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Dr. Miriam Douglass
Dr. Martin McClinton
In this animated activity, learners compare the van der Waals equation with the Ideal Gas Law.
A Biological Example of Water Solubility
By Jill Larson
In this animated object, students examine the role that the solubility of water plays in various biological functions.
Calculating Gas Density from Standard Molar Volume
By Dr. Miriam Douglass
Learners calculate gas density from the standard molar volume and observe how the density increases with the increasing molecular weight of the gas.
Energy in Chemical Reactions
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
Conversion Between Mass and Moles of an Element
By Dr. Miriam Douglass, Dr. Martin McClinton
Atomic weights are used to convert the mass of a sample into the number of moles of the element in the sample and vice versa. Four examples are provided for practice.
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