Chemistry Tools
Interactive tools for exploring chemistry concepts.
Molar Mass Calculator
Calculate molar mass and elemental composition of any chemical formula.
Electron Configuration Builder
Watch electrons fill orbitals following Aufbau, Hund's rule, and Pauli exclusion.
Nuclear Decay Simulator
Monte Carlo simulation of radioactive decay. Watch atoms decay in real-time.
Solubility Table
Interactive solubility table for common ionic compounds in water.
Reaction Explorer
Browse common chemical reactions with balanced equations, organized by type.
Equation Balancer
Balance chemical equations with step-by-step solutions using Gaussian elimination.
Standard Reduction Potentials
E° reference table and cell potential calculator for electrochemistry.
Thermodynamic Data
Formation enthalpies, entropies, and Gibbs energies with a reaction calculator.
Acid-Base / pH Tools
pKa/pKb table, buffer calculator (Henderson-Hasselbalch), and titration simulator.
Spectroscopy Reference
IR correlation table, NMR chemical shifts, and mass spec fragmentation patterns.
3D Orbital Viewer
Interactive visualization of atomic orbital shapes from hydrogen wavefunctions.
Unit Converter
Convert between temperature, energy, pressure, length, concentration, mass, and volume units.
Stoichiometry Calculator
Calculate mole ratios, masses, and volumes from balanced equations with limiting reagent analysis.
Lewis Structure Builder
Draw Lewis dot structures for molecules and ions with bonding pairs, lone pairs, and formal charges.
VSEPR Molecular Geometry
Predict molecular shapes, bond angles, polarity, and hybridization using VSEPR theory.
Gas Laws Calculator
Ideal gas law, combined gas law, and Van der Waals equation with unit toggles.
Solution & Dilution Calculator
Dilution calculator (C₁V₁ = C₂V₂), molarity calculator, and solution prep guide.
Chemical Kinetics
Rate laws, integrated rate equations, half-life calculations, and Arrhenius equation.
Equilibrium Calculator
K expression builder, ICE table solver, and ΔG° ↔ K converter.
Oxidation State Analyzer
Determine oxidation states of every element in a compound with step-by-step reasoning.
Nomenclature Reference
IUPAC naming rules for inorganic compounds, common ion reference, and naming practice.