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Dr. Miriam Douglass
Dr. Martin McClinton
Learners examine the meaning of theoretical yield, actual yield, and percent yield. They test their knowledge by solving two problems.
Introduction to Safety in the Chemistry Lab
By Bruce Bell
Learners read about lab equipment and basic safety measures. In a quiz, they view photos and determine if the lab technicians pictured are using safe practices.
Calculation of Atomic Weight from Isotopic Composition
By Debbie McClinton, Dr. Miriam Douglass, Dr. Martin McClinton
Learners examine the method for calculating the atomic weight of copper from the natural percent composition of each of its two isotopes.
Energy in Chemical Reactions
By Dr. Miriam Douglass
In this animated and interactive object, learners examine kinetic and potential energy as well as the first law of thermodynamics and the flow of energy between a system and its surroundings. Students also answer questions about exothermic and endothermic reactions
By Jill Larson
In this interactive lesson, students examine the quantitative relationship between chemicals in a balanced mathematical equation.
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Give your new group a name.