29 tools
Chemistry
Concentrations, dilutions, gas laws, pH and buffers, reaction yields and rates, each one stating the law it comes from.
Tools in this category
- ChemistrySolution Dilution Calculator (C₁V₁ = C₂V₂)Volume of stock solution needed to make a given volume at a lower concentration.
- ChemistryMolar Mass CalculatorType a chemical formula and get its molar mass, with a breakdown of what it is made of.
- ChemistryPercent Yield CalculatorReaction yield as a percentage of the theoretical maximum, with the loss and the moles involved.
- ChemistryTitration CalculatorUnknown concentration from a titration, plus the moles and the mass of analyte in the sample.
- ChemistryPPM Concentration CalculatorParts per million converted to mg/L, percent, ppb, total mass and molarity.
- ChemistryLimiting Reagent CalculatorWhich of two reagents runs out first, how much of the other is left over, and how far the reaction goes.
- ChemistryMass Percent Concentration CalculatorPercent by mass of a solution, converted to grams per litre, molarity and parts per million.
- ChemistryHenderson-Hasselbalch Buffer CalculatorpH of a buffer from its pKa and the ratio of conjugate base to weak acid.
- ChemistryCombined Gas Law CalculatorNew volume of a fixed amount of gas after a change of pressure and temperature, with the ratio and the moles present.
- ChemistryFreezing Point Depression CalculatorHow far a dissolved substance lowers the freezing point of a solvent.
- ChemistryMolality CalculatorMoles of solute per kilogram of solvent, with the mole fraction and mass percent.
- ChemistryBeer-Lambert Law CalculatorAbsorbance from concentration and path length, the transmittance it corresponds to, and the concentration giving A = 1.
- ChemistryMolarity CalculatorMolar concentration of a solution from the mass of solute, its molar mass and the volume.
- ChemistryOsmotic Pressure CalculatorOsmotic pressure of a solution in kilopascals, atmospheres and bar, with its osmolarity.
- ChemistryBoiling Point Elevation CalculatorHow far a dissolved substance raises the boiling point of a solvent.
- ChemistryFirst-Order Kinetics CalculatorConcentration remaining after a given time, the half-life and the time to reach 90 % conversion.
- ChemistrypH CalculatorpH and pOH from the hydrogen ion concentration of a solution.
- ChemistryArrhenius Equation CalculatorRate constant at two temperatures, how much faster the reaction gets, and the ten-degree factor.
- ChemistryFaraday Electrolysis CalculatorMass deposited or dissolved by a current over time, with the charge passed and the moles involved.
- ChemistryNernst Equation CalculatorCell potential away from standard conditions, the slope per decade, the Gibbs energy and the equilibrium constant.
- ChemistryAtom Economy CalculatorAtom economy of a reaction, the fraction lost to by-products, the reaction mass efficiency and the E factor.
- ChemistryGibbs Free Energy CalculatorGibbs free energy change, equilibrium constant and crossover temperature from enthalpy and entropy changes.
- ChemistrySerial Dilution CalculatorFinal concentration after a series of equal dilution steps, with the dilution factor and log reduction.
- ChemistryRydberg Equation CalculatorWavelength, frequency and photon energy of a hydrogen emission line from the two energy levels involved.
- ChemistryMole and Particle ConverterConvert moles, millimoles, micromoles and numbers of atoms or molecules.
- ChemistryVan der Waals Equation CalculatorPressure of a real gas from the Van der Waals equation, compared with the ideal gas value.
- ChemistryBragg's Law CalculatorDiffraction angle from lattice spacing, wavelength and order, plus the 2-theta value read off a diffractometer.
- ChemistryAntoine Equation Vapour Pressure CalculatorVapour pressure of a liquid at a given temperature from its Antoine constants, in mmHg, kPa and bar.
- ChemistryAtomic Energy Unit ConverterConvert hartree, electronvolt, rydberg, kJ/mol, kcal/mol and wavenumbers.