Chemistry

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Solutions, dilutions, chemical bonds, acids and bases, organic (carbon-containing) molecules, macromolecules, water
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Describing Solutions
Presentation
Most scientists use a common language of measurement, called the International System of Units. David Caprette, PhD, shows you how to use this language to describe solutions.
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Introduction to Chemical Mixtures
Presentation
Dr. David Caprette describes the types of mixtures, and their properties, that might be encountered in a biological laboratory, and discusses basic equipment for solution making.
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Mixtures
Video
What is a mixture, how is a mixture made and separated, and what are some common mixtures? Learn these answers to these and other questions in this engaging video.
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Quantitative Methods: Part 1. Solutions and Dilutions
Presentation
David Caprette, PhD, discusses the types and properties of mixtures prepared and/or encountered in a biological laboratory. He also introduces basic lab equipment, terms and concepts related to formulas, and the concept of the mole.
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Quantitative Methods: Part 2. Diluting Solutions
Presentation
It is relatively easy to work out dilution problems once a solid frame of reference is established. David Caprette, PhD, explains the process.