Chemistry

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Forensic Duties of a Medical Examiner

In the case of murder, the medical examiner (ME) may be the person who puts forensics to its purest use. An ME uses science to determine the cause, mechanism, and manner of death to help the investigation [more…]

Common Functional Groups in Organic Chemistry

In organic chemistry, functional groups (or reactive centers) are small structural units within molecules that dictate how most of the compound's chemical reactions occur. Know these common functional [more…]

Periodic Table of Elements

If you’re studying organic chemistry, the periodic table is an important tool. The elements and their atomic numbers are listed and grouped together by their properties — making it easier to remember without [more…]

Organic Chemistry I For Dummies Cheat Sheet

You won't get very far in your study of organic chemistry without the periodic table of elements and an understanding of the common functional groups (or reactive centers) that dictate how most of a compound's [more…]

Important Concepts of Organic Chemistry

When you're studying organic chemistry, keep these helpful reminders close by because they highlight some of the most important concepts you'll need to understand organic chemistry: [more…]

Periodic Table of Elements

Studying the elements of the periodic table is vital for understanding organic chemistry. So that you don't have to memorize each element, they're grouped together by their properties. [more…]

Organic Chemistry 1 Workbook For Dummies Cheat Sheet

Get a firm grasp on organic chemistry. Successfully studying organic chemistry means getting to know the elements of the periodic table and the important facts that highlight the fundamentals of organic [more…]

Study Tips for Organic Chemistry II

Organic Chemistry II doesn’t have to be as difficult as you think. Follow these study tips to improve your understanding of organic chemistry, from carbon atom bonds to unnamed reactions, and everything [more…]

Tips for Taking an Organic Chemistry II Exam

Taking an Organic Chemistry II test has a completely deserved reputation for being tough. Make life easier by following these tips before you take your next organic chemistry exam: [more…]

Organic Chemistry II: Directing Groups for Aromatic Systems

In an Organic Chemistry II class you often add groups to aromatic systems. If you’re wondering where the substitution will take place, check out this table for some guidelines. When using this table, remember [more…]

Organic Chemistry II For Dummies Cheat Sheet

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 right way, prepare [more…]

Chemical Bonding Basics

In bonding, atoms lose, gain, or share electrons in order to have the same number of electrons as the noble gas that's nearest on the periodic table. Ionic, covalent, and metallic bonds are formed by combinations [more…]

Chemistry Concepts: Energy Levels and Orbitals

A lot of chemistry is explained by the sharing and trading of electrons between atoms. Understanding how electrons are arranged in an atom is a building block of Chem I. [more…]

Digging the Mole Concept in Chemistry

The mole (abbreviate mol and sometimes called Avogadro's number) is a conversion number that allows a chemist or chemistry student to move from the microscopic world of atoms, ions, and molecules to the [more…]

Identifying Isotopes through Representations

In Chem I, you may have to identify isotopes, which are atoms of the same element that have different numbers of neutrons. The following representation allows you to identify a specific isotope of an element [more…]

Common Measurement Conversions for Chemistry

In order to succeed in your Chem I class, you need to have a firm understanding of basic chemistry measurements and how to convert them from one measurement to another. Following are some important conversions [more…]

The Basic Chemistry of Acids and Bases

A lot of chemistry requires you to understand the difference between acids and bases. An acid is a substance that donates an H+ ion to another chemical species called a base. A [more…]

The Combined Gas Law and Ideal Gas Law

When studying the properties of gases, you need to know the relationships between the variables of volume (V), pressure (P), Kelvin temperature (T), and the amount in moles [more…]

Chemistry For Dummies Cheat Sheet

During the first year of high school chemistry or the first semester of college chemistry, all the terms, units of measurement, and atoms, molecules, elements, and compounds may seem a bit overwhelming [more…]

How to Calculate Kinetics Problems

The study of kinetics, the speed of chemical reactions, is essential to the study of chemistry and is a major topic in any Chemistry II class. Knowing the concepts of kinetics can help your understanding [more…]

How to Solve Homogeneous Equilibrium Problems

The equilibrium constant describes the relationship between the amounts of the reactants and the products at a certain temperature. You'll need to know the equilibrium constant as you study Chemistry II [more…]

Solving Acid-Base Equilibrium Problems

The acid and base equilibrium constant expressions describe the relationship between the amounts of reactants and products in aqueous acid-base systems. For the following general weak-acid equilibrium: [more…]

Calculating Solubility Equilibrium Problems

The solubility product equation is used to describe the equilibrium situation when a not-so-soluble salt is dissolving in water. For the general dissociation of a sparingly soluble salt: [more…]

Tackling Thermodynamics Problems

The Gibbs Free Energy is the best indicator about whether a reaction will be spontaneous or nonspontaneous. You'll need to know this as you study Chemistry II. It has the form: [more…]

Chemistry II For Dummies Cheat Sheet

Chemistry II is more than fires and smelly explosions. Chemistry II is more about solving calculations. In fact, Chemistry II has a lot more calculations and math than your Chemistry I class did. In your [more…]

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