Curated OER
Chemical Equilibria
In this equilibria worksheet, students are given detailed information about LeChatelier's principle and how to solve equilibrium problems. They then calculate concentrations of compounds in solutions.
Curated OER
Are All Equilibria Created Equal
In this equilibrium activity, learners read about the factors that effect equilibrium in solutions such as the pressure of the solution, the temperature and the concentration of the solution. They answer three multi-part questions about...
Curated OER
WS 9.3 Le Chatelier's Principle
In this Le Chatelier's Principle worksheet, students are given three chemical reactions along with various disturbances on the systems. They must indicate the effects of each disturbance on the concentrations of products and reactants in...
Curated OER
Complex Equilibria Quiz
In this equilibrium instructional activity, students answer 8 multiple choice questions but need to solve the problems in order to determine the answers. They include determining the concentrations of ions as well as the pH of solutions.
Curated OER
Water Equilibria
In this water equilibria worksheet, students calculate the pH of solutions, they fill in a table with the type of acid or base given a compound and it's concentration and they calculate approximate solubilities for salts.
Curated OER
The Speed of Chemistry
In this rates of chemical reactions worksheet, high schoolers read about the various factors that influence the rate of chemical reactions such as surface area, concentration, temperature and catalysts. Students answer eight questions...
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Colligative Properties and Chemical Equilibria
In this colligative properties and chemical equilibria worksheet, students answer twenty questions including ranking solutions base on their colligative properties and determining what must happen to a reaction to reach equilibrium.
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Solubility Equilibria
In this solubility equilibria worksheet, learners solve five problems. They calculate concentrations of ions at equilibrium, they determine the effects of adding compounds to a saturated solution and they determine if compounds are more...
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Acid/Base Calculations
In this chemistry worksheet, students calculate the concentration of acids and bases at equilibrium to answer 6 problems related to the topic.
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Chemical Equilibria and an Introduction to Water Chemistry
In this equilibrium and water chemistry worksheet, students solve twenty problems related to acids and bases, equilibrium and water.
Cornell University
Vitamin C Module
Test the levels of vitamin C in different juices. After a lesson plan on the importance of vitamin C in our diets, learners use titration to determine the vitamin C content in juice. They use their experience with the titration to study...
LABScI
Enzymes: The Spit Lab
Enzymes in our bodies each have a job to do. Learn the factors that affect the activity of some enzymes using the third activity of an informative 12-part biology series. A three-part laboratory activity asks teams to investigate how...
Curated OER
Spectrophotometric Determination of an Equilibrium Constant
Students determine the equilibrium constant for a chemical system and use graphing techniques and data analysis to evaluate experimental data.
Curated OER
Chemical Equilibrium
In this chemical equilibrium worksheet, learners review hydration, dissociation, and colligative properties. Students also review Le Chatelier's principle. This worksheet has 15 short answer questions and 12 problems to solve.
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
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Regents High School Examination PHYSICAL SETTING CHEMISTRY 2006
The 2006 version of the Regents High School Exam is just as thorough as the rest of them! Assess chemistry learners on an entire year's curriculum when they take this thirteen page test.
Curated OER
Chemical Equilibria
In this chemical equilibria learning exercise, students write equilibrium expressions for chemical reactions and calculate the value of the equilibrium constant. This learning exercise has 8 problems to solve.
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Chemical Equilibria
In this chemical reactions learning exercise, learners determine how mixtures shift toward reactants or products to reach equilibrium. For given reactions, students determine how concentrations will change when adding or removing gases...
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Kinetics and Equilibrium
Students develop an understanding of what a reaction is and factors that affect it. They are introduced to: reaction mechanisms, reaction rates, reaction order, factors affecting reaction rates, Le Chatelier's Principle and Equilibrium.
Curated OER
Acids and Bases Worksheet
In this acid and base worksheet, students solve three problems. They calculate pH and equilibrium concentrations, they determine what is needed to prepare a proper buffer solution and they answer questions about a titration.
Curated OER
Heterogeneous Equilibrium: Measurement of a Partition Coefficient
In this chemistry worksheet, students examine a concept in science and then use the knowledge in application by conducting an experiment.
Curated OER
Chemical Reactions
In this chemical reactions learning exercise, students use the LeChatelier's principle to predict concentrations. Students determine if products or reactants are favored at equilibrium for given equilibrium constants. This learning...
Curated OER
Le Chatelier's Principle
In this chemical equilibrium worksheet, students review Le Chatelier's Principle and predict the direction of equilibrium shift for different changes to a chemical reactions. Students also review enthalpy and entropy. This worksheet has...
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Solutions and Solubility
In this solutions worksheet, students determine concentrations of reactants at equilibrium. Students describe the effects of adding reactants have on the solubility of a compound. This worksheet has 5 problems to solve.