Chemistry
Atoms, reactions, solutions, equilibrium, thermochemistry, and chemical reference tools.
Acids, Bases, and Equilibrium Learning Lab
Fourteen guided chemistry lessons that connect particles, reactions, equations, graphs, and worked reasoning for acids, bases, equilibrium, buffers, titrations, and solubility.
Open toolChemistry Reference Center
Searchable periodic table and practical references for elements, ions, ionic formulas, solubility rules, acids and bases, activity series, VSEPR shapes, constants, and equations.
Open toolGeneral Chemistry Workbench
Sixteen calculators and visual models for atoms, formulas, reactions, gases, solutions, acids and bases, equilibrium, energy, kinetics, electronic structure, geometry, and nuclear decay.
Open toolNASA Glenn Thermochemical Data Explorer
Standard heat capacity, enthalpy, entropy, and Gibbs energy for 49 species from NASA’s published polynomial fits, with reaction properties and equilibrium constants across temperature.
Open toolOrganic Chemistry Workbench
Twelve guided modules for functional groups, nomenclature, molecular formulas, stereochemistry, conformations, acidity, mechanisms, reactions, spectroscopy, aromaticity, polymers, and chromatography.
Open toolThermochemistry Workbench
Guided thermochemistry lessons for calorimetry, formation enthalpy, Hess’s law, bond energies, heating curves, entropy, Gibbs energy, catalysts, fuels, and temperature corrections.
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