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Activity
Chemistry Collective

Chem Collective: Gravimetric Determination of Arsenic

For Students 9th - 10th
Set in the context of ground water contamination in Bangladesh, this stoichiometry and analytical chemistry activity examines the issues around identifying wells contaminated with arsenic. In this activity, students perform a gravimetric...
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Unit Plan
Carnegie Mellon University

Chem Collective: Dna Binding Dyes Scenario

For Students 9th - 10th
This activity explores the equilibrium of dyes that self-assemble into DNA templates. Students use knowledge of equilibrium and quantitative spectroscopy to explore different dyes that bind selectively to DNA molecules. In this activity,...
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Unit Plan
Carnegie Mellon University

Chem Collective: Meals Ready to Eat

For Students 9th - 10th
While camping on the Appalachian Trail, a storm dampens all the fire wood and you must design a chemical reaction to heat your meal. In this activity, students design an experiment in the virtual lab to determine the heat of reaction for...
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Activity
Chemistry Collective

Chem Collective: Determining Stoichiometric Coefficients

For Students 9th - 10th
Students use the virtual lab to determine how four unknown substances react with each other including their stoichiometric coefficients. In this randomized activity, each student receives a different reaction and students can check their...
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Interactive
Chemistry Collective

Chem Collective: Glucose Dilution Problem

For Students 9th - 10th
In this activity, students use the virtual lab to create a 0.025M glucose solution from a standard 1M glucose solution. First, they calculate the correct volumes of 1M glucose solution and water to mix together to create the final 0.025M...
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Activity
Chemistry Collective

Chem Collective: Acid Dilution Problem

For Teachers 9th - 10th
In this activity, students use the virtual lab to create 500mL of 3M HCl solution from a concentrated stock solution of 11.6M HCl. They must first calculate the correct volumes of 11.6M HCl solution and water to mix together to create...
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Activity
Chemistry Collective

Chem Collective: Cola and Sucrose Concentration Problem

For Students 9th - 10th
In this activity, students use the virtual lab to prepare a sucrose solution for a soda recipe. They next calculate the concentration of their solution in terms of molarity, percent mass and density. Finally, they compare the density of...
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Interactive
Chemistry Collective

Chem Collective: Making Stock Solutions From Solids

For Students 9th - 10th
In this activity, students use the virtual lab to create stock solutions starting from solid salts. Students must first calculate the correct amount of solid to make the solution. Next, they prepare the solution using the appropriate...
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Interactive
Chemistry Collective

Chem Collective: Identifying the Unknown Metal

For Students 9th - 10th
In this activity, students use the virtual lab to identify an unknown metal by measuring its density and comparing their measurements to the densities of known metals.
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Interactive
Chemistry Collective

Chem Collective: Identifying an Unknown Liquid From Its Density

For Students 9th - 10th
In this activity, students use the virtual lab to design an experiment to determine the identity of mislabeled bottles using the densities of the solutions inside.
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Activity
Chemistry Collective

Chem Collective: Determining Stoichiometric Coefficients

For Students 9th - 10th
In this activity, students use the virtual lab to determine how four unknown substances react with each other including their stoichiometric coefficients.
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Unknown Type
Chemistry Collective

Chem Collective: Textbook Style Limiting Reagents Problems

For Students 9th - 10th
Textbook-style practice limiting reagent exercises with that can be used as a way to "predict and check" your answers using the virtual lab.
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Activity
Chemistry Collective

Chem Collective: Determination of the P H Scale

For Students 9th - 10th
This virtual lab activity where students perform the method of successive dilutions using HCl, NaOH, a pH meter, and universal indicator solution to help understand the logarithmic nature of the pH scale.
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Activity
Chemistry Collective

Chem Collective: Determining the P Ka and Concentration Ratio

For Students 9th - 10th
Use the virtual lab to determine the pKa of a protein then create a buffer solution with a specific concentration ratio of the protein in its protonated/ unprotonated form.
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Activity
Chemistry Collective

Chem Collective: Unknown Concentration of Dna Solution Problem

For Teachers 9th - 10th
In this advanced limiting reagent problem, students use the virtual lab to determine the concentration of a solution of DNA by reacting it with known amounts of a fluorescent dye which binds to the DNA.
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Activity
Chemistry Collective

Chem Collective: Determining the Solubility Product

For Students 9th - 10th
Determine the solubility product constatnt (Ksp) for various solids with this virtual lab.
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Activity
Chemistry Collective

Chem Collective: Determining the Solubility of Copper Chloride

For Students 9th - 10th
Given the solubility of CuCl at two different temperatures, predict its solubility at a third temperature. Then test your prediction by creating the solution in the virtual lab.
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Activity
Chemistry Collective

Chem Collective: Coffee Problem

For Students 9th - 10th
Use the virtual lab to determine how much milk to add to hot coffee to reach the desired temperature
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Activity
Chemistry Collective

Chem Collective: Strong Acid and Base Problems

For Teachers 9th - 10th
Textbook-style strong acid and base problems that can be checked using the Virtual Lab.
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Activity
Chemistry Collective

Chem Collective: Weak Acid and Base Problems

For Students 9th - 10th
Textbook-style weak acid and base problems that can be checked using the Virtual Lab.
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Activity
Chemistry Collective

Chem Collective: Determine the Concentration of Acetic Acid in Vinegar

For Students 9th - 10th
A virtual lab where students determine the concentration of acetic acid in vinegar using a 0.110 M NaOH standard solution and an acid-base indicator, phenolphthalein.
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Unit Plan
Concord Consortium

Concord Consortium: Stem Resources: Melting Ice

For Students 6th - 8th
Using temperature probes, students will monitor the temperature of melting ice cubes in different situations. This lab activity, allows students to view the procedure and answer questions online that can be saved and evaluated by the...
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Handout
Dartmouth College

Dartmouth College: Chem Lab: Vacuum Filtration

For Students 9th - 10th
Vacuum filtration is a technique for separating a solid product from a solvent or liquid reaction mixture. This comprehensive site addresses setting up and performing vacuum filtration.
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Activity
Royal Society of Chemistry

Royal Society of Chemistry: Kitchen Chemistry: Salt and the Boiling Point [Pdf]

For Students 3rd - 8th
An experiment where students test how the boiling point of water is affected by adding salt. The experiment is well laid out with pictures that show how to perform the experiment.

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