Curated OER
Entropy
In this entropy worksheet, students calculate the change in entropy and rank absolute molar entropies. This worksheet has 12 problems to solve.
Curated OER
Energy from Hydrocarbons
In this energy from hydrocarbons worksheet, students read about endothermic and exothermic reactions and how hydrocarbons release heat as fuels. Students read how to measure heat changes in reactions and practice finding the specific...
Curated OER
Hydrocarbons
In this hydrocarbon worksheet, students answer 13 questions about different types of organic molecules categorized as hydrocarbons. They explain the different hydrocarbons, they draw structural diagrams for different hydrocarbons and...
Chymist
Determination of the Volume of CO2 in Pop Rocks
Where does the pop in pop rocks come from? An engaging activity asks scholars to measure the amount of carbon dioxide in a package of Pop Rocks candy. Learners dissolve the candy in water and use the solubility of CO2 to determine its mass.
Curated OER
Extracting Oxygen from Moon Rocks
For this extracting oxygen from moon rocks worksheet, high schoolers read about the need for oxygen for lunar colonists. Students solve 2 problems about the lunar mineral ilmenite which contains oxygen and other elements. They find the...
Curated OER
WS 10.8 Acid-Base Neutralization and Titration
In this acid and base worksheet, students write balanced equations for neutralization reactions, they calculate volumes of acids and bases needed to titrate solutions and they determine molarities of solutions.
Curated OER
The "Clock Reaction" Kinetics Lab
Students investigate the effects of temperature and concentration on the rate of reactions. In this "clock reaction" kinetics lesson plan, students change the concentration of one reactant and keep the second constant. An indicator is...
Virginia Department of Education
Vapor Pressure and Colligative Properties
Hate to vacuum, but enjoy using a vacuum pump? Explore a instructional activity that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor...
Virginia Department of Education
Partial Pressure
At some point, everyone has been under pressure—even Dalton! Explore Dalton's law of partial pressures with young chemists as they measure the volume of air extracted from a sample compared to its original volume. Class members perform...
Curated OER
Bond Energies
Before completing this learning exercise, chemists are supposed read a portion of their textbook. Assign the chapter on bond energies, endothermic, and exothermic reactions. Then have your class answer the questions and fill in the data...
Santa Monica College
The Composition of Potassium Chlorate
The third lesson plan 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...
Cornell University
Electroplating
Silver pennies and copper nickels are made possible by applying some chemistry. Learners use electrolysis to coat a penny with zinc sulfate and a nickel with copper sulfate. Their investigation builds an understanding of electroplating...
Curated OER
Calorimetry Worksheet
In this chemistry worksheet, students answer the essay questions while focusing on the concept of measuring calories and there is a variety of types of problems.
Curated OER
IB Chemistry Practice Test
In this chemistry review worksheet, learners practice using Avogadro's number, calculating number of moles, and using the gas laws. This worksheet has 39 multiple choice questions.
Curated OER
Laboratory: Hydrated Salts
In this hydrated salt worksheet, students answer questions after completing a lab experiment using a hydrated salt. The calculate the empirical formula for the hydrate, they name the hydrate and they determine the mass of the water in...
Curated OER
AP Chemistry-Equilibrium Worksheet
In this equilibrium worksheet, students find moles of substances at equilibrium, the effects of changing pressure and temperature on the equilibrium of reactions, the concentration of substances in reactions and the equilibrium constants...
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
General Chemistry I
In this chemistry worksheet, learners balance each of the reactions presented using the periodic table to help. Then they predict the products of the reactions and write the net ionic equation. Students also write the empirical formulas...