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Chemistry: Expert Guides and Resources
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Articles & Books From Chemistry
Discover clear, time-saving explanations of chemistry concepts Chemistry For Dummies, 3rd Edition is a breath of fresh air for high school and college chem students. This book simplifies chemistry basics, making it easy to understand everything from matter and molecules to moles and measurements. Mapping to a typical chemistry course (one year of high school or one semester of undergrad), this book has the definitions, examples, and explanations you’ll need to pass your exams and get the grade you need.
Article / Updated 03-20-2024
Chemists aren’t satisfied with measuring length, mass, temperature, and time alone. On the contrary, chemistry often deals in calculated quantities. These kinds of quantities are expressed with derived units, which are built from combinations of base units.Here are some examples: Area (for example, catalytic surface).
Article / Updated 07-10-2023
Chiral molecules usually contain at least one carbon atom with four nonidentical substituents. Such a carbon atom is called a chiral center (or sometimes a stereogenic center), using organic-speak. Any molecule that contains a chiral center will be chiral, with the exception of a meso compound (see below for how to identify these).
Step by Step / Updated 07-05-2023
When elements combine through chemical reactions, they form compounds. When compounds contain carbon, they’re called organic compounds. The four families of organic compounds with important biological functions areCarbohydratesThese molecules consist of carbon, hydrogen, and oxygen in a ratio of roughly 1:2:1.
Article / Updated 05-03-2023
Acid-base reactions and their associated calculations play a primary role in many chemical, biological, and environmental systems. Whether you’re determining hydrogen ion concentration, [H+]; hydroxide ion concentration, [OH˗]; pH; or pOH, an equation and a calculator are important tools to have in your toolbox.
Article / Updated 05-03-2023
The hyperbolic functions are certain combinations of the exponential functions ex and e–x. These functions occur often enough in differential equations and engineering that they’re typically introduced in a Calculus course. Some of the real-life applications of these functions relate to the study of electric transmission and suspension cables.
Article / Updated 04-14-2023
A conversion factor uses your knowledge of the relationships between units to convert from one unit to another. For example, if you know that there are 2.54 centimeters in every inch (or 2.2 pounds in every kilogram or 101.3 kilopascals in every atmosphere), then converting between those units becomes simple algebra.
Cheat Sheet / Updated 01-09-2023
Organic Chemistry II is one of the toughest courses you can take. Surviving isn’t easy — you probably know that from your Organic Chemistry I class. Preparation is key: If you study the basics of organic chemistry the right way, prepare for your tests, and know your aromatic systems, you’re off to a great start!
Cheat Sheet / Updated 11-08-2022
Chemistry covers all kinds of stuff. Sometimes you might not be sure where to start when you are first given a set of problems and told to go forth and succeed. Sometimes it’s converting metric units, writing ionic formulas, naming covalent compounds, balancing reactions, or dealing with extensive and intensive properties.
Everything you need to crush chemistry with confidence Chemistry All-in-One For Dummies arms you with all the no-nonsense, how-to content you’ll need to pass your chemistry class with flying colors. You’ll find tons of practical examples and practice problems, and you’ll get access to an online quiz for every chapter.
