Curated OER
Stoichiometry
Students discover stoichiometric relationships in chemical equations. They review mole to mole conversions. They understand mass/particle conversions. They perform a lab to reinforce stoichiometry.
Curated OER
Classifying Chemical Reactions
In this chemical reactions worksheet, students learn about the 5 types of chemical reactions as well as endothermic and exothermic reactions. Students are given 5 equations to balance and they identify the type of reaction for each...
Curated OER
Chemical Reactions
In this chemical reactions worksheet, students compare endothermic and exothermic reactions, closed and open systems, and reactants and products. Students review physical and chemical changes and how to balance equations. This worksheet...
Curated OER
Types of Chemical Reactions
In this chemical reactions instructional activity, students are given directions about three types of reactions and how to write balanced equations for each. They then are given ten practice problems to complete using the information given.
Curated OER
Chem 152-Electrochemistry
In this electrochemistry worksheet, learners solve a variety of problems including identifying parts of oxidation and reduction reactions, writing balanced equations for galvanic cells, determining free energy and equilibrium constants...
Curated OER
Nuclear Decay
In this nuclear decay worksheet, students read about alpha and beta decay and the isotopes formed by the reactions. Students solve nine problems including writing the equations for the decay of radioactive isotopes, identifying the...
Curated OER
The "Laws" and Principles of Chemical Reactions
In this chemical reaction principles worksheet, students read about definite proportions and the law of conservation of mass. Students read about how to balance a chemical equation. Then students complete 20 fill in the blank, 2 short...
Curated OER
Unit 2 Quantities Review
In this quantities in chemistry worksheet, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.
Curated OER
The Energy Debate - Stoichiometry
Students determine crude oil can be separated into useful fractions by a process of fractional distillation. They write a balanced equation for the reaction between a hydrocarbon and oxygen.
Curated OER
Gas Stoichiometry
In this gas stoichiometry learning exercise, students use the ideal gas law and balanced chemical equations to solve for unknown values such as volume and mass of gases.
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: 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...
Santa Monica College
The Composition of Potassium Chlorate
The third lesson in a series of 11 begins by using thermal decomposition of potassium chlorate to determine the mass percent of oxygen. Then a second activity allows scholars to demonstrate that the resulting residue is from a...
Rensselaer Polytechnic Institute
Molecules to the Max!—Educators Resource Guide
From molecules to nanotubes, an engaging unit explores the world of tiny science. Fifteen hands-on experiments and lessons engage young scientists as they learn chemistry. Discussions, worksheets, and data analysis reinforce the concepts...
Curated OER
Everything You Ever Wanted to Know About Stoichiometry
In this chemistry learning exercise, students identify the process of Stoichiometry and use it to calculate various chemical reactions similar to that of a recipe. In addition, they identify a connection between isoamyl alcohol and the...
Curated OER
Chemistry 112: Form A-
In this chemistry 112 worksheet, students use their knowledge of chemistry concepts to answer the multiple choice questions provided. Students calculate the answers using the appropriate formulas.
Curated OER
WS 4.7 Writing Chemical Reactions
In this chemical reactions worksheet, learners are given fourteen chemical reactions that they must write using chemical formulas for the reactants and products. They balance each equation by placing the proper coefficients in front of...
Curated OER
Water
In this water learning exercise, students compare and contrast elements and compounds. Students define chemical symbols, chemical formulas, and chemical properties. This learning exercise has 19 short answer questions.
Curated OER
Recognizing and Describing Chemical Changes
Seventh graders distinguish between physical and chemical changes in both natural and technological settings. They identify the reactants and products for a given chemical reaction. they then write simple chemical equations given the...
Curated OER
Stoichiometry
Students research chemical formulas and balance chemical equations. In this chemical equations lesson students complete a class activity on chemical equations and answer questions.
Curated OER
Chemistry II Enthalpy Worksheet
In this enthalpy equation activity, learners are given 3 examples of chemical reactions. Students then respond to 4 practice problems and 1 challenge problem in regard to heat and energy change and release.
Curated OER
How Can We Calculate an Equilibrium Constant?
Students explain how equilibrium quantities are changed by temperature, pressure or different concentration of substances. They work together to complete equilibrium equations. They identify the relationship between absorption of light...
Curated OER
Chemical Reactions Homework Problem Set
For this chemical reactions practice worksheet, students balance 6 equations and give the name of the reactants and the products. In addition, students balance 3 equations and determine the molecular formula and the molecular weight of...
Curated OER
Types of Chemical Reactions
In this chemical reactions instructional activity, high schoolers fill in 12 blanks, determine if 5 statements are true or false, match 4 types of reactions with their description and solve 2 problems related to balancing equations and...