of an Ideal GasDiamagnetismDilutions from Stock SolutionsElectron ConfigurationElectron Volt to Joule ConversionElectronegativityEmpirical FormulaCalculate Empirical and Molecular Formula of a CompoundEnthalpy Change - Enthalpy Change of a ReactionEnthalpy Change - Enthalpy Change of a Reaction of a Given MassEnthalpy Change - Enthalpy Change of WaterEntropy CalculationEntropy ChangeEntropy of ReactionEquation of a LineEquilibrium ConstantEquilibrium Constant for Gaseous ReactionsEquilibrium ConcentrationExperimental ErrorFeet to Inches ConversionFree Energy and PressureFree Energy and Rea ction SpontaneityFormal Charge - Lewis Structure Resonance StructuresFreezing Point DepressionFrequency to Wavelength ConversionGrahams LawGram to Mole ConversionGuy-Lussacs Gas LawHalf-LifeHeats of FormationHenderson-Hasselbalch EquationHenrys LawHesss LawIdeal Gas Example ProblemIdeal Gas LawIdeal Gas—Constant PressureIdeal Gas—Constant VolumeIdeal Gas Example Problem—Partial PressureIdeal Gas Example Problem–Unknown GasIdeal Gas vs Real Gas—van der Waals EquationIonic Bond ExamplesIonic Bond from ElectronegativityIsotopes and Nuclear Symbols—Example 1Isotopes and Nuclear Symbols—Example 2Joule to Electron Volt ConversionLaw of Multiple ProportionsLength Conversion—Angstroms to MetersLength Conversion—Angstroms to NanometersLength Conversion—Centimeters to MetersLength Conversion—Feet to KilometersLength Conversion—Feet to MetersLength Conversion—Kilometers to MetersLength Conversion— Miles to KilometersLength Conversion—Millimeters to CentimetersLength Conversion—Millimeters to MetersLength Conversion—Micrometers to MetersLength Conversion—Nanometers to MetersLength Conversion—Nanometers to AngstromsLength Conversion—Yards to MetersDraw a Lewis StructureDraw a Lewis Structure—Octet Rule ExceptionLimiting Reactant Theoretical YieldMass Conversions—Kilograms to GramsMass Conversions—Pounds to KilogramsMass Conversions—Ounces to GramsMass—Energy Relations in Nuclear ReactionsMass of Liquid from DensityMass Percent CompositionMass Percent Composition—Example 2Mass Relations in Balanced EquationsMean of a Set of NumbersMean, Median, Mode and Range ExampleMolalityMolar MassMolarityMolarity to PPM ConversionMole—Gram ConversionsMole Relations in Balanced EquationsMoles of C Atoms in 1 Mol SucroseMolecular Formula from Simplest FormulaMolecular Mass CalculationsNernst EquationNeu tralizing a Base with an AcidNormalityOsmotic PressureOxidation and ReductionOxidation or Reduction?Assigning Oxidation StatesParamagnetismPercent Composition by MassPercent ErrorpH CalculationpH Calculation—Example 2pH of a Strong AcidpH of a Strong BasePhosphate Buffer PreparationpOH CalculationPolyprotic Acid pHPopulation Standard DeviationPrecision ReviewPredicting Formulas of Compounds with Polyatomic IonsPredicting Formulas of Ionic CompoundsPrepare a Solution (Molarity)Pressure Conversion - Pa to atmPressure Conversion—millibar to atmPressure Conversion—atm to PaPressure Conversion—bars to atmPressure Conversion—atm to barsPressure Conversion—psi to atmPressure Conversion—atm to psiPressure Conversion—psi to PaPressure Conversion—psi to millibarsPressure Conversion—atm to psiProtons Electrons in IonsProtons Electrons in Ions—Example 2Protons, Neutrons, and Electrons in Atoms/IonsRadioactive Decayâ €”Î ± DecayRadioactive Decay—Electron CaptureRadioactive Decay—Î ²- DecayRaoults Law—Example 1Raoults Law—Example 2Raoults Law—Example 3Rate of Radioactive DecayRates of ReactionReactions in Aqueous SolutionReaction QuotientRedox ReactionRelative ErrorRoot Mean Square Velocity of Ideal Gas MoleculesSample Standard DeviationScientific NotationSignificant FiguresSimplest Formula from Percent CompositionSolubility from Solubility ProductSolubility Product from SolubilityTemperature ConversionsTemperature Conversions—Kelvin to Celsius FahrenheitTemperature Conversions—Celsius to FahrenheitTemperature Conversions—Celsius to KelvinTemperature Conversions—Kelvin to CelsiusTemperature Conversions—Fahrenheit to CelsiusTemperature Conversions—Fahrenheit to KelvinTemperature That Fahrenheit Equals CelsiusTheoretical YieldTheoretical Yield #2Titration ConcentrationUncertaintyUnit Cancelling—English to Met ricUnit Cancelling—Metric to MetricUnit ConversionsUnit Conversion—What Is The Speed Of Light In Miles Per Hour?Vector Scalar ProductVolume Conversions—Cubic Centimeters to LitersVolume Conversions—Cubic Feet to Cubic InchesVolume Conversions—Cubic Feet to LitersVolume Conversions—Cubic Inches to Cubic CentimetersVolume Conversions—Cubic Inches to Cubic FeetVolume Conversions—Cubic Meters to Cubic FeetVolume Conversions—Cubic Meters to LitersVolume Conversions—Gallons to LitersVolume Conversions—Cubic Inches to LitersVolume Conversions—Fluid Ounces to MillilitersVolume Conversions—Liters to MillilitersVolume Conversions—Microliters to MillilitersVolume Conversions—Milliliters to LitersVolume PercentWavelength to Frequency Conversion Chemistry Worksheets (Pdf to Download or Print) Metric to English Conversions WorksheetMetric to English Conversions AnswersMetric to Metric Conversions WorksheetMetric to Metric Conversions AnswersTemperature Conversions WorksheetTemperature Conversions AnswersTemperature Conversions Worksheet #2Temperature Conversions Answers #2Moles to Grams Conversions WorksheetMoles to Grams Conversions AnswersFormula or Molar Mass WorksheetFormula or Molar Mass Worksheet AnswersPracticing Balancing Chemical Equations—WorksheetBalancing Chemical Equations—AnswersPracticing Balancing Chemical Equations—Worksheet #2Balancing Chemical Equations—Answers #2Practicing Balancing Chemical Equations—Worksheet #3Balancing Chemical Equations—Answers #3Common Acid Names Formulas—WorksheetAcid Names and Formulas—AnswersPractice Calculations with Moles—WorksheetMole Calculations—AnswersPractice Mole Relations in Balanced Equations—WorksheetMole Relations in Balanced Equationsâ₠¬â€AnswersGas LawsGas Laws AnswersGas Laws Answers—Shown WorkLimiting Reagent—WorksheetLimiting Reagent—AnswersCalculating Molarity—WorksheetCalculating Molarity—AnswersAcid Base pH—WorksheetAcid Base pH—AnswersElectron Configurations—WorksheetElectron Configurations—AnswersBalancing Redox Reactions—WorksheetBalancing Redox Reactions—Answers