- Zuur–base titratiecurve (met stappen) — pH vs volume | CalcBE
Plot titratiecurves voor sterke/zwakke zuren en basen, markeer buffergebieden en equivalentiepunten en bekijk de Henderson–Hasselbalch- of hydrolysestappen achter elk segment.
- Chemical Equation Balancer + Stoichiometry (with steps)
Balance chemical equations with nullspace Gauss-Jordan steps, compute limiting reagent, theoretical and percent yield, and combine redox half-reactions with shareable outputs.
- Significante cijfers & wetenschappelijke notatie (met stappen)
Tel significante cijfers, zet om naar wetenschappelijke notatie en pas afrondregels toe voor + − × ÷ (leerboek vs alleen eindafronding), met CSV-export en deelbare stappen.
- Buffer pH (Henderson–Hasselbalch) with steps — design, additions, capacity
Compute buffer pH with the Henderson–Hasselbalch equation, design mixtures for a target pH, and model strong acid/base additions with buffer capacity and step-by-step logs.
- Empirical & molecular formula calculator (with steps) — percent composition, combustion analysis, hydrates
Four-mode chemistry calculator extracts empirical and molecular formulas from percent composition, combustion analysis, and hydrate data, with detailed How it's calculated logs, CSV export, and shareable URLs.
- Partial pressure & gas mixing (with steps) — Dalton's law, two-tank mixing, wet gas, van der Waals
Run Dalton’s law, two-tank isothermal mixing, and wet gas corrections with step-by-step logs. Compare van der Waals pressure, export CSV results, and share every setup by URL.