Chem Tutor
Chem Tutor: Graham's Law of Diffusion (Or Effusion)
A decent site with a good explanation of Graham's Law of diffusion. Includes the formula for this law and some sample problems at the bottom of the page.
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Chem tutor.com: Atomic Structure
This page provides a thorough and comprehensible discussion of the structure of the atom. Includes helpful diagrams and instructions for filling electron shells, reading the Periodic Table, and drawing Lewis Structures.
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Chem Tutor: Chemistry: States of Matter
This lesson focuses on the states of matter: solids, liquids, and gases. It also discusses the Kinetic Theory of Matter, Thermodynamics, Triple point, Phase Change Graphs and the Heating Curve of Water. It provideds adrawing of a heating...
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Chem Tutor: Chemistry: Lewis Structures of the Elements
This colorful page goes over the proper techniques for writing Lewis structures for elements. This is a great place to begin learning how to write Lewis structures. When you are ready for a more advanced lesson, follow the link to learn...
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Wyzant: Lessons: Chemistry: Other Types of Mixtures
A discussion of the "other" mixtures, colloids and suspensions. A good overview of these types of mixtures. It also provides a table of the properties of colloids.
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Chem Tutor: Chemistry: Scientific Notation
The learning resource investigates scientific notation. It provides a table with numbers written numerically, in words, and in scientific notation.
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Chem Tutor: Chemistry: The Octet Rule as Seen on the Periodic Chart
Describes the Octet Rule as it pertains to the Groups 1-7 on the Periodic Table of Elements. It also provides a Sideways Periodic Chart With Electron Shell Numbers.
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Chem Tutor: Chemistry: Writing Ionic Compound Formulas
A tutorial on writing formulas for ionic compounds.
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Chem Tutor: Single Replacement Reactions
Information and examples on single and double replacement reactions, also called single displacement, single substitution, or activity replacement and double displacement, or metathesis. Practice problems with answers are available.
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Chem Tutor: Bonds in General
A summary of bonding terms and the importance of electrons in bonding.
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Chem Tutor: Dissolving Gases Into Liquids
Description of the factors influencing gas solubility. This site also provides other chemistry related questions. Topics include dissolving solids into liquids, concentration, and stoichiometry.
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Chem Tutor: Radicals or Polyatomic Ions
This site includes a list of the names, formulas, and charges of some common polyatomic ions.
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Chem Tutor: Titration
A concise tutorial that explains titrations and provides some practice problems with answers.
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Chem Tutor: Chemistry: Reactions
This lesson focuses on chemical reactions including what they are and an explanation of each part of a chemical equation.
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Chem Tutor: Chemistry: Titration and P H Math Problems
This is a titration and ph math problem exercise; the answers are also provided.
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Chem Tutor: Basic Stiochiometry
Detailed discussion of stoichiometry, mols, and percents. Includes examples showing dimensional analysis (factor-lable method) and a link to the mole road map (a diagram which leads one through the stoichiometric problem-solving process).
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Chemtutor: Heating Curve Problems
Nice set of problems dealing with the concept of a heating curve. Students can click on the question and get immediate feedback on their answer.
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Chem Tutor: Binary Covalent Compounds
An explanation of bonding in binary covalent compounds. Rules for naming binary covalent compounds using common names and system names are also provided.
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Chem Tutor: Concentration
An overall summary of the major units of the concentration of a solution, including normality.
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Chem Tutor: Atomic Structure: Atomic Weights and Atomic Numbers
This lesson explains many basic concepts of atomic structure. It starts with atomic mass and number and then works up to more sophisticated information on electron configuration and how each element fits into the Periodic Table.
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Chemtutor: Weak Acids and Bases
For high school or college chemistry students. Discusses the use of dissociation constants to determine strength of an acid or base.
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Chemtutor: Overview of P H
The learning resource explores the Chemistry topic of pH. The activity consists of a table that shows the relationship between the hydrogen ion concentration and the hydroxide ion concentration. In addition there is a pH box and...
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Chemtutor: Walking Up the Phase Change Graph
Good exercise graphing a phase change graph from solid to liquid to graph. Includes temperatures and all energy changes for water through this process.
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Chem Tutor: Solutions
An in-depth look at solutions and their properties. Includes practice problems for calculating solution concentration.