Showing 21–40 of 1,000 ranked alternatives.
Monte L Helm
Calculate pH, pOH, [H⁺], and [OH⁻]
Calculate pH, pOH, [H⁺], or [OH⁻] from any one value. Input concentration or ion activity to solve for missing variables. Automatically handles strong and weak acids/bases using provided Ka or Kb values.
Nikita Chernykh
Learn concepts clearly and effectively
Learn concepts through clear explanations, visual aids, and interactive content. Explore tables, chemical reactions, and molecular structures. Test knowledge with quizzes and practice problems. Access detailed facts and diagrams without ads.
New England Biolabs Inc
Plan experiments from anywhere on iPhone.
The app provides access to New England Biolabs' web tools for experiment planning. Users can find enzymes, determine reaction conditions, calculate temperatures, and perform various calculations for molecular biology experiments.
Wight Hat Ltd
Convert units, save time, stay accurate
Convert units between 30,000+ conversions. Switch between 160+ currencies including cryptocurrencies with live rates. Save favorite conversions for quick access. Display results in fractions when applicable.
Infinite Prospects, LLC
Convert measurements with a
Convert measurements with a interface for volume, mass, and temperature. Adjust portions, toggle between US, metric, Australian, and imperial units. Input numbers directly for precise conversions.
Lu A Oo
Convert units instantly and accurately
Convert units across multiple categories on a single screen. Perform calculations with a built-in numeric keyboard. Add custom units and categories. Navigate quickly with minimal scrolling. Supports both basic and complex conversions.
Sparrow Development LLC
Study elements and track chemical properties
Learn with a dynamic periodic table, element details, and polyatomic ions. Explore acid strengths, electronegativity, and reactive series. Access definitions, molar mass calculations, and a unit converter. Quick access to YouTube channels.
Mingxuan Fan
Design compressors, track performance, edit schematics, maintain
Allows users to calculate compressor processes, including overall and stage compression ratios. It includes 19 calculators and data charts for design, operation, fabrication, and maintenance of diaphragm compressors.
Denis Chashchin
Explore elements with 3D models and reaction
Explore chemical elements with an interactive table featuring 3D models and offline access. Calculate molar mass and solve reactions. Instantly access explanations and customize the table for personalized learning.
Vector 254 LLC
Convert units, calculate formulas, track reactions
Calculate reactions with built-in equations and thermodynamic data. Convert units for pressure, temperature, and concentration. Solve material and energy balance problems. Access property tables for gases and liquids.
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