Curated OER
Don’t be a Stoic about Stoichiometry
Pupils review balancing chemical equations. In this chemistry lesson, students calculate moles of an unknown substance based on stoichiometric relationships in the balanced equation. They cite applications of stoichiometry in the real...
Curated OER
Determination of Equivalent Weight of an Acid
In this chemistry worksheet, students look for the weight of acid and examine its mass using chemical equations and a laboratory procedure.
Curated OER
Chemical Calculations
In this chemical calculations worksheet, students fill in 7 blanks with appropriate terms. They determine if 7 statements are true or false, they match 5 conversion problems to their solutions and they solve 2 stoichiometry problems...
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...
Curated OER
Stoichiometry
In this stoichiometry instructional activity, students 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...
Curated OER
Stoichiometry
In this chemistry activity, learners solve various problems on stoichiometry by following what each statement describes. They identify how many moles and grams of carbon dioxide will be produced and what the theoretical yield in moles...
Curated OER
Stoichiometry
In this stoichiometry worksheet, students review mole conversions, percent composition, empirical formulas and molecular formulas. This worksheet has 6 problems to solve.
Curated OER
Stoichiometry Practice Problems
In this stoichiometry worksheet, students calculate the mass of the compound produced from given chemical reactions. This worksheet has 6 problems to solve.
Curated OER
Stoichiometry Practice Problems
In this stoichiometry worksheet, learners calculate the mass of compounds or gases produced from given chemical reactions. This worksheet has 5 problems to solve.
Curated OER
Mixtures, Percentage and Equation Stoichiometry
In this chemistry instructional activity, students answer 2 problems on solution stoichiometry. They calculate the mass of products formed given a certain amount of reactant.
Curated OER
Stoichiometry Worksheet I
In this chemistry worksheet, students explain how many moles of oxygen gas are needed to react with a certain number of moles of ammonia. They also identify how many grams of oxygen are needed to react with a certain number of grams of...
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
Chapter 10: Chemical Calculations and Chemical Equations
In this chemical equations worksheet, students write and balance chemical reactions. They complete 98 short answer and problem solving questions on molarity and chemical equations.
Curated OER
Stoichiometry Homework
In this stoichiometry homework worksheet, high schoolers balance each chemical equation. Students calculate how many grams, moles, and molecules are present in each problem provided.
Virginia Department of Education
Matter and Energy: Equations and Formulas
Using simple materials, an informative instructional activity demonstrates the Law of Conservation of Matter and explains how to balance chemical equations. Young chemists perform experiments, analyze reactions, and balance chemical...
National Institute of Open Schooling
Chemical Arithmetics
Substances with the same empirical and molecular formula must be differentiated by their structural formula. Part two in a series of 36 has pupils using chemical formulas to calculate how much of a compound is present in a given...
Virginia Department of Education
Aspirin Analysis
Laughter may be the best medicine, but aspirin is also important. Young chemists analyze aspirin tablets using titration in this lab experiment. They then repeat the entire experiment using a different aspirin brand.
Virginia Department of Education
Molar Volume of a Gas
What is a chemist's favorite plant? Stoichiome Tree! Scholars produce hydrogen gas by reacting magnesium with hydrochloric acid. Then they calculate the molar volume of the gas produced before answering assessment questions.
Normal Community High School
Chemical Equations
Viewers learn how to identify the substances in a chemical reaction, how to balance it, and the different types of chemical reactions by watching a presentation that also includes a review of monomers and polymers. The presentation ends...
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
Stoichiometry Homework: 3
In this stoichiometry worksheet, students balance chemical equations. Students apply the concepts of stoichiometry to solve for each problem provided.
Curated OER
Stoichiometry
In this stoichiometry activity, students calculate balance the chemical equations and then calculate the moles needed to complete or activate the chemical reaction. Students also calculate the volume or grams needed for each chemical...
Curated OER
Limiting Reagent Worksheet
In this chemistry worksheet, students engage in this activity that is focused upon the concept of a reagent. The questions are then answered by the students for review.
Curated OER
Molarity and Stoichiometry
For this molarity worksheet, students apply the definition of molarity to the given balanced equations. This worksheet has 4 problems to solve.