Internet Resources
% YieldSite gives percent yield of a product if quantities of reactant and product are known.
3-D MoleculesSite displays stick structures that can be moved and rotated of about 50 common molecules.
A Tutorial on Balancing EquationsSite contains a tutorial for balancing equations and provides a creative "Monkey Business" exercise as a practice problem.
A Visual Interpretation of the Table of ElementsPage provides graphic periodic table that gives information on each element such as discovery, abundance, and chemical information.
Alphabetical Listing of MoleculesLink provides an alphabetical listing of molecules that can be viewed for structure characteristics.
Analytical Chemistry ForumAnalytical Chemistry Forum for chemists and students alike
Atomic and Molecular Orbital AppletSite contains an applet that displays selected atomic and molecular orbitals, calculated from the wave function.
Atomic OrbitalsSite gives a brief discription of atomic orbitals and contains an Orbital Viewer for drawing orbitals.
Atomic SpectraSite provides emission and absorption spectra of elements.
Behavior of GasesSite displays the gas laws through the motion of particles with selective parameters such as probability of effective collision, temperature, and number of particles.
Black Body RadiationSite provides explanation of black body radiation.
Bohr ModelSite provides particle and wave visualization of the Bohr Model of hydrogen.
Boltzman Kinetic Energy Distribution Bonds and PolarityThis site provides a graphic representation of ionic and convalent bonds and explains the differences between them.
Buffers for pH ControlProvides recipes for making buffers of desired pH provided ionic strength and temperature of reagents is given.
Calculator FundamentalsThis is an excellent resource to use as an introduction or review of the fundamentals of chemistry and could serve as supplemental course material.
Chem Finder Chem IndexSite provides an index for chemistry links from all over the world and lists sites by discipline, organization, etc.
Chem WebSite provides links to journals, free abstracts, jobs and internships, and chemistry tools including NMR prediction and IUPAC naming. Free registration.
Chemical CalculationsSite provides molecular weight, mass percent composition, and molecular isotope patterns for given molecules.
Chemical Reaction StoichiometrySite provides tutorial and Java applications for solving stoichiometry problems using the matrix reduction method. Requires Adobe Acrobat.
Chemicool Periodic TableTable provides each element's physical properties and ionization energies.
ChemID PlusDatabase of over 380,000 chemicals, synonyms, structures, regulatory list information, and links to other databases
Chemistry GuideChemistry Guide - comprehensive listing of quality chemistry sites on the Internet.
Chemistry LinkWWW Chemistry Guide - comprehensive and evaluated guide to web sites related to chemistry and the chemical industry. Its mission consists in collecting and independently annotating all useful chemistry sites.
Constants Conversion Factors for Energy EquivalentsSite provides conversion equations and correlation coefficents for pairs of constants.
Counting ElectronsSite provides explanations of predicted molecular geometry using VSPRE Theory. Site has links to a tutorial and practice exercises.
Data on ElementsSite provides useful, but limited data on the elements of the periodic table.
DTP / 2D and 3D Structural InformationThe NCI has collected information on almost half a million structures in the past forty years. The collections of structural information are freely available.
EAFUS: A Food Additive DatabaseContains administrative, chemical and toxicological information on over 2000 substances directly added to food.
ECOTOX DatabaseECOTOX (ECOTOXicology) database provides single chemical toxicity information for aquatic and terrestrial life.
Electron ConfigurationsSite provides limited data on the elements, but also provides well-done electronic configurations of the elements.
Electrons in Atoms: F OrbitalsSite provides excellent pictures of f-oritals and provides a good explanation of orbital structure. Site also provides links to other useful atomic orbital sources.
Emission SpectraSite provides emission spectra of H, He, and Hg.
Formal ChargeSite shows how to calculate formal charge and how to determine the most likely Lewis structure of a molecule based on it's formal charge.
Formula Weight and Mass %Site contains calculators for isotope patterns, elemental percentages, and % yield.
Gas LawsSite gives great visual and verbal descriptions explaining the gas laws.
Gibbs Free EnergySite gives final molar quantities and Gibbs free energy for a selected reaction type given initial number of moles of reactants and products.
Gibbs Free Energy Graphing AppletPage allows examination of Gibbs free energy equation from a qualitative and quantitative perspective.
Hazards AssessmentLinks provides a site for a NASA test facility which performs impacat studies on explosions of liquid hydrogen and oxygen.
HybridizationSite provides a great interactive explanation of atomic orbital hybridization.
Hydrogenlike OrbitalsSite provides animated orbitals that are the angular part of the wave functions for discrete stationary states of a one-electron atom.
Instructional Resources for ChemistrySite provides links to chemistry education sites.
Interactive Periodic Table of ElementsThe periodic table in this site gives electron location, isotopes, history, and physical properties of each element. The page is also equipped with related links.
Intermolecular ForcesSite provides a great graphic representation of London dispersion forces, dipole-dipole forces, and hydrogen bonding.
Introductory and General ChemistryIntroductory and General Chemistry Links by Topic
Isotope PatternsSite displays a bar graph of formula weights resulting from isotopes in formula.
Java Application Lechatelier's PrincipalSite gives instructions and explanations as students observe changes in the position of the chromate/dichromate equilibrium. It also provides photos of the results so that the activity can be done outside the laboratory.
Lewis Structure TutorialSite provides a step-by-step tutorial for drawing Lewis structures.
Light and MatterSite provides explanations and visual representations of Steffan-Boltzman Law, the Bohr model, quantized energy, Planck's law, continuum, emission, and absorption spectra, and Zeeman spectral splitting.
Light Emission and AbsorptionSite contains applets related to light emission and absorption, thermochemistry and microscopic behavior of molecules, conversion calculator, and image sample.
Limiting ReagentsSite provides a good visual representation of limiting reagents using the example of ammonia and carbon dioxide.
Metal/Ligand/Atom/AnionsSite gives metal, ligand, atom, and anion designations for compounds.
Mole ConversionSite provides an explanation oif mole to gram conversion. Also offers extra practice problems.
Molecular Structure CalculationsProvides calculations for bond lengths, atomic charges and dipole moments. Also illustrates the best Lewis structure possible in 3-D. There is a calculator at the end used to create your own molecule that is not listed on the page.
Molecules in MotionSite displays the gas laws through the motion of particles with selective parameters such as probability of effective collision, temperature, and the number of particles.
National Mole DayNational Mole Day Foundation, Inc. site
Net ElementsSite provides physical, geological, biological, and discovery data for each element of the periodic table.
NIST Chemistry HandbookSite provides a searchable database of general chemistry information including formula, name, CAS registry number, author, and structure. It also provides physical properties of materials. (This might be particulary helpful to organic chemistry students.)
NIST Scientific and Technical DatabasesAccess page to a variety of scientific and technical databases
Organic Chemistry Tutorials Oxidation States of IonsSite provides oxidation states of components of complex ions
Periodic TablePeriodic table displays discoverer, atom weights, electron shells, and valence patterns of each element.
Periodic Table of ElementsPeriodic tabel provides physical data on each element.
Periodic Table of Elements and DataSite provides a useful periodic table. Also by clicking on an element, informations about the element will appear. This includes atomic mass, melting point, boiling point and even a history of the element.
Periodic Table.comSite provides a number of periodic tables.
pH meter and pH measurementsAll you want to know about pH meters, pH measurements and pH electrodes. Introduction to history, theory and good practice, reliable measurements and electrode maintenance. Links to models and manufacturers.
Photoelectric EffectSite provides an interactive simulation of the photoelectric effect and also a variety of cathode metals and incipient light to find threshold frequency and Planck's constant.
Preparation for Topics in College ChemistrySite provides a good review of general chemistry topics and also gives mini lectures to help understand difficult topics. Use this as a review to help prepare for a chemistry test.
Reaction Rates and EquilibriumSite provides a good tutorial with simple explanations of reaction equilibriums and reaction rates.
Resonance StructuresSite provides a good, but brief explanation of the resonance structures of the carbonate ion.
Scuba Physics: Buoyancy and Gas LawsThis site provides definitions and simple explanations of Charles' Law, Boyle's Law, and Archimedes Principle.
SI Naming TutorialSite gives rules, definitions, and the history of the units in the SI naming system.
Significant Digits Special Processes of an Ideal GasSite provides a great visual representation of the gas laws. Students can manipulate the pressure, volume, and temperature of an ideal gas and the resulting relationship is plotted on a chart within the site.
Stoichiometry EquilibriumSite gives molar and mass quantities of reactants and products of iodine, hydrogen, and hydrogen iodide at various points of the reaction.
The IrYdium ProjectSite provides a variety of applets and concept tests which contain conceptual questions dealing with equilibrium, thermodynamics, and kinetics.
The Oxygen Bomb CalorimeterSite provides an animation of a bomb calorimeter.
The Pictorial Periodic TableSite provides a spiral periodic table.
TitrationSite provides a titration simulator with different concentrations of acids and bases.
Tutorial-Molecular MassSite provides a thorough tutorial on concepts and history of atomic, molecular, and molar masses; includes a quiz.
Unit Comversion - Online CalculatorOnline conversions between different metrics of length, weight, temperature, pressure, energy, frequency and more.
Unit Conversion CalculatorSite provides extensive unit conversions for a number of units including length, mass, angular velocity, and time.
Valence Shell Electron Pair Repulsion TheorySite provides explanations of predicted molecular geometry using VSEPR Theory. (Includes practice exercises.)
Virtual Laboratory: Ideal GasLink provides a virtual laboratory which shows effects of variables like temperature, pressure, and volume on gases.
Visual Elements Periodic TableSite provides a periodic table that gives information on the discovery, description, and chemical data of each element.
Visual Elements Periodic TableFlash enabled Chemical Society periodic table of elements.
VSEPR Help PageSite provides the rules of VSEPR Theory and a tutorial for using VSEPR Theory. It also provides practice problems.
VSEPR TutorialSite provides useful, but limited tutorial on VSPRE Theory. Tutorial, glossary, and practice problems are also available.
VSEPR Tutorial IISite provides an extensive tutorial with nicely represented 3-D shapes
VSEPR Tutorial: Molecular ModelingSite provides visual models of VSEPR Theory that may be very helpful to students introduced to the topic for this first time.
Web Elements Interactive Periodic TableSite provides pages about isotope patterns, element percentages, yield, oxidation states, electron states, electron counts, VSPRE, and MLXZ for comounds.