Activity
Chemistry Collective

Chem Collective: Creating a Stock Solution

For Students 9th - 10th
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 to mix together to...
Activity
Chemistry Collective

Chem Collective: Determining Reactants and Products in a Solution of Dna

For Students 9th - 10th
In this limiting reagents problem, students are given specific concentrations of DNA solutions and are asked to predict what products and reactants will remain after a specific volumes are mixed and reaction has occurred.
Activity
Chemistry Collective

Chem Collective: Determine the Concentration of Unknown Silver Nitrate Solution

For Students 9th - 10th
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 a different unknown...
Activity
Chemistry Collective

Chem Collective: Chemical Remediation of Arsenic

For Students 9th - 10th
In this problem, students determine the limiting reagent in a reaction involving the remediation of arsenic from drinking water.
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...
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...
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...
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...
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...
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.
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.
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.
Activity
Chemistry Collective

Chem Collective: Textbook Style Limiting Reagents Problem Ii

For Students 9th - 10th
In this activity, students practice with experiments involving limiting reagents and the test their knowledge to determine the concentration of an unknown solution.
Activity
Chemistry Collective

Chem Collective: Predicting Dna Concentration

For Students 9th - 10th
In this limiting reagents problem, students are given specific concentrations of DNA solutions and are asked to predict what products and reactants will remain after a specific volumes are mixed and reaction has occurred.
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.
Handout
Savvas Learning

Chemistry, the Central Science: Enthalpies of Formation

For Students 9th - 10th
A section from a textbook about enthalpies of formation. Includes practice exercises, a table of enthalpy values, and examples.
Lesson Plan
Frostburg State University

General Chemistry Online: Faq the Mole Concept

For Students 9th - 10th
This FAQ site over general chemistry concepts presents the question: "Why are moles used?" It explains what moles are and how they can be used to count molecules and how grams can be turned into moles.
Interactive
CK-12 Foundation

Ck 12: Chemistry Simulation: Airbag

For Students 9th - 10th
[Free Registration/Login Required] Explore how decomposition reactions are used to inflate an airbag in a car crash.
Online Course
Cosmo Learning

Cosmo Learning: Chemistry 1 A: General Chemistry

For Students 9th - 10th
A collection of video lectures from a general chemistry course taught at the University of California, Berkeley. The course covers topics like stoichiometry, acid-base and solubility equilibrium, oxidation-reduction reactions, chemical...
Handout
Texas A&M University

Texas A&m: Steps for Determining an Empirical Formula

For Students 9th - 10th
The steps for determining an empirical formula are listed on this site. Also, it tells how to determine the molecular formula from an empirical formula. Two example problems are worked through step by step.
Activity
Texas Instruments

Texas Instruments: Chemical Equations and Relationships

For Teachers 9th - 10th
This activity is designed to check student understanding of chemical relationships and light in preparation for a concentration lab.
Activity
Texas Instruments

Texas Instruments: Cell Sheet App

For Teachers 9th - 10th
Students use the CellSheet App to enter data and text in cells, create cell formulas and use built-in functions. Student explore the utility of this App in science classes, such as Chemistry and Biology. They calculate the molarity of a...
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Molar Volume of a Gas Determined via a Reaction

For Teachers 9th - 10th
During this experiment, students will react magnesium with hydrochloric acid to produce hydrogen gas which is collected inside a flask that has a Vernier Gas Pressure Sensor connected to it in order to determine the molar volume of a...
Handout
Towson University

Towson University: Ideal and Real Gas Laws

For Students 9th - 10th
The ideal gas law is stated and explained at this site from the Towson University. It is then used to derive the other gas laws (Charles, Boyle's, Gay-Lussac's, Avogadro's, combined, etc.). Other gas law relationships are discussed....

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