#1 Free Solution Concentration Calculator 2025

Vapor Pressure Calculator Calculates vapor pressure at a different temperature using the Clausius-Clapeyron equation. Known Vapor Pressure (P₁): atm Pa (Pascal) kPa mmHg (torr) bar Temperature for P₁ (T₁): °C

Gas Laws Calculator Select Gas Law: Combined Gas Law Boyle's Law (P₁V₁ = P₂V₂) Charles's Law (V₁/T₁ = V₂/T₂) Gay-Lussac's Law (P₁/T₁ = P₂/T₂) Ideal Gas Law (PV = nRT)

Arrhenius Equation Calculator Calculate Rate Constant (k) Calculate Activation Energy (Ea) Calculate k₂ at T₂ Calculate Pre-exponential Factor (A) Calculate Temperature (T) Calculate Rate Constant (k) Pre-exponential Factor (A): Units

Chemical Reaction Predictor & Calculator Enter reactants to predict products and balance the equation for common inorganic reaction types. Enter Reactants (separated by '+'): Example: H2 + O2, Zn +