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
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...
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.
Curated OER
Limiting Reactant-Theoretical Yield and Percent Yield
In 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.
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...
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.
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
Additional Stoichiometry Review Problems
In this stoichiometry worksheet, students interpret a chemical equation, determine number of moles produced or mass of product, and solve for the limiting reactant for reactions. This worksheet has 25 problems to solve.
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
Stoichiometry Lessons
Students are introduced to stoichiometric relationships in chemical equations with a Trail Mix activity before performing a lab to reinforce stoichiometry. Students complete the unit with a lab about limiting reactants in chemical...
Curated OER
Limiting Reactant Exercise
In this chemistry worksheet, students write the balanced equation for the problem at the top of the sheet. Then they determine which reactant is the limiting reactant and which one is in excess. Students also explain the procedures for...
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...
Curated OER
Limiting Reagent Practice Problems
For 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 Reagents and Percent Yield Problems
Twelve questions about the various calculations of mass and yield are given here. There is significant practice of molarity calculations and consideration of the reactant and product balance.
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.
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...
Curated OER
Stoichiometry Problems
In this stoichiometry worksheet, students practice calculating mass or volume for specific chemical reactions. This worksheet has 5 problems to solve.
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.
Curated OER
Sample Midyear Examination (Chemistry and Biology)
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...
Curated OER
Limiting Reagent
Students work in small groups with a small set of 8 nuts and 5 bolts to assemble into combinations of 1 nut: 1 bolt, and 2 nuts: 1 bolt. They explore the outcome and discuss. Then a student mixes two clear, colorless solutions together...
Curated OER
Chemical Stoichiometry Problems
In this stoichiometry learning exercise, students calculate theoretical yield and percent yield. This learning exercise has 2 problems to solve.
Curated OER
Stoichiometry
For this stoichiometry worksheet, learners identify types of reactions, show the products, and balance the equations. Students determine the limiting reagent, theoretical yield, and percent yield for given reactions. This worksheet has 5...
Curated OER
Enthalpy and Thermochemistry Problem Set
In this thermochemistry worksheet, students answer questions based on the reaction of charcoal and liquid oxygen. Students write a balanced chemical equation, determine the limiting reagent, calculate the mass of each product, and amount...