Beyond Benign
A Green(er) Redox Reaction
Do some experimentation with reduction-oxidation! Stoichiometry superstars use a single-replacement reaction to study limiting reactant, theoretical yield, and the reactivity of metals through a lab activity. The teacher's guide includes...
PhET
Reactants, Products and Leftovers
Did you know when you mix the reactants sulfur, tungsten, and silver, you get the products SWAg? The simulation begins with making sandwiches, to show pupils reactants and products of something familiar. They then can make water,...
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.
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: 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: Stoichiometry and Solution Preparation Problem
Wow your classes with lesson that has a little of this and a little of that! Young chemists test their stoichiometry skills using a virtual laboratory setup. Using reaction information, they work to create a chemical reaction in which...
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: Gravimetric Determination of Arsenic
Arsenic in drinking water is a common problem in third world countries. Young chemists create a procedure to calculate the mass percent of arsenic in the soil. The virtual lab allows individuals to experiment with different methods.
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,...
Beyond Benign
Green"er" Precipitation Reaction
All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals...
Chymist
Plop, Plop, Fizz, Fizz
One of the most recognizable commercial melodies was written in 1977, and led to gastronomical relief around the world. Scholars use Alka Seltzer tablets to measure reactants and calculate the chemical equation for the reaction of NaHCO3...
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
WS 4.4 Stoichiometry Part 2
Four balanced chemical equations are presented for your pupils to analyze. They identify limiting reagents and use dimensional analysis to compute products. This practical worksheet is one that you will want to keep in your repertoire to...
Curated OER
Chemistry Practice
In this chemistry overview worksheet, students calculated the volume of different gases and liquids given in a word problem. Students had to calculate the molecular mass and write the empirical formula and the molecular formula.
Curated OER
Vocabulary - Stoichiometry
In this stoichiometry worksheet, students write in the definition for the 6 terms associated with stoichiometry including actual yield, percent yield, and limiting reactant.
Curated OER
Limiting Reactant Problems
In this chemical reaction activity, students determine the limiting reactant in the equations given plus determine the amount of moles of product produced. This activity has 6 problems to solve.
Curated OER
Limiting Reactant
Chemistry classes learn the importance of a limiting reactant by first considering a cake recipe. Given the recipe and the total amount available for each ingredient, they must calculate how many cakes can be made. Finally, they apply...
Curated OER
Stoichiometry Worksheet
On this stoichiometry worksheet learners will be balancing chemical equations. After the equations are balanced, students will be conducting calculations to solve for grams, moles, and limiting reactants.
Curated OER
Gas Stoichiometry Practice Sheet
In this gas stoichiometry activity, students determine the volume of gases in 4 problems given the temperature, the pressure, and the masses of the reactants. They find the limiting reactant in one problem at STP.
Curated OER
Additional Stoichiometry Review Problems
In this stoichiometry instructional activity, students interpret a chemical equation, determine number of moles produced or mass of product, and solve for the limiting reactant for reactions. This instructional activity has 25 problems...
Curated OER
WS 4.4 Stoichiometry
In this stoichiometry instructional activity, students are given four chemical reactions and they find quantities of products made, limiting reactants, excess reactants, and percent yield of products.
Curated OER
Limiting Reagent Practice Problems
In this limiting reagents worksheet, students solve 10 problems. They calculate limiting reagents, they calculate percent yield of particular compounds and they determine how much of products can be produced based on the limiting reagents.
Curated OER
Limiting Reactant-Theoretical Yield and Percent Yield
For this limiting reactant worksheet, students solve four problems to identify the theoretical yield and percent yield given an equation. They also calculate the limiting reactant.