Curated OER
Chemistry Equilibrium Worksheet
This worksheet focuses on writing equilibrium constants. Students work to determine the direction of reactions, concentrations of different substances, and equilibrium constants.
Curated OER
Worksheet 2-2 Stoichiometric Tools
In this stoichiometry worksheet, learners solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...
Curated OER
Molar Ratio
Students conduct an experiment in which they react sodium bicarbonate with hydrochloric acid to determine the molar ration between the two reactants. Students must write correct formula and a balanced chemical equation and explain how...
Curated OER
Chemistry Lab-Heat of Fusion
Students determine the heat of fusion of ice. In this heat of fusion lesson plan, students use a calorimeter to measure the molar heat of fusion of ice. Students determine the heat required to melt one mole of ice using hot water and ice...
Curated OER
Concentrations of Solutions
Students solve problems involving the molarity of a solution. In this solutions lesson plan students calculate the molarity and mole fraction of a solution and solve problems involving mass and volume.
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...
Cornell University
Polymers: Making Silly Putty
Putty is proof that learning can be fun! Share the wonderful world of polymers with your class through an experiment. Young scientists create their own silly putty, then examine its properties.
Curated OER
Unit Conversion in Chemistry
Hopefully by the time high schoolers are enrolled in your chemistry class, they are skilled with unit conversion. It does not hurt, however, to take an hour early in the school year to review this vital skill. This plan simply provides a...
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.
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.