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: Science
: Chemistry
: Software
: Calculation (18)

Open Directory - Science: Chemistry: Software: Calculation

Equation Balancing (4)
Molecular Mass (4)

ChemBuddy - Calculators for pH, solution preparation and concentration conversion, acid-base equilibrium, buffer, hydrolysis, and dilution calculations.
Chemistry Functions - Molar conversions and an interactive periodic table directly on the webpage. Requires JavaScript.
Elem - Free program for the interpretation of elemental analysis results. For Windows and Unix; source code available.
JFormula - Information System intended to support multi-stepped technological processes that can be defined on a table of mixes and ingredients and do not involve chemical reactions. The system includes an algorithm to calculate material requirements.
Laborant Chemstation - English version of German freeware data analysis program, for various calculations including stoichiometry, pH, thermochemistry, and kinetics.
MS Tools - Online exact mass calculator, mass spectrum generator, and isotope distribution calculator.
Norgwyn Montgomery Software - NGMSI sells software for 3-D molecular modeling, chemical database creation and manipulation, 2-D publication quality drawing, calculation of over 100 physical properties from structure, automatic chemical internet database generation, and QSAR and QSPR analysis as well as chemical databases.
Physicochemical Calculators - Simple online and offline calculators for boiling point at reduced pressure, unit conversion, and molecular mass.
Reagent Calculator - Windows software for the calculation of molecular weight, molecular formulas, mass percentages, mass spectroscopy fragments and adducts, and elemental analysis component; also includes a reagent library.
Visual MINTEQ - A free equilibrium speciation model, which calculates chemical equilibria in aqueous systems at low ionic strength.

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Last update: Monday, November 2, 2009 5:28:01 PM EST - edit

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