Royal Society of Chemistry
Aspirin—The Wonder of Medicine
What do aspirin and the willow tree have in common? Scholars of chemical synthesis engage in a fascinating reaction to make their own aspirin samples. The lab uses thin layer chromatography analysis, includes stoichiometric calculations,...
Chemistry Collective
Virtual Lab: Identifying an Unknown Liquid from its Density
Mislabeled bottles can cause a dangerous situation! Young chemists design a method for determining the true contents of a solution in a virtual lab activity. Their study of density helps them identify the makeup of the solution.
Chemistry Collective
Virtual Lab: Alcohol Density Problem
Assume the role of Canadian border control! The percent of alcohol and density of a solution are related. Young scholars use this fact to classify solutions by their alcohol content to determine if they meet Canadian import laws.
Chemistry Collective
Virtual Lab: Determining Stoichiometric Coefficients
Investigate the reaction between four unknown substances using a virtual activity. Eager chemists examine the reaction between the four solutions to build a stoichiometric equation. The virtual workbench provides the tools necessary to...
Chemistry Collective
Virtual Lab: Textbook Style Limiting Reagents Problems
Time to test the limits! Young scientists make limiting reagent calculations and test their math using a virtual lab simulation. Using their knowledge of ionic compounds, they determine the limiting reagents and the excess compounds.
Chemistry Collective
Virtual Lab: Textbook Style Limiting Reagents Problem II
Textbook problems with a twist! Young chemists analyze an ionic reaction to identify the limiting reagent. They then make calculations to determine the concentration of unknown solutions. Finally, they put their work to the test and...
Chemistry Collective
Virtual Lab: Predicting DNA Concentration
Play a little game of concentration! A virtual lab investigation allows learners to predict the products and reactants of a DNA reaction. They make their calculations and then test their predictions in the lab workbench.
Chemistry Collective
Virtual Lab: Unknown Concentration of DNA Solution Problem
Highlight DNA solution with fluorescent dyes! Scholars use dye to determine the concentration of a DNA solution. As the dyes bind with the DNA solution, learners make conclusions about the limiting reactants.
Curated OER
Worksheet 2-2 Stoichiometric Tools
In this stoichiometry worksheet, young scholars solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent...
Virginia Department of Education
Matter and Energy: Equations and Formulas
Using simple materials, an informative lesson plan demonstrates the Law of Conservation of Matter and explains how to balance chemical equations. Young chemists perform experiments, analyze reactions, and balance chemical equations on...
Curated OER
A Solution for Moles
Students calculate the concentration of different solutions. In this chemistry lesson, students explain what a solution is. They explain ways to change the concentration of a solution.
Curated OER
Ideal Gas Law
Students explain and use ideal gas law and use the law to solve problems. They use conversion factors to convert mass to mol. Also students use stoichiometry skills previously learned.
Curated OER
The Mole Concept
The need for a counting unit is mentioned as you introduce the mole to your young chemists. Use this presentation to explain Avogadro's number and describe the incredible quantity it represents. Lecture notes are included for most of the...
Curated OER
Synthesis Reactions
Two examples are displayed in graphic form, demonstrating to your young chemists how synthesis reactions work. This is not a full presentation, but rather just a couple of slides. Don't let its brevity cause you to disregard its value,...
Curated OER
Decomposition Reactions
This is not a complete slide show, but rather the general form and a diagram depicting what happens in a decomposition reaction. It is large, colorful, and easy to read. A useful tool for explaining decomposition reactions to your...
Curated OER
Single Replacement Reactions
These slides will need to be rearranged, and the title really should include single and double replacement reactions. As is, this presentation isn't coherent, but the content and photos in the slides are advantageous. Take a look at them...
Curated OER
Double Replacement Reactions
There's not much to this presentation, but what is here can be useful. The main slide, which is inexplicably repeated, simply shows an example of both a single-replacement and a double-replacement reaction and then their general forms....
Curated OER
Excess Reactant
Junior chemists discover how to calculate excess reactants, handle limiting reactants, and determine percent yield. After background information is provided, step-by-step examples are solved. You can use this detailed slide show to teach...
Curated OER
Classes of Reactions
Show your chemistry class a graphic organizer classifying the types of chemical reactions. A few additional slides are included on the formation of magnesium chloride, the production of methanol, and a diagram of a mixture of molecules....
Curated OER
Percent Yield
In this percent yield worksheet, students solve 4 problems. They find the percent yield given the chemical reaction, the mass of the reactants and the mass of the products. Given the percent yield students find the liters of a substance...
Curated OER
Limiting Reactant Problems
In this chemical reaction worksheet, learners determine the limiting reactant in the equations given plus determine the amount of moles of product produced. This worksheet has 6 problems to solve.
Curated OER
Visualizing the Limiting Reactant
In this chemical equation worksheet, students determine the limiting reactant and the excess reactant for the given reactions. This worksheet has 10 problems to solve.
Curated OER
BioFuels: The Chemistry and Economics of Alternative Fuels
Junior chemists manufacture biodiesel in the lab. For this exercise, they check the purity of the biodiesel using thin layer chromatography. They also calculate its density and heat of combustion. They are sure to rise to the challenge...
Virginia Department of Education
Moles Lab Activities
Want my name and number? It's 6.0221415 times 10 to the 23rd, and my name is Avogadro. Providing nine different activities, experiments, and labs, this lesson keeps Avogadro relevant to your class all year long.
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