Resource Type: Autograded Virtual Labs

• Stoichiometry

  The Mole, Molarity, and Density

  • Creating a Stock Solution

    In this activity, students use the virtual lab to create dilute solutions from a concentrated stock solution of acids or bases. They must first calculate the correct volumes of concentrated acid solution and water…

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  • Metals Density Problem

    In this activity, students use the virtual lab to identify 3 unknown metals by measuring their density and comparing their measurements to the densities of known metals. In this randomized version, each student…

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  Reaction Stoichiometry and Limiting Reagents

  • Determining Reactants and Products in a Solution of DNA

    In this limiting reagents problem, students are given random volumes and concentrations of DNA solutions and are asked to predict what will remain after a reaction has occurred. Students can check their prediction…

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  • Determine the Concentration of Unknown Silver Nitrate Solution

    In this limiting reagents problem, students are asked to determine the amount of silver nitrate dissolved in a solution by performing a reaction with solid NaCl. In this randomized activity, each student is given…

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  • Chemical Remediation of Arsenic

    In this problem, students determine the limiting reagent in a reaction involving the remediation of arsenic from drinking water.

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  • Determining Stoichiometric Coefficients

    Students use the virtual lab to determine how 4 unknown substances react with each other including their stoichiometric coefficients. In this randomized activity, each student receives a different reaction and…

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  Empirical Formula and Mixtures

  • Mineral Composition

    In this randomized calculation activity, students calculate the empirical formula of a compound given its elemental analysis. Step-by-step support and feedback is provided for students who need additional help.

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  • Composition Determination of a Mixture

    In this activity, students calculate the percent composition of a mixture of two arsenic-containing minerals. Step-by-step support and feedback is provided for students who need additional help.

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  Gravimetric Analysis

  • Determine the Concentration of Unknown Silver Nitrate Solution

    In this limiting reagents problem, students are asked to determine the amount of silver nitrate dissolved in a solution by performing a reaction with solid NaCl. In this randomized activity, each student is given…

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• Thermochemistry

  Energy and Enthalpy

  • Coffee Problem  

    In this activity, students use knowledge of specific heat capacity to mix together hot coffee and cold milk to create a solution of coffee at a desired temperature. In this randomized problem, each student is given…

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  • Camping Problem

    Measure the enthalpy of a reaction and then create a solution warm enough to cook food.

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  • Hot/Cold Pack Problem - Part 1

    Determine the heat of solution for various salts.

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  • Hot/Cold Pack Problem - Part 2

    Based on information from Part 1 of the Hot/Cold Pack Problem, design a hot/cold pack.

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• Equilibrium

  Common Ion Effect

  • Solubility and the Common Ion Effect

    Determine the concentration of an unknown NaCl solution using the common ion effect.

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  • Metal Ligand Binding

    Use silver chloride to determine the binding constant for a metal ligand complex.

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• Acid-Base Chemistry

  Strong Acids and Bases

  • Determine the Concentration of the Unknown Strong Acid

    Perform a titration using an indicator to determine the concentration of an HCl solution.

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  Weak Acids and Bases

  • Unknown Weak Acid Problem

    Perform an experiment to determine the pKa and concentration of an unknown acid.

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  • Unknown Weak Acid Problem - Bonus

    Perform an experiment to determine the concentrations of a mixture of two acids.

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  • Unknown Base Problem

    Perform an experiment to determine the pKa and concentration of an unknown weak base.

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  • Determine the Identity of an Unknown Solid Weak Acid

    Perform an experiment to determine the molar mass and pKa of an unknown solid acid.

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  Buffer Solutions

  • Designing a buffer solution with a specific pH

    Create a buffer solution at a specific pH using a weak acid and its conjugate base.

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  Acid/Base Titrations

  • Determine the Concentration of HCl using a Standardized NaOH Solution

    Perform a titration to determine the concentration of an unknown HCl solution using a standardized solution of NaOH and KHP. (Adapted from a prelab exercise used at the University of British Columbia)

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  • Determine the Identity of an Unknown Solid Weak Acid

    Perform an experiment to determine the molar mass and pKa of an unknown solid acid.

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  • Determine the unknown weak acid (HTML5 Beta)

    This is a beta activity to determine the unknown weak acid

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• Analytical Chemistry/Lab Techniques

  Reaction Stoichiometry and Limiting Reagents

  • Determine the Concentration of Unknown Silver Nitrate Solution

    In this limiting reagents problem, students are asked to determine the amount of silver nitrate dissolved in a solution by performing a reaction with solid NaCl. In this randomized activity, each student is given…

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  Acid/Base Titrations

  • Determine the Concentration of HCl using a Standardized NaOH Solution

    Perform a titration to determine the concentration of an unknown HCl solution using a standardized solution of NaOH and KHP. (Adapted from a prelab exercise used at the University of British Columbia)

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  • Determining Reagent Concentrations

    Using the Virtual Laboratory, design an experiment to quickly determine which of the two reagents, HCl or NaOH, is 10 times more concentrated than the other.

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  • Determine the Concentration of Acetic Acid in Vinegar

    In this lab, you will determine the concentration of acetic acid in vinegar using a 0.110 M NaOH standard solution and an acid-base indicator, phenolphthalein. (Adapted from a prelab exercise used at Sinclair College)

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  • Determine the Concentration of Acetic Acid in Vinegar

    In this lab, you will determine the concentration of acetic acid in vinegar using a 0.110 M NaOH standard solution and an acid-base indicator, phenolphthalein. Adapted for Kennesaw State University.

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  Redox Titrations

  • Determine the amount of vitamin C in a peach

    Perform a titration experiment to determine the concentration of absorbic acid in one medium peach. (Adapted from a prelab used at University of British Columbia)

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  Gravimetric Analysis

  • Determine the Concentration of Unknown Silver Nitrate Solution

    In this limiting reagents problem, students are asked to determine the amount of silver nitrate dissolved in a solution by performing a reaction with solid NaCl. In this randomized activity, each student is given…

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