Gases, quantum mechanics, and properties.
Calculate the relative rate of effusion of two gases using Graham's Law based on their molar masses. Easily compare effusion rates online.
Calculate radioactive decay and half-life using the formula N = N0 * e^(-kt). Find the remaining amount, initial amount, decay constant, or time.
Calculates the diffusion coefficient of spherical particles using the Stokes-Einstein equation. Quickly estimate particle diffusion rates.
Calculate osmotic pressure (π) using the formula π = iMRT. Enter your values to quickly determine the osmotic pressure of a solution.
Calculate surface coverage (θ) using the Langmuir isotherm. Input the equilibrium constant (K) and pressure (P) to find the fractional coverage.
Calculate half-life, initial quantity, or remaining quantity for first-order reactions. A simple tool for chemistry and physics calculations.
Calculate the two-photon absorption rate using a simplified proportional model. Quickly estimate absorption based on input parameters.
Calculate the pressure difference across a curved interface (bubble/droplet) using the Young-Laplace equation. Analyze surface tension and curvature.
Calculate the partial pressure of a gas in a mixture using Dalton's Law (Pi = Xi * Ptotal). Easily determine partial pressures from mole fraction and total pressure.