Chemistry 102 Virtual Laboratories

The Determination of a Chemical Formula

Use experimental data to determine the empirical formula of a compound.

30-45 minutes

The Determination of the Percent Water in a Compound

Measure water content in hydrated salts using heating and weighing techniques.

30-45 minutes

The Molar Mass of a Volatile Liquid

Use the Dumas method to determine molecular weight through vapor density measurements.

30-45 minutes

Using Freezing-Point Depression to Find Molecular Weight

Determine molar mass by measuring how solutes lower freezing points.

30-45 minutes

The Molar Volume of a Gas

Determine the volume occupied by one mole of gas at standard temperature and pressure.

30-45 minutes

Standardizing a Solution of Sodium Hydroxide

Prepare and standardize NaOH solution using primary standard potassium hydrogen phthalate.

30-45 minutes

Acid-Base Titration

Determine unknown acid or base concentrations through neutralization reactions.

30-45 minutes

An Oxidation-Reduction Titration: The Reaction of Fe2+ and Ce4+

Use redox titration to determine iron concentration using cerium(IV) as titrant.

30-45 minutes

Determining the Mole Ratios in a Chemical Reaction

Use stoichiometric methods to find reactant ratios in chemical equations.

30-45 minutes

The Determination of an Equilibrium Constant

Measure concentrations at equilibrium to calculate Kc for chemical systems.

30-45 minutes

Investigating Indicators

Study pH indicators and their color changes at different hydrogen ion concentrations.

30-45 minutes

The Decomposition of Hydrogen Peroxide

Study catalyst effects and measure reaction rates of H₂O₂ breakdown.

30-45 minutes

Determining the Enthalpy of a Chemical Reaction

Use calorimetry to measure heat changes in chemical reactions.

30-45 minutes

Separation and Qualitative Analysis of Cations

Use selective precipitation and chemical tests to identify metal ions.

30-45 minutes

Separation and Qualitative Analysis of Anions

Identify negative ions through characteristic chemical reactions.

30-45 minutes

The Synthesis of Alum

Prepare potassium aluminum sulfate dodecahydrate from aluminum metal.

30-45 minutes

The Analysis of Alum

Verify alum composition through gravimetric and other analytical techniques.

30-45 minutes

Conductimetric Titration and Gravimetric Determination of a Precipitate

Combine conductivity measurements with precipitate weighing for quantitative analysis.

30-45 minutes

Determining the Concentration of a Solution: Beer's Law

Use spectrophotometry to determine unknown concentrations from absorbance measurements.

30-45 minutes

Liquid Chromatography

Separate mixture components based on differential partitioning between mobile and stationary phases.

30-45 minutes

Buffers

Prepare and test buffer solutions and measure their resistance to pH changes.

30-45 minutes

Electrochemistry: Voltaic Cells

Construct galvanic cells and measure their voltage to study redox potentials.

30-45 minutes

Electroplating

Use electrolysis to deposit metal coatings on conductive surfaces.

30-45 minutes

The Synthesis and Analysis of Aspirin

Prepare acetylsalicylic acid and assess purity through melting point and titration.

30-45 minutes

Determining the Ksp of Calcium Hydroxide

Calculate the solubility product constant for calcium hydroxide through titration.

30-45 minutes

Determining Ka by the Half-Titration of a Weak Acid

Calculate acid dissociation constant at the half-equivalence point of a titration.

30-45 minutes

The Rate and Order of a Chemical Reaction

Determine reaction order and rate constant through concentration-time studies.

30-45 minutes

The Enthalpy of Neutralization of Phosphoric Acid

Measure heat released when phosphoric acid is neutralized by a strong base.

30-45 minutes

α, β, and γ

Study properties of different types of nuclear radiation and their interactions with matter.

30-45 minutes

Radiation Shielding

Test effectiveness of different materials in blocking various types of radiation.

30-45 minutes

The Base Hydrolysis of Ethyl Acetate

Study saponification kinetics of ethyl acetate with sodium hydroxide.

30-45 minutes

Exploring the Properties of Gases

Investigate gas laws and relationships between pressure, volume, and temperature.

30-45 minutes

Determining Avogadro's Number

Calculate Avogadro's number through electrolysis or monolayer techniques.

30-45 minutes

Potentiometric Titration of Hydrogen Peroxide

Use electrode potential measurements to determine hydrogen peroxide concentration.

30-45 minutes

Determining the Half-Life of an Isotope

Measure radioactive decay to calculate the half-life of a radioisotope.

30-45 minutes

Vapor Pressure and Heat of Vaporization

Measure vapor pressure at different temperatures to calculate enthalpy of vaporization.

30-45 minutes

Rate Determination and Activation Energy

Study temperature effects on reaction rates to calculate activation energy.

30-45 minutes